2020 Cooperative Observer Water Year Precipitation
Western and Central Wyoming
PRELIMINARY WATER YEAR PRECIPITATION TOTALS
DATA AS OF: OCTOBER 2020
FILE CREATED AT: Tue Jan 12 19:30:05 GMT 2021
BIG HORN COUNTY WY STATIONS PRECIPITATION (INCHES)
SHEF ID STATION OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP TOTAL DIFF % OF NORMAL
KGEY GREYBULL ASOS 0.61 0.13 0.01 0.10 0.51 T 0.20 0.24 2.11 0.16 0.13 0.35 4.55 -2.96 60
GBLW4 GREYBULL COOP M M M M M M M M M M M M M M M
SHLW4 SHELL 1NE COOP 0.50 0.60 0.25 0.28 1.05 0.15 0.95 0.40 1.94 0.92 0.26 0.11 7.41 -3.18 69
BSNW4 BASIN COOP 0.56 0.39 0.05 0.12 1.12 T 0.40 0.21 1.67 0.05 0.16 0.67 5.40 -1.44 78
DEVW4 DEAVER COOP 0.41 0.15 0.04 0.08 0.58 T 0.07 0.35 1.85 0.17 0.29 T 3.99 -1.41 73
EMBW4 EMBLEM COOP 0.78 0.29 0.02 0.05 0.97 0.10 0.67 0.31 2.49 0.16 0.19 0.22 6.25 -1.12 84
LOVW4 LOVELL COOP 0.65 0.03 0.00 0.03 0.61 T 0.03 0.50 2.55 T 0.00 T 4.40 -1.94 69
RONW4 RAIRDEN 2WSW COOP 0.35 0.46 T 0.18 0.69 T 0.77 0.23 1.06 0.40 0.22 0.65 5.01 -2.05 70
FREMONT COUNTY WY STATIONS PRECIPITATION (INCHES)
SHEF ID STATION OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP TOTAL DIFF % OF NORMAL
KLND LANDER ASOS 0.87 2.23 0.09 0.24 1.45 0.58 2.35 0.06 0.40 0.09 0.05 0.50 8.91 -3.75 70
LNRW4 LANDER 1N COOP M M M M M M M M M M M M M M M
KRIW RIVERTON ASOS 0.27 1.03 0.04 0.27 0.78 0.27 1.52 0.32 0.40 0.03 0.01 0.43 5.37 -4.06 56
RIVW4 RIVERTON COOP 0.24 0.96 0.10 0.29 0.98 0.24 1.84 0.34 0.41 0.25 T 0.70 6.35 -2.07 75
ATLW4 ATLANTIC CITY COOP 1.11 1.31 0.30 0.66 1.35 1.10 1.86 0.62 1.54 0.31 0.37 1.25 11.78 M M
JEFW4 JEFFREY CITY COOP 0.54 1.60 0.42 0.17 0.42 1.44 1.07 0.17 1.66 0.06 0.08 0.55 8.18 -1.88 81
SBDW4 BOYSEN DAM COOP 0.97 0.13 0.10 0.25 1.06 0.02 0.55 0.31 1.33 0.10 0.05 0.50 5.37 -3.51 60
SSHW4 SHOSHONI COOP 0.36 0.44 0.06 0.30 0.81 0.04 0.76 0.18 0.41 T T 0.21 3.57 -3.96 47
DBOW4 DUBOIS COOP 0.57 0.92 0.35 0.08 0.63 0.97 1.12 1.33 2.03 0.64 0.14 1.07 9.85 -0.06 99
BRRW4 BURRIS COOP M M M M M M M M M M M M M M M
PVLW4 PAVILLION COOP 0.10 0.85 T 0.20 0.41 T 1.38 0.74 0.37 0.01 0.00 0.87 4.93 -2.99 62
MTNW4 DIVERSION DAM COOP 0.54 0.78 T T 0.55 0.55 1.59 0.36 0.72 0.19 0.21 0.78 6.27 -2.82 68
HOT SPRINGS COUNTY WY STATIONS PRECIPITATION (INCHES)
SHEF ID STATION OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP TOTAL DIFF % OF NORMAL
THMW4 THERMOPOLIS COOP 0.42 0.85 0.20 0.55 1.18 0.21 1.14 0.50 0.89 0.00 0.56 1.07 7.57 -4.14 64
BMTW4 THERMOPOLIS 9NE COOP 0.69 1.15 0.24 0.50 1.31 0.41 1.57 0.61 1.31 0.04 0.39 0.66 8.88 -3.81 69
THDW4 THERMOPOLIS 8WNW COOP M 0.21 M 0.34 0.69 0.14 0.74 0.71 0.61 0.06 0.17 0.73 M M M
HDMW4 HAMILTON DOME COOP M M M M M M M M M M M M M M M
BTXW4 BLACK MOUNTAIN COOP 1.64 1.62 0.52 0.73 1.54 0.40 2.09 M 0.58 0.09 0.16 1.01 10.38 -1.67 86
JOHNSON COUNTY WY STATIONS PRECIPITATION (INCHES)
SHEF ID STATION OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP TOTAL DIFF % OF NORMAL
KBYG BUFFALO ASOS 1.27 0.56 0.01 0.12 0.56 0.37 0.61 1.27 1.18 0.95 0.26 0.89 8.05 -5.40 59
BUFW4 BUFFALO COOP 1.47 0.90 0.23 0.26 1.39 0.42 0.96 1.37 1.35 0.57 0.50 0.75 10.17 -3.07 76
BFFW4 BUFFALO 5WSW COOP M M M M M M M M M M M M M M M
BLYW4 BILLY CREEK COOP M M M M M M M M M M M M M M M
KCEW4 KAYCEE COOP 0.67 0.93 0.14 0.36 0.90 0.42 0.82 0.93 1.07 0.43 0.04 0.71 7.42 -4.95 59
LINCOLN COUNTY WY STATIONS PRECIPITATION (INCHES)
SHEF ID STATION OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP TOTAL DIFF % OF NORMAL
AFOW4 AFTON COOP 1.65 1.38 1.34 2.59 2.81 1.87 2.68 2.53 3.99 0.47 0.06 0.52 21.89 +3.73 120
BDFW4 BEDFORD 3SE COOP 2.19 1.30 1.38 3.94 3.18 2.37 3.08 1.87 4.22 0.83 0.02 0.78 25.16 +3.76 117
CKEW4 COKEVILLE COOP M M M M M M M M M M M M M M M
FBMW4 FOSSIL BUTTE NAT MON COOP 0.86 0.78 1.65 1.35 1.01 1.16 0.83 0.72 2.40 0.27 0.09 0.49 11.61 +0.61 105
FNTW4 FONTENELLE DAM COOP 0.11 0.74 1.03 0.30 0.18 0.73 0.51 0.23 1.23 0.12 0.10 0.10 5.38 -2.15 71
KMRW4 KEMMERER 2N COOP 0.16 1.05 0.62 0.32 0.67 1.11 0.30 0.45 1.71 T 0.18 0.06 6.63 -3.72 64
LBGW4 LA BARGE COOP M M M M M M M M M M M M M M M
NATRONA COUNTY WY STATIONS PRECIPITATION (INCHES)
SHEF ID STATION OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP TOTAL DIFF % OF NORMAL
KCPR CASPER ASOS 1.30 1.86 0.60 0.48 0.82 0.96 1.28 0.30 0.30 0.02 0.05 0.57 8.54 -3.98 68
CSWW4 CASPER 1SW COOP 1.50 1.98 0.58 0.51 1.38 1.08 1.94 0.56 0.39 0.10 1.50 1.32 12.84 M M
CWWW4 CASPER WWTP COOP 1.88 0.85 0.86 0.47 0.81 1.17 2.06 0.47 0.33 0.19 0.27 0.91 10.27 -2.20 82
MWTW4 MIDWEST COOP 0.21 0.60 0.06 0.51 0.54 0.12 0.92 0.61 0.59 0.12 T 0.72 5.00 -7.54 39
ACVW4 PATHFINDER DAM COOP 0.72 0.65 0.75 0.64 0.42 0.92 1.10 0.10 0.36 0.14 0.06 0.54 6.40 -4.55 58
PRSW4 POWDER RIVER SCHOOL COOP 0.61 1.01 0.50 0.26 0.28 0.53 0.85 0.46 0.32 0.34 T 0.56 5.72 -4.71 54
BCRW4 BATES CREEK COOP 1.32 1.19 0.91 0.78 1.25 1.00 1.46 0.40 0.46 0.39 0.01 0.58 9.75 -3.26 74
PARK COUNTY WY STATIONS PRECIPITATION (INCHES)
SHEF ID STATION OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP TOTAL DIFF % OF NORMAL
KCOD CODY AWOS 0.21 0.17 0.04 0.02 0.09 0.04 0.12 0.50 1.93 0.04 0.08 0.15 3.39 M M
COPW4 CODY COOP 0.63 0.71 0.06 0.10 0.90 0.29 0.71 1.08 2.23 0.14 0.48 0.27 7.60 -2.96 71
BLBW4 BUFFALO BILL DAM COOP 1.23 0.49 0.02 0.01 1.35 M M 1.61 M M 0.43 1.02 M M M
OBAW4 CODY 12SE COOP 0.38 0.83 0.03 T 0.44 0.46 0.35 0.64 2.78 0.09 0.29 0.60 6.89 -2.35 74
COYW4 CODY 21SW COOP M M M M M M M M M M M M M M M
CLAW4 CLARK COOP 0.38 0.37 0.04 0.03 1.02 0.12 0.30 0.93 2.19 0.15 0.39 0.39 6.31 -0.89 87
CRDW4 CRANDALL COOP M M M M M M M M M M M M M M M
SUNW4 SUNSHINE 5NE COOP 0.49 1.08 0.19 0.12 0.87 0.42 1.00 1.64 3.34 0.39 M M M M M
WAPW4 WAPITI 1NE COOP M M M M M M M M M M M M M M M
NFKW4 PAHASKA COOP 2.84 1.34 1.40 2.41 1.88 2.75 2.76 3.36 1.95 1.31 0.52 1.40 23.92 M M
PFSW4 POWELL FIELD STN COOP 0.79 0.04 0.01 T 0.50 T 0.17 0.44 2.50 0.13 0.37 0.19 5.14 -1.66 75
SUBLETTE COUNTY WY STATIONS PRECIPITATION (INCHES)
SHEF ID STATION OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP TOTAL DIFF % OF NORMAL
KBPI BIG PINEY ASOS 0.09 0.28 T 0.13 0.05 0.04 0.42 0.26 0.89 0.12 T 0.08 2.36 M M
BPIW4 BIG PINEY COOP M M M M M M M M M M M M M M M
BNWW4 BONDURANT COOP 0.43 0.13 2.34 2.37 2.35 1.78 2.31 1.11 2.26 0.85 0.16 0.47 16.56 -2.20 88
BRSW4 BOULDER REARING STN COOP 0.30 0.77 0.15 0.90 0.49 0.41 0.84 1.07 3.18 0.45 0.05 0.04 8.65 -1.07 88
CORW4 CORA COOP M M M M M M M M M M M M M M M
PNDW4 PINEDALE COOP 0.53 1.16 0.18 1.01 0.73 0.52 1.48 1.34 3.39 0.70 0.15 0.32 11.51 +0.11 100
DANW4 DANIEL FISH HATCHERY COOP 0.42 1.03 0.37 1.05 0.91 0.46 0.99 0.76 2.59 0.60 T 0.56 9.74 -1.98 83
SWEETWATER COUNTY WY STATIONS PRECIPITATION (INCHES)
SHEF ID STATION OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP TOTAL DIFF % OF NORMAL
KRKS ROCK SPRINGS ASOS 0.12 0.31 0.14 0.01 0.03 0.25 0.63 0.25 0.90 0.23 0.09 0.42 3.38 -5.18 39
RSFW4 ROCK SPRINGS FD COOP 0.26 1.49 0.62 0.33 0.21 0.50 0.54 0.34 1.46 0.17 0.10 0.43 6.45 -3.21 66
GRNW4 GREEN RIVER COOP 0.33 1.05 0.88 0.61 0.36 0.65 0.35 0.48 2.04 0.23 0.15 0.90 8.03 -0.30 96
FGRW4 FLAMING GORGE COOP M M M M M M M M M M M M M M M
FSNW4 FARSON 2NNE COOP 0.02 0.27 0.22 0.27 0.10 0.74 0.42 0.14 1.64 0.14 0.16 0.05 4.17 -5.13 44
BITW4 BITTER CREEK 4NE COOP 0.10 0.53 0.59 0.20 0.65 0.57 0.43 0.44 0.81 0.64 0.10 0.29 5.35 -1.59 77
WMSW4 WAMSUTTER COOP 0.25 1.71 1.11 0.53 0.27 0.39 0.50 0.32 0.89 0.63 0.10 0.23 6.93 -1.25 84
TETON COUNTY WY STATIONS PRECIPITATION (INCHES)
SHEF ID STATION OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP TOTAL DIFF % OF NORMAL
KJAC JACKSON AWOS 0.38 0.63 0.79 0.64 0.74 1.89 2.21 0.78 2.13 0.26 0.21 1.34 12.00 M M
JFSW4 JACKSON COOP 0.44 0.97 0.82 2.06 1.03 2.47 1.52 0.63 1.55 0.52 0.24 1.17 13.42 -3.42 79
MOOW4 MOOSE COOP 1.12 1.03 2.16 4.09 2.36 2.43 2.78 1.55 2.61 0.66 0.19 1.85 22.83 +1.03 104
MRAW4 MORAN 5WNW COOP 1.12 0.96 2.53 3.67 2.51 2.82 2.22 1.93 2.17 1.19 0.19 1.34 22.65 +-2.00 91
DARW4 DARWIN RANCH COOP 0.33 0.98 0.65 0.80 1.12 1.08 1.12 0.08 3.88 1.00 0.28 0.71 12.03 -4.09 74
ALTW4 ALTA COOP 1.21 1.03 1.03 3.11 2.57 2.68 2.29 1.91 2.83 0.73 0.30 0.82 20.51 -4.78 81
WASHAKIE COUNTY WY STATIONS PRECIPITATION (INCHES)
SHEF ID STATION OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP TOTAL DIFF % OF NORMAL
KWRL WORLAND ASOS 0.36 0.52 T 0.15 0.40 0.06 0.50 0.48 0.77 0.11 0.13 0.62 4.10 -3.47 54
WORW4 WORLAND COOP 0.39 0.83 0.05 0.22 0.59 0.07 0.36 0.56 0.74 0.07 0.21 0.77 4.86 -2.96 62
TFRW4 TEN SLEEP 4NE COOP 1.99 1.32 0.32 0.61 1.39 0.37 1.20 1.18 1.30 0.01 0.43 0.70 10.82 -2.31 82
TNSW4 TEN SLEEP 16SSE COOP 1.84 1.54 0.44 0.67 1.06 0.48 1.26 0.77 0.56 T 0.41 0.50 9.53 -4.04 70
YELLOWSTONE NATIONAL PARK STNS PRECIPITATION (INCHES)
SHEF ID STATION OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP TOTAL DIFF % OF NORMAL
KP60 LAKE YELLOWSTONE ASOS 2.13 1.32 1.35 2.81 2.42 3.61 2.12 2.29 2.06 0.47 0.61 0.60 21.79 +1.49 107
LKYW4 LAKE YELLOWSTONE COOP 1.67 1.14 1.17 2.47 1.67 2.60 2.12 2.07 1.63 0.50 0.36 M 17.40 -2.04 89
OLFW4 OLD FAITHFUL COOP 2.29 1.19 1.49 2.41 1.91 3.68 2.19 2.75 2.18 1.40 0.49 1.20 23.18 -2.19 91
BKRW4 BECHLER RIVER COOP 2.65 M M M M M M M 4.35 1.48 0.49 0.95 M M M
EYPW4 EAST ENTRANCE COOP 2.41 1.14 1.19 2.39 1.42 2.28 2.35 2.40 1.67 1.08 0.40 1.31 20.04 M M
YLWW4 MAMMOTH COOP 1.02 1.14 0.70 0.46 1.35 2.44 0.54 3.28 1.59 1.01 0.97 0.52 15.02 +0.61 104
TWRW4 TOWER FALLS RNGR STN COOP 1.86 1.37 0.53 1.50 1.64 2.69 1.04 2.66 1.48 0.47 0.45 0.53 16.22 -0.20 98
LMRW4 LAMAR RNGR STN COOP 1.42 1.21 0.55 1.41 2.37 1.13 1.03 1.97 2.26 0.63 0.71 0.43 15.12 M M
SNKW4 SNAKE RIVER RNGR STN COOP 2.25 1.08 2.95 5.45 2.44 3.68 3.25 2.79 2.00 2.16 0.39 0.97 29.41 -0.58 98
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