California Department of Water Resources
Division of Flood Management

Snow Course Measurements for April 2003

April measurements received as of Tuesday, April 15, 06:01 PM

Snow depth and water content are in inches. April 1 averages are based on measurements made during years 1951-2000. Courses are grouped by river basins, listed in north-south and high-low elevation order. Contact Dave Hart for more information.


Num         Name                 Elev.  Date     Depth  Water   Density  April 1 Average
                                                       Content
                              Shasta River Basin
  1 Parks Creek               6,700	27-MAR	103.8	 47.6	46%	 37.4	127%	
  2 Little Shasta             6,200	01-APR	 30.4	 12.0	39%	 19.0	 63%	
  3 Sweetwater                5,850	31-MAR	 23.3	 11.0	47%	 13.7	 80%	
                                                Basin Average Pct. of April 1:  90%
                              Scott River Basin
  5 Middle Boulder 1          6,600	27-MAR	 81.6	 50.6	62%	 32.4	156%	
417 Box Camp                  6,450	28-MAR	 91.8	 41.4	45%	 35.9	115%	
311 Middle Boulder 3          6,200	27-MAR	 70.1	 30.8	44%	 28.3	109%	
  4 Etna Mountain             5,900	31-MAR	 38.0	 17.0	45%	 29.1	 58%	
298 Dynamite Meadow           5,700	27-MAR	 32.2	 12.8	40%	 18.6	 69%	
285 Swampy John               5,500	31-MAR	 44.0	 19.0	43%	 34.0	 56%	
                                                Basin Average Pct. of April 1:  94%
                              Trinity River Basin
  9 Deadfall Lakes            7,200	27-MAR	 85.4	 40.6	48%	 34.2	119%	
 10 Red Rock Mountain         6,700	30-MAR	 96.3	 48.5	50%	 44.1	110%	
 11 Bear Basin                6,500	30-MAR	 79.2	 39.5	50%	 39.1	101%	
 12 Shimmy Lake               6,400	30-MAR	115.7	 61.0	53%	 50.3	121%	
 13 Wolford Cabin             6,150	31-MAR	 86.1	 40.7	47%	 36.0	113%	
 16 Highland Lakes            6,030	30-MAR	 59.3	 32.4	55%	 35.2	 92%	
437 Paradise Peak             5,800	02-APR	 37.0	 19.0	51%			
 15 Mumbo Basin               5,650	30-MAR	 46.5	 22.5	48%	 24.1	 93%	
 14 Whalan                    5,400	30-MAR	 29.7	 15.0	51%	 21.5	 70%	
 17 Big Flat (Course)         5,100	30-MAR	 10.1	  5.1	50%	 13.1	 39%	
                                                Basin Average Pct. of April 1:  95%
                              Eel River Basin
 63 Plaskett Meadows          6,000	01-APR	 10.7	  5.2	49%	 17.3	 30%	
                                                Basin Average Pct. of April 1:  30%
                              Sacramento River Basin
 18 Mount Shasta              7,900	28-MAR	150.7	 74.1	49%	 53.6	138%	
 20 North Fork Sacramento     6,900	27-MAR	 62.2	 30.7	49%	 25.4	121%	
 19 Sand Flat (Course)        6,800	28-MAR	115.9	 63.1	54%	 43.6	145%	
 21 Gray Rock Lakes           6,200	27-MAR	103.6	 54.2	52%	 48.4	112%	
 22 Slate Creek               5,700	30-MAR	 28.5	 15.7	55%	 30.1	 52%	
                                                Basin Average Pct. of April 1: 114%
                              Mc Cloud River Basin
 23 Brewer Creek              6,250	25-MAR	 82.6	 40.3	49%	 36.2	111%	
 25 Stouts Meadow             5,400	28-MAR	 33.5	 16.6	50%	 37.8	 44%	
 26 Ash Creek                 5,000	25-MAR	 26.7	 12.9	48%	 19.7	 65%	
 27 Dead Horse Canyon         4,500	25-MAR	  8.4	  3.3	39%	 11.6	 28%	
                                                Basin Average Pct. of April 1:  62%
                              Pit River Basin
 30 Cedar Pass                7,100	24-MAR	 24.9	  9.0	36%	 16.7	 54%	
 28 Blue Lake Ranch           6,800	24-MAR	 14.1	  5.7	40%	 10.4	 55%	
 31 Blacks Mountain           6,700	27-MAR	 12.0	  4.3	36%	  8.4	 51%	
 32 Medicine Lake             6,700	01-APR	 74.7	 32.9	44%	 32.9	100%	
 33 Thousand Lakes            6,500	27-MAR	 73.0	 35.0	48%	 34.6	101%	
 35 Adin Mountain             6,200	27-MAR	 13.8	  5.0	36%	 12.5	 40%	
 34 Snow Mountain             6,050	31-MAR	 47.0	 25.0	53%	 32.8	 76%	
343 New Manzanita Lake        5,900	30-MAR	 18.7	  4.0	21%	  8.0	 50%	
 37 Mcelroy Pass              5,300	27-MAR	  0.0	  0.0				
 41 Burney Springs            4,700	27-MAR	  0.0	  0.0				
                                                Basin Average Pct. of April 1:  66%
                              Cottonwood Cr Basin
436 Bully Choop               6,100	02-APR	 14.0	  8.0	57%			
                              Stony Cr Basin
 62 Anthony Peak              6,200	31-MAR	 38.0	 18.6	49%	 30.1	 62%	
                                                Basin Average Pct. of April 1:  62%
                              Feather River Basin
 47 Lower Lassen Peak         8,250	24-MAR	185.7	 84.6	46%	 80.2	105%	
361 Kettle Rock               7,300	27-MAR	 27.6	 12.9	47%	 23.4	 55%	
 48 Mount Dyer 1              7,100	24-MAR	 56.0	 22.3	40%	 25.9	 86%	
359 Grizzly Ridge             6,900	25-MAR	 44.4	 22.1	50%	 30.4	 73%	
388 Pilot Peak (DWR)          6,800	25-MAR	 64.5	 33.0	51%	 45.5	 73%	
279 Eureka Bowl               6,800	28-MAR	 56.3	 24.9	44%	 42.7	 58%	
 75 Church Meadows            6,700	25-MAR	 35.6	 16.4	46%	 30.7	 53%	
360 Mount Hough               6,700	25-MAR	 47.2	 19.9	42%	 30.7	 65%	
280 Rowland Creek             6,700	24-MAR	 31.7	 13.2	42%	 17.4	 76%	
 53 Three Lakes               6,250	25-MAR	 60.3	 29.8	49%	 40.8	 73%	
 51 Harkness Flat             6,200	24-MAR	 48.9	 22.3	46%	 28.5	 78%	
 52 Eureka Lake               6,200	28-MAR	 37.4	 16.4	44%	 31.7	 52%	
290 Mount Dyer 2              6,050	24-MAR	 23.1	 10.4	45%	 16.6	 63%	
 54 Mill Creek Flat           5,900	25-MAR	 58.2	 26.9	46%	 39.0	 69%	
387 Fredonyer Pass 3          5,850	28-MAR	  0.0	  0.0				
353 Frenchman Cove            5,800	24-MAR	  0.0	  0.0				
355 Abbey                     5,650	26-MAR	  6.2	  3.1	50%	  9.0	 34%	
354 Antelope Ridge            5,650	27-MAR	  0.0	  0.0				
 55 Mount Stover              5,600	24-MAR	 14.2	  6.1	43%	 14.7	 41%	
 49 Letterbox                 5,600	25-MAR	 64.2	 32.8	51%	 49.0	 67%	
 56 Browns Camp               5,400	25-MAR	 18.3	  9.0	49%	 23.3	 39%	
 58 Feather River Meadow      5,400	24-MAR	 41.1	 18.3	45%	 23.1	 79%	
 59 Warner Creek              5,100	24-MAR	 18.4	  8.4	46%	 14.7	 57%	
434 Humbug Summit 2           4,850	24-MAR	  9.8	  4.4	45%	 14.3	 31%	
 61 Chester Flat              4,600	28-MAR	  0.0	  0.0		  6.1	  0%	
                                                Basin Average Pct. of April 1:  60%
                              Yuba River Basin
 64 Webber Peak               7,800	28-MAR	 79.0	 34.5	44%	 41.9	 82%	
 65 Castle Creek 5            7,400	25-MAR	 85.8	 38.6	45%	 52.1	 74%	
 67 Red Mountain              7,200	27-MAR	 77.5	 38.6	50%	 51.9	 74%	
 66 Meadow Lake               7,200	25-MAR	 95.5	 43.7	46%	 55.8	 78%	
 68 English Mountain          7,100	31-MAR	 68.0	 34.7	51%	 45.4	 76%	
 69 Donner Summit             6,900	27-MAR	 43.7	 22.0	50%	 38.6	 57%	
 74 Yuba Pass                 6,700	31-MAR	 37.1	 19.4	52%	 29.6	 66%	
 76 Furnace Flat              6,700	27-MAR	 69.8	 35.1	50%	 48.4	 73%	
 77 Lake Fordyce              6,500	27-MAR	 45.6	 23.8	52%	 40.9	 58%	
 78 Findley Peak              6,500	31-MAR	 35.4	 17.7	50%	 29.8	 59%	
389 Robinson Cow Camp         6,480	25-MAR	 64.3	 32.2	50%	 42.5	 76%	
390 Sunnyside Meadow          6,300	25-MAR	 93.2	 48.0	52%	 55.4	 87%	
 80 Cisco                     5,900	27-MAR	 28.1	 13.8	49%	 27.6	 50%	
372 Chapman Creek             5,850	31-MAR	 27.2	 13.8	51%	 23.7	 58%	
 83 Bowman Lake               5,650	31-MAR	 19.9	  9.8	49%	 22.3	 44%	
391 Lexington                 5,600	01-APR	 24.9	 13.8	55%	 30.7	 45%	
277 Gibsonville               5,400	01-APR	  3.0	  1.6	53%	 28.7	  6%	
 85 Lake Spaulding            5,200	27-MAR	 15.0	  7.6	51%	 21.3	 36%	
429 Chalk Bluff               4,850	26-MAR	  0.0	  0.0				
                                                Basin Average Pct. of April 1:  61%
                              American River Basin
106 Upper Carson Pass         8,500	31-MAR	 55.0	 25.3	46%	 36.2	 70%	
331 Lower Carson Pass         8,400	31-MAR	 62.1	 29.0	47%	 39.2	 74%	
107 Caples Lake (DWR)         8,000	31-MAR	 39.1	 17.9	46%	 30.8	 58%	
365 Alpha                     7,600	26-MAR	 44.7	 21.8	49%	 33.8	 64%	
338 Lost Corner Mountain      7,500	27-MAR	 47.2	 22.2	47%	 36.2	 61%	
108 Echo Summit               7,450	27-MAR	 38.6	 17.4	45%	 33.8	 51%	
110 Lake Audrain              7,300	27-MAR	 50.7	 22.8	45%	 35.3	 65%	
111 Darrington                7,100		Scheduled for measurement by CA Dept of Water Resources/Snow Surveys
109 Silver Lake               7,100	28-MAR	 19.1	  7.4	39%	 21.0	 35%	
316 Wrights Lake              6,900	27-MAR	 45.8	 22.7	50%	 32.8	 69%	
113 PHillips                  6,800	27-MAR	 23.9	 12.9	54%	 27.6	 47%	
320 Lyons Creek               6,700	26-MAR	 55.2	 27.3	49%	 31.8	 86%	
115 Huysink                   6,600	31-MAR	 52.3	 26.0	50%	 45.0	 58%	
289 Tamarack Flat             6,550	26-MAR	 37.4	 17.2	46%	 28.4	 61%	
114 Wabena Meadows            6,300	24-MAR	 58.8	 28.6	49%	 42.8	 67%	
369 Miranda Cabin             6,200	24-MAR	 50.5	 26.6	53%	 40.0	 66%	
120 Onion Creek               6,100	25-MAR	 20.5	 10.3	50%	 19.6	 53%	
371 Diamond Crossing          6,050	24-MAR	 13.6	  6.8	50%	 22.0	 31%	
122 Talbot Camp               5,750	24-MAR	 17.6	  8.6	49%	 20.9	 41%	
322 Robbs Valley              5,600	31-MAR	  0.4	  0.1	25%	 15.6	  1%	
127 Ice House                 5,300	31-MAR	  0.0	  0.0		  5.8	  0%	
                                                Basin Average Pct. of April 1:  53%
                              Mokelumne River Basin
323 Highland Meadow           8,700	25-MAR	 89.0	 39.5	44%	 48.7	 81%	
364 Tragedy Creek             8,150	28-MAR	 66.7	 31.3	47%	 45.0	 70%	
129 Blue Lakes                8,000	25-MAR	 63.0	 27.7	44%	 36.2	 77%	
131 Wheeler Lake              7,800	25-MAR	100.1	 45.0	45%	 53.3	 84%	
132 Pacific Valley            7,500	25-MAR	 58.1	 27.5	47%	 38.9	 71%	
133 Corral Flat               7,200	28-MAR	 54.9	 27.0	49%	 40.5	 67%	
363 Podesta                   7,200	28-MAR	 57.8	 27.4	47%	 44.8	 61%	
134 Bear Valley Ridge 1       6,700	25-MAR	 34.4	 17.0	49%	 24.6	 69%	
435 Lumberyard 2              6,500	28-MAR	  1.5	  0.8	53%	 13.8	  6%	
136 Hams Station              5,500	28-MAR	  0.0	  0.0		  5.3	  0%	*
137 Antelope Springs          4,350	28-MAR	  0.0	  0.0				
                                                Basin Average Pct. of April 1:  65%
                              Stanislaus River Basin
345 Deadman Creek             9,250	25-MAR	 64.1	 27.3	43%	 35.1	 78%	
344 Clark Fork Meadow         8,900	25-MAR	 79.8	 33.0	41%	 39.8	 83%	
427 Gianelli Meadow           8,400	28-MAR	 83.0	 37.7	45%	 52.9	 71%	
138 Lower Relief Valley       8,100	25-MAR	 67.1	 30.9	46%	 39.6	 78%	
139 Soda Creek Flat           7,800	25-MAR	 31.5	 15.3	49%	 22.0	 70%	
384 Stanislaus Meadow         7,750	25-MAR	 74.6	 35.8	48%	 51.0	 70%	
140 Eagle Meadow              7,500	25-MAR	 34.2	 17.2	50%	 24.2	 71%	
142 Herring Creek             7,300	25-MAR	 37.3	 18.0	48%	 28.0	 64%	
143 Relief Dam                7,250	25-MAR	 32.2	 14.5	45%	 19.9	 73%	
416 Bloods Creek              7,200	25-MAR	 49.5	 22.7	46%	 34.6	 66%	
432 Sapps Hollow              6,950	28-MAR	 41.4	 19.4	47%	 33.0	 59%	
430 Corral Meadow             6,650	28-MAR	 20.7	 10.8	52%	 19.7	 55%	
373 Hells Kitchen             6,550	25-MAR	 22.9	 10.9	48%	 21.8	 50%	
386 Black Springs             6,500	25-MAR	 26.7	 12.3	46%	 22.0	 56%	
145 Niagara Flat              6,500	25-MAR	 22.9	 11.9	52%	 19.6	 61%	
                                                Basin Average Pct. of April 1:  67%
                              Tuolumne River Basin
157 Dana Meadows              9,800	30-MAR	 61.3	 24.3	40%	 31.1	 78%	
158 Rafferty Meadows          9,400	29-MAR	 71.6	 30.0	42%	 32.8	 91%	
159 Bond Pass                 9,300	25-MAR	 87.4	 35.4	41%	 44.9	 79%	
368 New Grace Meadow          8,900	29-MAR	 83.3	 34.5	41%	 48.0	 72%	
161 Tuolumne Meadows          8,600	29-MAR	 42.8	 18.5	43%	 22.7	 81%	
162 Horse Meadow              8,400	25-MAR	 81.5	 34.5	42%	 46.7	 74%	
163 Wilma Lake                8,000	29-MAR	 69.4	 28.3	41%	 43.2	 66%	
165 Sachse Springs            7,900	27-MAR	 49.6	 22.8	46%	 38.1	 60%	
164 Spotted Fawn              7,800	27-MAR	 71.8	 30.7	43%	 45.6	 67%	
166 Huckleberry Lake          7,800	27-MAR	 66.0	 27.6	42%	 41.9	 66%	
167 Paradise Meadow           7,650	28-MAR	 57.9	 24.8	43%	 39.9	 62%	
348 Kerrick Corral            7,000	27-MAR	 33.8	 15.4	46%	 23.5	 66%	
168 Upper Kibbie Ridge        6,700	28-MAR	  9.7	  4.3	45%	 18.6	 23%	
173 Lower Kibbie              6,700	28-MAR	 20.3	  9.4	46%	 26.0	 36%	
169 Vernon Lake               6,700	27-MAR	 25.1	 12.5	50%	 22.4	 56%	
171 Beehive Meadow            6,500	27-MAR	 24.9	 12.5	50%	 23.5	 53%	
172 Bell Meadow               6,500	27-MAR	 11.7	  6.0	51%	 15.5	 39%	
                                                Basin Average Pct. of April 1:  63%
                              Merced River Basin
176 Snow Flat                 8,700	28-MAR	 84.0	 37.2	44%	 44.5	 84%	
177 Ostrander Lake            8,200	27-MAR	 57.4	 24.8	43%	 32.6	 76%	
178 Tenaya Lake               8,150	28-MAR	 58.0	 23.4	40%	 33.6	 70%	
180 Peregoy Meadows           7,000	29-MAR	 39.9	 17.2	43%	 29.3	 59%	
179 Gin Flat (Course)         7,000	29-MAR	 37.7	 19.1	51%	 32.0	 60%	
                                                Basin Average Pct. of April 1:  70%
                              San Joaquin River Basin
182 Mono Pass                11,450		Scheduled for measurement by Southern California Edison Company, Big Creek
183 Piute Pass               11,300	30-MAR	 70.8	 28.5	40%	 37.9	 75%	
184 Emerald Lake             10,600		Scheduled for measurement by Southern California Edison Company, Big Creek
276 Pioneer Basin            10,400	01-APR	 67.6	 24.9	37%	 34.0	 73%	
185 Heart Lake               10,100	01-APR	 56.8	 18.9	33%	 27.9	 68%	
186 Volcanic Knob            10,050	01-APR	 66.4	 24.3	37%	 30.7	 79%	
187 Rose Marie               10,000	01-APR	 59.8	 21.4	36%	 29.7	 72%	
188 Colby Meadow              9,700		Scheduled for measurement by Southern California Edison Company, Big Creek
189 Agnew Pass                9,450	25-MAR	 55.2	 22.0	40%	 31.8	 69%	
191 Dutch Lake                9,100	01-APR	 54.7	 20.7	38%	 28.1	 74%	
190 Kaiser Pass               9,100	31-MAR	 64.0	 26.5	41%	 39.0	 68%	
192 Coyote Lake               8,850	31-MAR	 55.0	 20.7	38%	 32.2	 64%	
193 Cora Lakes                8,400	28-MAR	 52.9	 22.0	42%	 36.3	 61%	
346 Badger Flat               8,300	31-MAR	 40.7	 17.1	42%	 30.8	 56%	
194 Nellie Lake               8,000	31-MAR	 49.9	 20.9	42%	 35.8	 58%	
324 Lake Thomas A Edison      7,800	31-MAR	  0.0	  0.0		 14.7	  0%	
196 Chilkoot Lake             7,450	27-MAR	 38.0	 17.2	45%	 36.8	 47%	
347 Tamarack Creek            7,250	31-MAR	 18.9	  9.7	51%	 23.8	 41%	
198 Florence Lake             7,200	01-APR	  0.0	  0.0		  7.6	  0%	
197 Chilkoot Meadow           7,150	27-MAR	 40.6	 20.0	49%	 36.6	 55%	
200 Clover Meadow             7,000	28-MAR	 24.3	 11.3	47%	 22.8	 50%	
199 Huntington Lake           7,000	02-APR	 20.9	  6.6	32%	 18.6	 35%	
201 Jackass Meadow            6,950	27-MAR	 17.2	  8.8	51%	 24.0	 37%	
202 Chiquito Creek            6,800	27-MAR	 22.3	 10.0	45%	 21.7	 46%	
204 Poison Meadow             6,800	27-MAR	 18.0	  9.4	52%	 24.8	 38%	
                                                Basin Average Pct. of April 1:  53%
                              Kings River Basin
222 Bishop Pass              11,200	28-MAR	 72.9	 28.4	39%	 35.0	 81%	
299 Charlotte Ridge          10,700	01-APR	 71.7	 28.4	40%	 29.9	 95%	
307 Bullfrog Lake            10,650	01-APR	 65.5	 25.9	40%	 28.5	 91%	
398 Bench Lake               10,600		Scheduled for measurement by Kings River Water Association
223 Blackcap Basin           10,300	25-MAR	 73.6	 25.8	35%	 34.1	 76%	
396 Rattlesnake Creek Ba      9,900	25-MAR	 68.2	 26.3	39%	 39.8	 66%	
225 Beard Meadow              9,800	25-MAR	 74.3	 28.6	38%	 33.3	 86%	
224 Upper Burnt Corral        9,700	25-MAR	 76.6	 28.0	37%	 37.8	 74%	
397 Scenic Meadow             9,650	28-MAR	 47.4	 18.5	39%	 24.1	 77%	
229 Round Corral              9,000	26-MAR	 56.6	 22.3	39%	 35.8	 62%	
226 Rowell Meadow             8,850	28-MAR	 42.0	 15.6	37%	 26.5	 59%	
227 Woodchuck Meadow          8,800	26-MAR	 59.4	 21.7	37%	 31.5	 69%	
232 Long Meadow (Kings R)     8,500	24-MAR	 54.0	 19.2	36%	 29.3	 66%	
426 Courtright                8,350	24-MAR	 50.0	 19.0	38%	 30.7	 62%	
233 Statum Meadow             8,300	26-MAR	 49.3	 20.9	42%	 32.3	 65%	
230 Helms Meadow              8,250	25-MAR	 42.6	 16.9	40%	 26.7	 63%	
234 Post Corral Meadow        8,200	24-MAR	 41.7	 14.6	35%	 26.3	 56%	
308 Dodsons Meadow            8,050	24-MAR	 43.6	 16.0	37%	 29.6	 54%	
236 Big Meadows               7,600	28-MAR	 22.6	 10.4	46%	 24.6	 42%	
237 Horse Corral Meadow       7,600	28-MAR	 15.1	  6.8	45%	 16.3	 42%	
239 Fred Meadow               6,950	26-MAR	 12.0	  5.6	47%	 21.3	 26%	
240 Grant Grove               6,600	25-MAR	  3.7	  1.5	41%	 13.4	 11%	
                                                Basin Average Pct. of April 1:  63%
                              Kaweah River Basin
292 Farewell Gap              9,500	26-MAR	 66.1	 27.7	42%	 35.8	 77%	
243 Panther Meadow            8,600	28-MAR	 58.3	 24.8	43%	 36.7	 68%	
244 Hockett Meadows           8,500	24-MAR	 44.5	 17.3	39%	 27.5	 63%	
245 Mineral King              8,000	27-MAR	 20.6	  8.6	42%	 20.6	 42%	
246 Giant Forest              6,400	28-MAR	  8.3	  3.8	46%	 14.7	 26%	
                                                Basin Average Pct. of April 1:  55%
                              Tule River Basin
247 Quaking Aspen             7,000	31-MAR	  1.0	  0.6	60%	 12.3	  5%	
248 Old Enterprise Mill       6,600	31-MAR	  3.9	  1.6	41%	 14.3	 11%	
                                                Basin Average Pct. of April 1:   8%
                              Kern River Basin
250 Bighorn Plateau          11,350	29-MAR	 49.1	 16.6	34%	 23.7	 70%	
251 Cottonwood Pass          11,050	24-MAR	 37.5	 11.4	30%	 14.8	 77%	
252 Siberian Pass            10,900	27-MAR	 47.3	 15.6	33%	 20.0	 78%	
253 Crabtree Meadow          10,700	28-MAR	 46.6	 14.9	32%	 19.6	 76%	
255 Tyndall Creek            10,650	29-MAR	 44.2	 14.1	32%	 18.8	 75%	
275 Sandy Meadows            10,650	29-MAR	 41.9	 15.1	36%	 19.2	 79%	
254 Guyot Flat               10,650	28-MAR	 48.8	 16.2	33%	 20.8	 78%	
257 Big Whitney Meadow        9,750	26-MAR	 40.5	 13.9	34%	 17.2	 81%	
256 Rock Creek                9,600	27-MAR	 41.7	 14.4	35%	 17.8	 81%	
258 Round Meadow              9,000		Scheduled for measurement by Cannell Meadow Ranger District
259 Ramshaw Meadows           8,700	25-MAR	 22.2	  6.8	31%	 11.5	 59%	
260 Little Whitney Meadow     8,500	25-MAR	 20.5	  7.4	36%	 12.9	 57%	
264 Quinn Ranger Station      8,350	24-MAR	 27.7	 11.1	40%	 18.9	 59%	
261 Bonita Meadows            8,300		Scheduled for measurement by Cannell Meadow Ranger District
262 Casa Vieja Meadows        8,300	03-APR	 26.4	  7.1	27%	 19.8	 36%	
265 Beach Meadows             7,650	03-APR	  5.0	  1.0	20%	  8.3	 12%	
249 Dead Horse Meadow         7,300	01-APR	  0.0	  0.0		 10.7	  0%	
                                                Basin Average Pct. of April 1:  61%
                              Surprise Valley Basin
378 Mount Bidwell             7,200		Scheduled for measurement by Natural Resources Conservation Service
313 Barber Creek              6,500	25-MAR	  4.5	  1.7	38%	 10.7	 16%	
349 Hays Canyon               6,400		Scheduled for measurement by Natural Resources Conservation Service
350 49 Mountain               6,000	25-MAR	  0.0	  0.0				
                                                Basin Average Pct. of April 1:  16%
                              Susan River Basin
 45 Silver Lake Meadows       6,450	31-MAR	 40.4	 19.7	49%	 29.4	 67%	
 46 Norvell Flat              5,700	31-MAR	 10.8	  5.8	54%	 15.1	 38%	
                                                Basin Average Pct. of April 1:  53%
                              Truckee River Basin
334 Mount Rose                9,000	28-MAR	 75.0	 34.1	45%	 35.6	 96%	
318 Squaw Valley 2            7,700	28-MAR	 76.0	 34.6	46%	 48.4	 71%	
 89 Webber Lake               7,000	31-MAR	 54.8	 25.4	46%	 31.7	 80%	
                                                Basin Average Pct. of April 1:  82%
                              Lake Tahoe Basin
 96 Lake Lucille              8,200	28-MAR	108.0	 48.0	44%	 59.1	 81%	
 97 Rubicon Peak 1            8,100	28-MAR	 96.0	 39.6	41%	 48.0	 82%	
 99 Rubicon Peak 2            7,500	27-MAR	 49.4	 21.0	43%	 30.8	 68%	
100 Freel Bench               7,300	28-MAR	 10.0	  4.3	43%	 10.4	 41%	
101 Ward Creek 2              7,000	27-MAR	 49.4	 21.6	44%	 41.8	 52%	
333 Glenbrook 2 (Nevada)      6,900	28-MAR	 14.0	  5.4	39%	 11.6	 47%	
103 Richardsons 2             6,500	26-MAR	 21.0	  9.3	44%	 15.6	 60%	
104 Upper Truckee             6,400	26-MAR	  2.0	  0.7	35%	  7.4	  9%	
                                                Basin Average Pct. of April 1:  55%
                              Walker River Basin
421 Leavitt Lake              9,600	28-MAR	 89.0	 37.7	42%	 50.8	 74%	
150 Virginia Lakes            9,400	29-MAR	 32.3	 14.2	44%	 18.0	 79%	
377 Virginia Lakes Ridge      9,300	29-MAR	 43.1	 16.5	38%	 19.5	 85%	
152 Sonora Pass               8,750	28-MAR	 49.0	 22.2	45%	 24.9	 89%	
422 Sawmill Ridge             8,750	28-MAR	 38.0	 15.9	42%	 18.8	 85%	
154 Willow Flat               8,250	28-MAR	 18.0	  8.0	44%	  9.9	 81%	
                                                Basin Average Pct. of April 1:  82%
                              Mono Lk Basin
281 Gem Pass                 10,750	25-MAR	 68.9	 26.0	38%	 33.7	 77%	
181 Tioga Pass                9,800	24-MAR	 61.1	 23.2	38%	 26.8	 87%	
287 Saddlebag Lake            9,750	24-MAR	 68.7	 27.1	39%	 31.3	 86%	
286 Ellery Lake               9,600	24-MAR	 68.4	 26.4	39%	 29.0	 91%	
282 Gem Lake                  9,150	25-MAR	 52.9	 20.0	38%	 30.0	 67%	
                                                Basin Average Pct. of April 1:  82%
                              Owens River Basin
284 Bishop Lake              11,300	27-MAR	 50.3	 17.6	35%	 21.9	 80%	
220 Cottonwood Lakes 2       11,100	19-MAR	 43.8	 13.6	31%	 14.1	 96%	
212 East Piute Pass          10,800	30-MAR	 38.7	 14.5	37%	 15.2	 95%	
408 Flower Lake 2            10,660		Scheduled for measurement by CA Dept of Water Resources
213 Sawmill                  10,200	27-MAR	 46.8	 16.7	36%	 19.0	 88%	
221 Cottonwood Lakes 1       10,150	19-MAR	 43.1	 12.6	29%	 12.3	102%	
217 Big Pine Creek 1         10,000	24-MAR	 53.8	 18.2	34%	 22.6	 81%	
209 Rock Creek 3             10,000	25-MAR	 28.3	 10.2	36%	 14.7	 69%	
218 Big Pine Creek 3          9,800	24-MAR	 46.3	 16.1	35%	 18.3	 88%	
219 Big Pine Creek 2          9,700	24-MAR	 31.5	 11.3	36%	 14.8	 76%	
214 North Lake                9,300	30-MAR	 22.3	  9.5	43%	 10.2	 93%	
205 Mammoth Pass (DWR)        9,300	20-MAR	 74.8	 31.2	42%	 41.9	 74%	
423 Trailhead                 9,100	19-MAR	 41.8	 12.7	30%	 13.2	 96%	
210 Rock Creek 2              9,050	25-MAR	 25.3	  8.9	35%	 11.0	 81%	
206 Minarets 2                9,000	20-MAR	 51.4	 20.3	39%	 29.1	 70%	
211 Rock Creek 1              8,700	25-MAR	 14.8	  5.4	36%	  7.5	 72%	
208 Mammoth                   8,300	20-MAR	 37.6	 13.9	37%	 20.2	 69%	
                                                Basin Average Pct. of April 1:  83%

Summary of Snow Surveys

RegionNo. BasinsNo. CoursesAvg WC% Average
April 1
% Average
April 1
North Coast 3 18 30.4" 94% 94%
Sacramento 6 77 21.7" 63% 63%
San Joaquin Valley 5 68 20.8" 61% 61%
Tulare Lake 4 43 15.1" 59% 59%
North Lahontan 3 17 21.1" 69% 69%
South Lahontan 2 21 16.9" 83% 83%
Statewide Average (weighted) 66% 66%

* This course not included in river, basin or Statewide computations.

THIS SUMMARY MAY NOT MATCH THAT PUBLISHED IN BULLETIN 120 DUE TO CHANGES IN AVERAGES AND COURSE SELECTION. USE ONLY FOR COMPARISONS BETWEEN YEARS

Data are preliminary and subject to revision. This document is updated every 30 minutes during the data-collection period.

hart@water.ca.gov


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Revised: April 15, 2003 06:04