B A S I N S U M M A R Y OF
S N O W C O U R S E D A T A
APRIL 1999
SNOW COURSE ELEVATION DATE SNOW WATER LAST AVERAGE
DEPTH CONTENT YEAR 1961-90
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SNAKE RIVER BASIN
ASTER CREEK 7750 3/29/99 91 36.5 25.4 30.7
BASE CAMP PILLOW 7030 4/01/99 --- 23.6 16.2 17.8
BASE CAMP 7030 3/30/99 66 25.6 16.8 20.5
BLACK BEAR PILLOW 7950 4/01/99 --- 50.5 37.5 38.5
BLIND BULL PILLOW 8900 4/01/99 --- 28.7 24.3 29.8
BRYAN FLAT 6420 3/30/99 30 10.8 8.2 9.0
CCC CAMP 7000 3/30/99 40 14.2 13.0 12.5
COTTONWOOD CR PILLOW 7700 4/01/99 --- 25.0 21.0 24.5
DARBY CANYON 8250 3/31/99 67 24.5 22.3 24.1
EAST RIM DIV PILLOW 7930 4/01/99 --- 13.9 12.5 14.0
ELBO RANCH 7100 3/31/99 42 13.4 10.8 11.3
FOUR MILE MEADOWS 7860 3/31/99 36 12.8 10.1 13.2
GLADE CREEK 7040 3/29/99 72 27.9 21.4 23.6
GRASSY LAKE PILLOW 7270 4/01/99 --- 43.1 30.8 36.3
GREYS BOUNDARY 5720 3/30/99 28 10.2 12.8 11.2
GROS VENTRE PILLOW 8750 4/01/99 --- 16.0 14.6 15.8
GROVER PARK DIVIDE 7000 3/30/99 28 10.5 10.2 12.1
HUCKLEBERRY DIVIDE 7300 3/29/99 65 24.2 18.0 21.7
JACKPINE CREEK 7350 3/31/99 65 25.9 20.1 22.3
LEWIS LAKE PILLOW 7850 4/01/99 --- 40.8 30.2 35.7
LEWIS LAKE DIVIDE 7850 3/29/99 121 49.0 37.6 42.1
MORAN 6750 4/01/99 38 14.1 11.5 12.7
PHILLIPS BENCH PILL. 8200 4/01/99 --- 32.7 26.6 29.4
POISON MEADOWS 8500 --- 29.1
SALT RIVER PILLOW 7600 4/01/99 --- 16.2 15.3 14.5
SNAKE RIVER STATION 6920 3/30/99 60 22.3 18.3 21.1
SNOW KING MTN 7660 3/30/99 41 14.4 13.0 15.2
SPRING CRK. PILLOW 9000 4/01/99 --- 29.6 21.8 28.3
TETON PASS W.S. 7740 3/30/99 82 32.4 25.9 26.7
THUMB DIVIDE 7980 3/29/99 58 20.9 15.0 20.7
TOGWOTEE PASS PILLOW 9580 4/01/99 --- 28.8 23.3 25.2
TURPIN MEADOWS 6900 3/31/99 32 12.3 9.0 10.3
TWO OCEAN PILLOW 9240 4/01/99 --- 36.5 27.8 26.8
WILLOW CREEK PILLOW 8450 4/01/99 --- 33.4 27.9 30.5
UPPER YELLOWSTONE & MADISON RIVER BASINS
BLACK BEAR PILLOW 7950 4/01/99 --- 50.5 37.5 38.5
CANYON PILLOW 8090 4/01/99 --- 18.1 13.0 13.1
FISHER CREEK PILLOW 9100 4/01/99 --- 40.1 29.3 36.1
FISHER CREEK 9100 3/30/99 107 40.0 35.3 39.0
LAKE CAMP 7780 9.5 9.9
LUPINE CREEK 7380 8.0 10.2
MADISON PLT PILLOW 7750 4/01/99 --- 31.3 20.9 24.8
MADISON PLATEAU 7750 21.6 23.9
NORRIS BASIN 7500 3/28/99 32 10.5 10.2 11.5
N.E. ENTRANCE PILLOW 7350 4/01/99 --- 11.7 6.9 9.2
NORTHEAST ENTRANCE 7350 3/29/99 29 10.1 6.3 9.1
OLD FAITHFUL 7400 11.7 14.8
PARKERS PEAK PILLOW 9400 4/01/99 --- 23.5 19.0 21.8
SYLVAN LAKE PILLOW 8420 4/01/99 --- 26.3 17.9 22.3
THUMB DIVIDE 7980 3/29/99 58 20.9 15.0 20.7
TWENTY-ONE MILE 7150 3/30/99 55 21.1 12.7 17.4
TWO OCEAN PILLOW 9240 4/01/99 --- 36.5 27.8 26.8
WEST YELL'ST PILLOW 6700 4/01/99 --- 14.8 6.7 11.6
WEST YELLOWSTONE 6700 3/30/99 40 13.6 8.2 11.6
WIND RIVER BASIN
BLUE RIDGE 9620 3/29/99 32 9.9 11.2 12.5
BURROUGHS CRK PILLOW 8750 4/01/99 --- 17.0 15.0 15.0
BURROUGHS CREEK 8750 --- 13.9
CASTLE CREEK 8400 3/30/99 19 5.7 3.4 4.6
COLD SPRINGS PILLOW 9630 4/01/99 --- 9.3 11.2 8.4
DU NOIR 8760 3/30/99 31 8.5 7.2 8.5
GEYSER CREEK 8500 3/30/99 24 7.2 5.3 7.4
GRANNIER MEADOWS 8860 3/29/99 40 11.6 9.1 14.7
HOBBS PARK PILLOW 10100 4/01/99 --- 17.5 15.1 15.1
LITTLE WARM PILLOW 9370 4/01/99 --- 14.7 11.2 11.6
MIDDLE FORK 7420 3/29/99 13 3.8 6.2 6.4
SOUTH PASS PILLOW 9040 4/01/99 --- 17.7 15.6 16.4
ST LAWRENCE ALT PILL 8620 4/01/99 --- 6.7 10.1 7.6
T CROSS RANCH 7900 3/30/99 23 8.5 5.7 7.2
TOGWOTEE PASS PILLOW 9580 4/01/99 --- 28.8 23.3 25.2
TOWNSEND CRK PILLOW 8700 4/01/99 --- 9.8 11.7 9.9
YOUNTS PEAK PILLOW 8350 4/01/99 --- 21.6 14.8 17.3
BIG HORN RIVER BASIN
BALD MOUNTAIN PILLOW 9380 4/01/99 --- 19.7 18.8 20.5
BONE SPGS. PILLOW 9350 4/01/99 --- 16.1 16.4 16.5
KIRWIN PILLOW 9550 4/01/99 --- 12.6 12.7 10.0
MEDICINE LODGE LAKES 9340 3/28/99 43 12.4 10.3 11.2
MIDDLE POWDER PILLOW 7760 4/01/99 --- 10.6 10.9 12.2
MIDDLE POWDER 7760 8.1 11.7
ONION GULCH 8780 3/27/99 30 6.0 7.3 8.9
OWL CREEK PILLOW 8980 4/01/99 --- 6.4 7.5 4.6
POWDER RVR.PASS PILL 9480 4/01/99 --- 11.9 11.0 10.9
RANGER CREEK 8120 3/28/99 37 9.9 6.8 9.3
SHELL CREEK PILLOW 9580 4/01/99 --- 16.7 13.8 15.0
TIMBER CREEK PILLOW 7950 4/01/99 --- 5.5 8.6 6.3
TYRELL RANGER STA. 8300 3/27/99 27 5.6 5.2 8.2
SHOSHONE & CLARKS FORK RIVER BASINS
BEARTOOTH LK. PILLOW 9280 4/01/99 --- 26.3 19.3 23.8
BLACKWATER PILLOW 9780 4/01/99 --- 30.8 20.5 22.4
CARTER MOUNTAIN 7950 3/30/99 5 .8 5.1 5.2
FISHER CREEK PILLOW 9100 4/01/99 --- 40.1 29.3 36.1
FISHER CREEK 9100 3/30/99 107 40.0 35.3 39.0
EVENING STAR PILLOW 9200 4/01/99 --- 33.3 23.1 27.2
MARQUETTE PILLOW 8760 4/01/99 --- 8.1 13.0 8.1
PARKERS PEAK PILLOW 9400 4/01/99 --- 23.5 19.0 21.8
N.E. ENTRANCE PILLOW 7350 4/01/99 --- 11.7 6.9 9.2
NORTHEAST ENTRANCE 7350 3/29/99 29 10.1 6.3 9.1
PARKERS PEAK PILLOW 9400 4/01/99 --- 23.5 19.0 21.8
SYLVAN ROAD PILLOW 7120 4/01/99 --- 17.3 10.6 12.5
WHITE MILL PILLOW 8700 4/01/99 --- 27.8 23.4 25.1
WHITE MILL 8700 3/30/99 82 32.2 27.2 28.2
WOLVERINE PILLOW 7650 4/01/99 --- 12.4 9.3 11.7
YOUNTS PEAK PILLOW 8350 4/01/99 --- 21.6 14.8 17.3
POWDER & TONGUE RIVER BASINS
BEAR TRAP PILLOW 8200 4/01/99 --- 4.8 6.5 7.2
BIG GOOSE 7760 3/29/99 15 3.7 6.3 7.8
BONE SPGS. PILLOW 9350 4/01/99 --- 16.1 16.4 16.5
BURGESS JCT. PILLOW 7880 4/01/99 --- 9.0 10.5 11.8
CLOUD PEAK PILLOW 9850 4/01/99 --- 15.2 14.2 14.9
DOME LAKE PILLOW 8880 4/01/99 --- 12.5 12.2 13.8
HANSEN S.M. PILLOW 8360 4/01/99 --- 4.5 7.7 7.1
MIDDLE POWDER PILLOW 7760 4/01/99 --- 10.6 10.9 12.2
MIDDLE POWDER 7760 8.1 11.7
NORTH TONGUE 8450 3/26/99 32 9.1 11.6 13.6
ONION GULCH 8780 3/27/99 30 6.0 7.3 8.9
POWDER RVR.PASS PILL 9480 4/01/99 --- 11.9 11.0 10.9
SAWMILL DIVIDE 9260 3/29/99 39 10.5 12.5 13.3
SOLDIER PARK 8780 3/27/99 21 4.2 5.9 6.1
SOUR DOUGH 8460 3/27/99 25 4.4 7.4 7.1
SUCKER CREEK PILLOW 8880 4/01/99 --- 10.3 11.7 12.2
SUCKER CREEK 8880 --- 12.8
WOOD ROCK G.S. 8440 3/29/99 31 8.1 9.1 10.7
BELLE FOURCHE & CHEYENNE RIVER BASINS
BEARLODGE DIVIDE 4680 3/25/99 0 .0 .5 2.2
BLIND PARK PILLOW 6870 4/01/99 --- 6.6 8.8 11.1
DITCH CREEK 6870 3/31/99 13 3.8 2.6 ---
NORTH RAPID CK PILL. 6130 4/01/99 --- 5.6 10.0 ---
MALLO 6420 3/29/99 20 5.1 6.5 6.7
MOUNT TOM 5560 3/30/99 0 .0 2.2 4.5
REUTER CANYON 6280 3/29/99 12 3.9 10.3 9.2
UPPER SPEARFISH 6500 3/30/99 11 3.6 7.0 7.0
WARREN PEAK PILLOW 6520 4/01/99 --- 10.1 12.3 11.1
LITTLE BEAR RUN 6240 3/30/99 6 1.9 2.0 ---
UPPER NORTH PLATTE BASIN
DIVIDE PEAK PILLOW 8860 4/01/99 --- 18.0 19.7 21.3
JOE WRIGHT SNOTEL 10000 4/01/99 --- 19.4 19.5 22.1
MOSS LAKE 9800 3/26/99 43 15.6 21.4 25.3
NORTH BARRETT CREEK 9400 3/26/99 60 21.2 20.8 21.5
NORTH FRENCH PILLOW 10130 4/01/99 --- 28.8 30.6 25.6
OLD BATTLE PILLOW 9920 4/01/99 --- 28.0 31.3 32.2
PURGATORY GULCH 8970 3/25/99 37 13.0 9.5 11.2
ROACH SNOTEL 9400 4/01/99 --- 15.1 14.6 17.4
RYAN PARK 8400 3/26/99 27 10.0 8.5 11.2
SAND LAKE PILLOW 10050 4/01/99 --- 33.6 26.5 33.1
SOUTH BRUSH PILLOW 8440 4/01/99 --- 11.3 9.2 13.4
WEBBER SPRING PILLOW 9250 4/01/99 --- 18.3 20.0 28.3
WILLOW CK PS SNOTEL 9500 4/01/99 --- 11.4 7.2 12.0
LOWER NORTH PLATTE, SWEETWATER & LARAMIE RIVER BASINS
ALBANY 9400 3/29/99 31 10.5 12.4 14.7
BOXELDER 7280 3/29/99 18 5.4 6.8 8.0
BROOKLYN LK. PILLOW 10220 4/01/99 --- 15.5 21.3 26.4
BUCK CREEK 7960 3/29/99 24 7.4 9.2 11.0
CASPER MTN. PILLOW 7850 4/01/99 --- 10.3 12.6 16.6
DEADMAN HILL SNOTEL 10200 4/01/99 --- 15.8 13.7 16.6
DEADMAN HILL 10200 3/30/99 40 12.0 9.8 16.2
FOXPARK 9060 3/29/99 18 5.4 8.5 7.7
GRANNIER MEADOWS 8860 3/29/99 40 11.6 9.1 14.7
HAIRPIN TURN 9480 3/29/99 37 13.7 13.6 17.3
JOE WRIGHT SNOTEL 10000 4/01/99 --- 19.4 19.5 22.1
LA BONTE 8450 3/28/99 10 2.3 3.8 5.8
LA PRELE PILLOW 8380 4/01/99 --- 7.7 9.5 10.6
LARSEN CREEK 9020 3/26/99 42 14.6 7.6 12.4
LIBBY LODGE 8750 3/29/99 27 9.8 9.4 11.5
POLE MOUNTAIN 8700 3/29/99 23 7.2 7.5 7.9
RENO HILL PILLOW 8500 4/01/99 --- 12.7 12.3 14.4
ROACH SNOTEL 9400 4/01/99 --- 15.1 14.6 17.4
SOUTH PASS PILLOW 9040 4/01/99 --- 17.7 15.6 16.4
WINDY PEAK PILLOW 7900 4/01/99 --- 6.2 7.5 8.8
LITTLE SNAKE RIVER BASIN
BATTLE MTN. PILLOW 7440 4/01/99 --- 10.0 12.4 11.3
BUTTER HILL 7880 3/25/99 35 12.1 11.3 13.6
DIVIDE PEAK PILLOW 8860 4/01/99 --- 18.0 19.7 21.3
ELK RIVER SNOTEL 8600 4/01/99 --- 15.0 16.4 20.0
HASKINS CREEK 8980 3/25/99 71 27.5 26.9 30.4
OLD BATTLE PILLOW 9920 4/01/99 --- 28.0 31.3 32.2
SANDSTONE PILLOW 8150 4/01/99 --- 11.2 14.7 15.0
WHISKEY PARK PILLOW 8950 4/01/99 --- 25.4 28.3 29.0
UPPER GREEN RIVER BASIN
BIG PARK 8620 3/29/99 57 19.4 16.5 20.2
BIG SANDY PILLOW 9080 4/01/99 --- 16.2 12.2 14.7
BLIND BULL PILLOW 8900 4/01/99 --- 28.7 24.3 29.8
EAST RIM DIV PILLOW 7930 4/01/99 --- 13.9 12.5 14.0
ELKHART PARK PILLOW 9400 4/01/99 --- 14.0 12.7 13.9
GROS VENTRE PILLOW 8750 4/01/99 --- 16.0 14.6 15.8
INDIAN CREEK PILLOW 9430 4/01/99 --- 29.4 24.7 29.0
KELLEY R.S. PILLOW 8180 4/01/99 --- 17.1 15.9 17.3
KENDALL R.S. PILLOW 7740 4/01/99 --- 15.2 14.2 14.7
LOOMIS PARK PILLOW 8240 4/01/99 --- 18.6 16.6 17.6
NEW FORK PILLOW 8340 4/01/99 --- 12.5 10.6 11.3
POCKET CREEK 9350 3/25/99 46 14.3 9.1 12.8
POISON MEADOWS 8500 --- 29.1
ROWDY CREEK 8300 3/25/99 66 25.3 18.6 22.1
SNIDER BASIN PILLOW 8060 4/01/99 --- 16.3 12.3 14.9
TRIPLE PEAK PILLOW 8500 4/01/99 --- 29.3 21.8 25.9
LOWER GREEN RIVER BASIN
BIG PARK 8620 3/29/99 57 19.4 16.5 20.2
BLACK'S FORK JUNCTN 8930 3/28/99 30 8.9 9.5 9.4
HAMS FORK PILLOW 7840 4/01/99 --- 13.4 10.8 12.3
HENRY'S FORK 10000 3/28/99 34 9.9 16.2 14.0
HEWINTA SNOTEL 9500 4/01/99 --- 11.5 11.0 11.5
HICKERSON PARK SNOTE 9100 4/01/99 --- 5.6 11.7 6.9
HOLE-IN-ROCK SNOTEL 9150 4/01/99 --- 5.9 8.9 6.5
INDIAN CREEK PILLOW 9430 4/01/99 --- 29.4 24.7 29.0
KELLEY R.S. PILLOW 8180 4/01/99 --- 17.1 15.9 17.3
SPRING CRK. PILLOW 9000 4/01/99 --- 29.6 21.8 28.3
STEEL CREEK PARK SNO 10100 4/01/99 --- 14.3 16.5 16.6
UPPER BEAR RIVER BASIN
BIG PARK 8620 3/29/99 57 19.4 16.5 20.2
BURT'S-MILLER RANCH 7900 3/28/99 10 3.8 2.3 5.7
HAYDEN FORK SNOTEL 9100 4/01/99 --- 14.7 12.9 16.5
INDIAN CREEK PILLOW 9430 4/01/99 --- 29.4 24.7 29.0
KELLEY R.S. PILLOW 8180 4/01/99 --- 17.1 15.9 17.3
SALT RIVER PILLOW 7600 4/01/99 --- 16.2 15.3 14.5
STILLWATER CAMP 8550 3/28/99 27 9.6 9.8 10.8
TRIAL LAKE SNOTEL 9960 4/01/99 --- 21.0 21.0 25.0
TRIAL LAKE 9960 3/28/99 57 19.7 22.7 24.2
(d) Denotes discontinued site.
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