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
MAY 1999
SNOW COURSE ELEVATION DATE SNOW WATER LAST AVERAGE
DEPTH CONTENT YEAR 1961-90
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SNAKE RIVER BASIN
ASTER CREEK 7750 --- ---
BASE CAMP PILLOW 7030 5/01/99 --- 17.0 10.9 10.7
BASE CAMP 7030 --- ---
BLACK BEAR PILLOW 7950 5/01/99 --- 52.2 38.9 39.8
BLIND BULL PILLOW 8900 5/01/99 --- 32.5 24.0 22.7
BRYAN FLAT 6420 4/25/99 16 6.7 5.7 2.3
CCC CAMP 7000 4/28/99 27 12.1 8.6 7.9
COTTONWOOD CR PILLOW 7700 5/01/99 --- 23.0 16.5 20.0
DARBY CANYON 8250 5/05/99 62 24.3 24.6 23.9
EAST RIM DIV PILLOW 7930 5/01/99 --- 15.0 12.3 14.8
ELBO RANCH 7100 4/28/99 32 12.4 13.4 9.0
FOUR MILE MEADOWS 7860 --- ---
GLADE CREEK 7040 4/29/99 52 25.4 19.8 21.0
GRASSY LAKE PILLOW 7270 5/01/99 --- 41.3 29.1 33.9
GREYS BOUNDARY 5720 4/28/99 2 .9 3.5 2.6
GROS VENTRE PILLOW 8750 5/01/99 --- 16.8 15.3 13.9
GROVER PARK DIVIDE 7000 4/28/99 12 5.5 5.1 7.9
HUCKLEBERRY DIVIDE 7300 --- ---
JACKPINE CREEK 7350 5/05/99 54 21.8 20.6 19.8
LEWIS LAKE PILLOW 7850 5/01/99 --- 39.4 29.4 34.4
LEWIS LAKE DIVIDE 7850 31.7 42.0
MORAN 6750 --- ---
PHILLIPS BENCH PILL. 8200 5/01/99 --- 36.1 27.0 29.5
POISON MEADOWS 8500 --- 29.9
SALT RIVER PILLOW 7600 5/01/99 --- 14.4 11.3 10.8
SNAKE RIVER STATION 6920 --- ---
SNOW KING MTN 7660 4/26/99 32 12.7 12.8 12.4
SPRING CRK. PILLOW 9000 5/01/99 --- 36.0 22.1 29.6
TETON PASS W.S. 7740 4/26/99 76 32.6 30.4 27.1
THUMB DIVIDE 7980 --- ---
TOGWOTEE PASS PILLOW 9580 5/01/99 --- 32.1 25.2 28.3
TURPIN MEADOWS 6900 --- ---
TWO OCEAN PILLOW 9240 5/01/99 --- 39.6 30.7 29.2
WILLOW CREEK PILLOW 8450 5/01/99 --- 31.3 23.4 31.9
UPPER YELLOWSTONE & MADISON RIVER BASINS
BLACK BEAR PILLOW 7950 5/01/99 --- 52.2 38.9 39.8
CANYON PILLOW 8090 5/01/99 --- 16.2 10.4 10.9
FISHER CREEK PILLOW 9100 5/01/99 --- 39.6 28.3 38.7
FISHER CREEK 9100 --- 41.8
LAKE CAMP 7780 4/28/99 31 10.9 5.4 7.2
LUPINE CREEK 7380 5/01/99 26 9.6 --- 6.6
MADISON PLT PILLOW 7750 5/01/99 --- 36.1 20.2 23.8
MADISON PLATEAU 7750 --- 22.2
NORRIS BASIN 7500 5/01/99 18 7.9 6.7 7.5
N.E. ENTRANCE PILLOW 7350 5/01/99 --- 6.3 .0 5.9
NORTHEAST ENTRANCE 7350 --- 6.1
OLD FAITHFUL 7400 5/03/99 32 14.2 9.9 10.0
PARKERS PEAK PILLOW 9400 5/01/99 --- 27.4 19.1 23.7
SYLVAN LAKE PILLOW 8420 5/01/99 --- 25.4 16.3 23.8
THUMB DIVIDE 7980 --- ---
TWENTY-ONE MILE 7150 5/01/99 33 15.1 12.8 14.8
TWO OCEAN PILLOW 9240 5/01/99 --- 39.6 30.7 29.2
WEST YELL'ST PILLOW 6700 5/01/99 --- 7.2 1.6 6.8
WEST YELLOWSTONE 6700 5/01/99 21 9.0 4.8 7.1
WIND RIVER BASIN
BLUE RIDGE 9620 5/01/99 --- 19.2E 15.8 12.7
BURROUGHS CRK PILLOW 8750 5/01/99 --- 19.1 16.1 12.9
BURROUGHS CREEK 8750 --- 13.8
CASTLE CREEK 8400 4/27/99 13 3.7 4.1 2.0
COLD SPRINGS PILLOW 9630 5/01/99 --- 19.9 9.8 6.8
DU NOIR 8760 4/28/99 33 8.9 7.9 6.8
GEYSER CREEK 8500 4/28/99 20 4.9 7.5 5.4
GRANNIER MEADOWS 8860 5/01/99 --- 21.2E 13.0 15.1
HOBBS PARK PILLOW 10100 5/01/99 --- 29.1 19.2 18.0
LITTLE WARM PILLOW 9370 5/01/99 --- 20.3 10.7 10.4
MIDDLE FORK 7420 4/27/99 52 12.4 8.8 5.0
SOUTH PASS PILLOW 9040 5/01/99 --- 25.0 15.9 18.1
ST LAWRENCE ALT PILL 8620 5/01/99 --- 14.6 9.7 5.4
T CROSS RANCH 7900 4/27/99 14 4.6 3.1 3.6
TOGWOTEE PASS PILLOW 9580 5/01/99 --- 32.1 25.2 28.3
TOWNSEND CRK PILLOW 8700 5/01/99 --- 19.7 11.3 9.5
YOUNTS PEAK PILLOW 8350 5/01/99 --- 21.7 15.6 18.3
BIG HORN RIVER BASIN
BALD MOUNTAIN PILLOW 9380 5/01/99 --- 21.7 22.2 24.1
BONE SPGS. PILLOW 9350 5/01/99 --- 20.4 20.1 18.4
KIRWIN PILLOW 9550 5/01/99 --- 16.8 12.8 11.7
MEDICINE LODGE LAKES 9340 4/26/99 43 13.2 11.8 12.5
MIDDLE POWDER PILLOW 7760 5/01/99 --- 16.5 12.1 14.8
MIDDLE POWDER 7760 --- 14.0
ONION GULCH 8780 4/30/99 36 9.9 11.4 8.9
OWL CREEK PILLOW 8980 5/01/99 --- 11.0 6.5 3.4
POWDER RVR.PASS PILL 9480 5/01/99 --- 13.1 11.9 10.5
RANGER CREEK 8120 4/26/99 31 9.8 8.3 8.1
SHELL CREEK PILLOW 9580 5/01/99 --- 17.9 15.8 17.0
TIMBER CREEK PILLOW 7950 5/01/99 --- 10.4 8.2 6.0
TYRELL RANGER STA. 8300 4/30/99 0 .0 7.7 7.5
SHOSHONE & CLARKS FORK RIVER BASINS
BEARTOOTH LK. PILLOW 9280 5/01/99 --- 27.7 20.1 26.0
BLACKWATER PILLOW 9780 5/01/99 --- 35.2 21.9 25.7
CARTER MOUNTAIN 7950 4/30/99 17 5.6 7.6 6.0
FISHER CREEK PILLOW 9100 5/01/99 --- 39.6 28.3 38.7
FISHER CREEK 9100 --- 41.8
EVENING STAR PILLOW 9200 5/01/99 --- 37.2 22.6 30.8
MARQUETTE PILLOW 8760 5/01/99 --- 17.4 14.2 8.6
PARKERS PEAK PILLOW 9400 5/01/99 --- 27.4 19.1 23.7
N.E. ENTRANCE PILLOW 7350 5/01/99 --- 6.3 .0 5.9
NORTHEAST ENTRANCE 7350 --- 6.1
PARKERS PEAK PILLOW 9400 5/01/99 --- 27.4 19.1 23.7
SYLVAN ROAD PILLOW 7120 5/01/99 --- 11.9 5.4 7.9
WHITE MILL PILLOW 8700 5/01/99 --- 30.1 23.1 26.3
WHITE MILL 8700 --- 29.9
WOLVERINE PILLOW 7650 5/01/99 --- 8.8 2.6 8.1
YOUNTS PEAK PILLOW 8350 5/01/99 --- 21.7 15.6 18.3
POWDER & TONGUE RIVER BASINS
BEAR TRAP PILLOW 8200 5/01/99 --- 1.8 3.0 4.2
BIG GOOSE 7760 4/27/99 24 8.3 9.0 8.3
BONE SPGS. PILLOW 9350 5/01/99 --- 20.4 20.1 18.4
BURGESS JCT. PILLOW 7880 5/01/99 --- 11.3 12.1 13.5
CLOUD PEAK PILLOW 9850 5/01/99 --- 23.6 17.1 17.7
DOME LAKE PILLOW 8880 5/01/99 --- 13.2 13.8 15.0
HANSEN S.M. PILLOW 8360 5/01/99 --- 6.4 7.5 6.9
MIDDLE POWDER PILLOW 7760 5/01/99 --- 16.5 12.1 14.8
MIDDLE POWDER 7760 --- 14.0
NORTH TONGUE 8450 4/27/99 41 12.9 13.3 13.9
ONION GULCH 8780 4/30/99 36 9.9 11.4 8.9
POWDER RVR.PASS PILL 9480 5/01/99 --- 13.1 11.9 10.5
SAWMILL DIVIDE 9260 4/26/99 53 14.8 14.7 15.6
SOLDIER PARK 8780 4/30/99 0 .0 10.7 6.9
SOUR DOUGH 8460 4/30/99 38 10.4 12.6 6.9
SUCKER CREEK PILLOW 8880 5/01/99 --- 14.6 12.5 13.8
SUCKER CREEK 8880 --- 14.1
WOOD ROCK G.S. 8440 4/26/99 39 11.3 11.0 12.2
BELLE FOURCHE & CHEYENNE RIVER BASINS
BEARLODGE DIVIDE 4680 4/28/99 0 .0 .0 .8
BLIND PARK PILLOW 6870 5/01/99 --- .0 1.0 9.6
DITCH CREEK 6870 .0 ---
NORTH RAPID CK PILL. 6130 5/01/99 --- 1.1 3.7 ---
MALLO 6420 .0 .0
MOUNT TOM 5560 --- .1
REUTER CANYON 6280 4/28/99 0 .0 3.9 4.5
UPPER SPEARFISH 6500 --- 7.0
WARREN PEAK PILLOW 6520 5/01/99 --- 6.9 7.7 9.6
LITTLE BEAR RUN 6240 .0 ---
UPPER NORTH PLATTE BASIN
DIVIDE PEAK PILLOW 8860 5/01/99 --- 21.2 16.5 19.3
JOE WRIGHT SNOTEL 10000 5/01/99 --- 22.6 23.2 24.7
MOSS LAKE 9800 4/28/99 68 25.6 22.7 26.9
NORTH BARRETT CREEK 9400 4/28/99 74 27.0 22.5 22.6
NORTH FRENCH PILLOW 10130 5/01/99 --- 38.4 32.6 29.4
OLD BATTLE PILLOW 9920 5/01/99 --- 36.9 35.1 38.2
PURGATORY GULCH 8970 4/28/99 42 15.3 10.8 10.3
ROACH SNOTEL 9400 5/01/99 --- 19.4 14.8 18.1
RYAN PARK 8400 4/28/99 23 8.0 5.1 7.9
SAND LAKE PILLOW 10050 5/01/99 --- 46.1 30.6 37.2
SOUTH BRUSH PILLOW 8440 5/01/99 --- 9.6 3.0 10.6
WEBBER SPRING PILLOW 9250 5/01/99 --- 21.4 19.2 26.0
WILLOW CK PS SNOTEL 9500 5/01/99 --- 15.0 9.4 13.5
LOWER NORTH PLATTE, SWEETWATER & LARAMIE RIVER BASINS
ALBANY 9400 4/28/99 41 14.9 12.6 12.8
BOXELDER 7280 4/29/99 23 7.8 6.4 6.4
BROOKLYN LK. PILLOW 10220 5/01/99 --- 27.8 24.4 28.9
BUCK CREEK 7960 4/29/99 29 11.0 8.4 10.0
CASPER MTN. PILLOW 7850 5/01/99 --- 13.7 10.2 17.8
DEADMAN HILL SNOTEL 10200 5/01/99 --- 20.9 16.9 19.1
DEADMAN HILL 10200 --- ---
FOXPARK 9060 4/28/99 23 9.3 8.4 5.4
GRANNIER MEADOWS 8860 5/01/99 --- 21.2E 13.0 15.1
HAIRPIN TURN 9480 4/29/99 42 16.0 15.0 16.6
JOE WRIGHT SNOTEL 10000 5/01/99 --- 22.6 23.2 24.7
LA BONTE 8450 5/01/99 0 .0 .0 1.8
LA PRELE PILLOW 8380 5/01/99 --- 12.5 3.3 6.3
LARSEN CREEK 9020 4/26/99 49 14.6 9.5 11.2
LIBBY LODGE 8750 4/29/99 27 9.6 8.9 9.0
POLE MOUNTAIN 8700 4/28/99 25 8.2 6.2 4.1
RENO HILL PILLOW 8500 5/01/99 --- 15.8 9.6 13.4
ROACH SNOTEL 9400 5/01/99 --- 19.4 14.8 18.1
SOUTH PASS PILLOW 9040 5/01/99 --- 25.0 15.9 18.1
WINDY PEAK PILLOW 7900 5/01/99 --- 6.8 3.4 7.9
LITTLE SNAKE RIVER BASIN
BATTLE MTN. PILLOW 7440 5/01/99 --- 4.3 3.3 4.8
BUTTER HILL 7880 4/29/99 28 10.5 10.4 10.3
DIVIDE PEAK PILLOW 8860 5/01/99 --- 21.2 16.5 19.3
ELK RIVER SNOTEL 8600 5/01/99 --- 14.5 11.5 16.2
HASKINS CREEK 8980 4/29/99 79 31.5 31.9 32.6
OLD BATTLE PILLOW 9920 5/01/99 --- 36.9 35.1 38.2
SANDSTONE PILLOW 8150 5/01/99 --- 8.2 7.0 9.8
WHISKEY PARK PILLOW 8950 5/01/99 --- 30.6 28.7 29.6
UPPER GREEN RIVER BASIN
BIG PARK 8620 4/29/99 58 22.9 18.7 20.5
BIG SANDY PILLOW 9080 5/01/99 --- 16.4 11.9 13.9
BLIND BULL PILLOW 8900 5/01/99 --- 32.5 24.0 22.7
EAST RIM DIV PILLOW 7930 5/01/99 --- 15.0 12.3 14.8
ELKHART PARK PILLOW 9400 5/01/99 --- 16.1 11.6 14.0
GROS VENTRE PILLOW 8750 5/01/99 --- 16.8 15.3 13.9
INDIAN CREEK PILLOW 9430 5/01/99 --- 36.9 23.2 28.9
KELLEY R.S. PILLOW 8180 5/01/99 --- 16.9 12.7 15.0
KENDALL R.S. PILLOW 7740 5/01/99 --- 12.6 8.6 10.6
LOOMIS PARK PILLOW 8240 5/01/99 --- 17.6 15.2 15.1
NEW FORK PILLOW 8340 5/01/99 --- 12.9 7.4 9.1
POCKET CREEK 9350 --- 13.3
POISON MEADOWS 8500 --- 29.9
ROWDY CREEK 8300 4/27/99 66 25.0 19.6 20.6
SNIDER BASIN PILLOW 8060 5/01/99 --- 20.4 11.9 13.0
TRIPLE PEAK PILLOW 8500 5/01/99 --- 32.0 17.6 25.0
LOWER GREEN RIVER BASIN
BIG PARK 8620 4/29/99 58 22.9 18.7 20.5
BLACK'S FORK JUNCTN 8930 04/28/99 28 8.0 9.1 7.4
HAMS FORK PILLOW 7840 5/01/99 --- 10.6 4.4 5.7
HENRY'S FORK 10000 4/28/99 41 11.6 20.7 13.6
HEWINTA SNOTEL 9500 5/01/99 --- 13.1 9.1 5.3
HICKERSON PARK SNOTE 9100 5/01/99 --- 6.1 11.6 2.9
HOLE-IN-ROCK SNOTEL 9150 5/01/99 --- 8.9 8.4 2.3
INDIAN CREEK PILLOW 9430 5/01/99 --- 36.9 23.2 28.9
KELLEY R.S. PILLOW 8180 5/01/99 --- 16.9 12.7 15.0
SPRING CRK. PILLOW 9000 5/01/99 --- 36.0 22.1 29.6
STEEL CREEK PARK SNO 10100 5/01/99 --- 19.7 20.7 18.9
UPPER BEAR RIVER BASIN
BIG PARK 8620 4/29/99 58 22.9 18.7 20.5
BURT'S-MILLER RANCH 7900 04/28/99 0 .0 .0 2.0
HAYDEN FORK SNOTEL 9100 5/01/99 --- 13.8 11.0 6.6
INDIAN CREEK PILLOW 9430 5/01/99 --- 36.9 23.2 28.9
KELLEY R.S. PILLOW 8180 5/01/99 --- 16.9 12.7 15.0
SALT RIVER PILLOW 7600 5/01/99 --- 14.4 11.3 10.8
STILLWATER CAMP 8550 04/28/99 19 7.9 8.6 7.5
TRIAL LAKE SNOTEL 9960 5/01/99 --- 25.2 23.9 24.0
TRIAL LAKE 9960 04/27/99 63 23.3 23.9 25.7
(d) Denotes discontinued site.
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