A low pressure center tracking across the Great Lakes and its associated cold front extending across the Southern Plains will focus occasional showers and thunderstorms through tonight. A few of these thunderstorms may become severe alongside heavy rainfall that may cause flash flooding; Portions of the Southern Plains would be the greatest threat for these hazards through tonight. Read More >
PRELIMINARY WATER YEAR PRECIPITATION TOTALS DATA AS OF: OCTOBER 2017 FILE CREATED AT: Wed Dec 13 00:02:38 GMT 2017 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 1.18 0.23 0.03 0.11 0.10 0.30 0.51 0.52 0.28 0.09 0.07 2.00 5.42 -2.09 72 GBLW4 GREYBULL COOP 1.36 0.41 0.59 0.44 0.60 0.28 0.61 0.47 M M M M M M M SHLW4 SHELL 1NE COOP 2.96 M M M M M M M M M M M M M M BSNW4 BASIN COOP 2.27 0.57 0.65 0.32 0.44 0.32 1.52 1.23 0.32 0.25 0.73 2.40 11.05 +4.21 161 DEVW4 DEAVER COOP 1.21 0.20 0.46 0.46 0.33 0.25 1.66 0.90 0.73 0.11 0.18 1.27 7.76 +2.36 143 EMBW4 EMBLEM COOP 2.08 0.18 0.63 0.44 0.59 0.20 1.84 0.84 0.70 0.19 0.37 2.16 10.24 +2.87 138 LOVW4 LOVELL COOP 2.01 0.19 0.40 0.40 0.25 0.08 2.02 0.72 0.73 0.41 0.50 2.14 9.85 +3.51 155 RONW4 RAIRDEN 2WSW COOP 2.39 0.68 0.38 0.40 0.25 0.41 1.65 0.58 0.18 0.32 0.59 2.08 10.02 +2.96 141 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 0.98 1.49 0.90 1.27 1.11 4.65 3.27 2.20 0.26 0.43 M M 17.89 +6.89 162 LNRW4 LANDER 1N COOP 1.09 1.61 0.67 1.21 1.39 2.62 5.45 2.13 0.35 0.29 1.40 1.70 21.02 +9.86 188 KRIW RIVERTON ASOS 1.39 0.55 0.77 1.01 0.85 3.71 3.19 1.40 0.20 0.15 0.94 1.73 16.50 +7.07 174 RIVW4 RIVERTON COOP 1.55 0.75 0.93 1.12 0.96 2.45 4.70 1.34 0.49 0.37 1.09 1.71 17.99 +9.57 213 ATLW4 ATLANTIC CITY COOP 1.71 1.15 3.54 3.40 4.33 2.81 3.37 1.97 0.66 0.67 1.53 2.36 27.72 M M JEFW4 JEFFREY CITY COOP 0.50 0.31 0.72 0.84 1.51 0.98 1.80 1.40 0.22 0.73 0.35 1.58 11.16 +1.10 110 SBDW4 BOYSEN DAM COOP 2.74 0.27 0.40 0.35 0.47 1.53 4.14 1.40 0.39 0.49 0.73 2.58 16.58 +7.70 186 SSHW4 SHOSHONI COOP 2.37 0.26 0.61 1.06 0.50 1.93 3.03 1.19 0.39 0.25 0.20 2.08 14.57 +7.04 193 DBOW4 DUBOIS COOP 1.79 0.50 1.05 0.84 2.06 1.84 1.02 1.12 1.59 1.09 1.32 4.10 19.27 +9.36 194 BRRW4 BURRIS COOP 0.88 0.80 0.60 0.59 0.69 1.25 0.35 0.75 2.24 0.38 0.66 3.09 12.42 +3.96 146 PVLW4 PAVILLION COOP 1.56 0.62 0.56 0.70 0.18 2.22 1.91 0.99 0.81 0.33 1.12 2.03 13.55 +5.63 171 MTNW4 DIVERSION DAM COOP 2.03 0.37 0.66 0.86 0.90 2.65 2.04 1.58 0.63 0.53 0.39 1.95 15.10 +6.01 166 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 2.49 0.94 0.35 0.50 0.41 3.41 5.02 1.48 0.85 0.52 0.29 2.62 18.89 +7.18 161 BMTW4 THERMOPOLIS 9NE COOP 2.78 1.47 0.57 0.36 0.40 2.18 4.48 1.46 0.63 0.34 0.41 2.48 18.31 +5.62 144 HDMW4 HAMILTON DOME COOP M M M M M M M M M M M M M M M BTXW4 BLACK MOUNTAIN COOP 2.39 1.82 0.87 1.10 0.68 2.93 7.21 1.53 0.82 0.23 0.29 3.87 25.06 +10.81 175 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 1.99 0.49 0.25 0.10 0.33 2.02 3.18 2.65 1.70 1.41 0.51 1.79 16.69 +3.24 124 BUFW4 BUFFALO COOP 2.26 0.93 1.37 0.32 0.72 2.00 5.50 2.25 1.58 0.81 0.44 1.68 20.20 +6.96 152 BFFW4 BUFFALO 5WSW COOP 2.91 0.45 1.16 0.43 0.89 3.60 5.65 3.29 1.70 1.77 0.13 2.23 24.49 M M BLYW4 BILLY CREEK COOP M M M M M M M M M M M M M M M KCEW4 KAYCEE COOP 0.61 0.20 0.80 0.32 0.54 0.83 5.09 2.34 0.70 0.12 0.37 0.62 13.88 +1.51 112 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 4.49 0.70 1.55 3.07 3.00 1.36 2.99 0.63 0.95 0.31 0.39 4.08 24.16 +6.00 133 BDFW4 BEDFORD 3SE COOP 5.99 1.37 2.86 4.82 5.26 2.36 4.77 1.02 2.17 0.18 0.14 5.15 36.90 +15.50 172 CKEW4 COKEVILLE COOP M M M M M M M M M M M M M M M FBMW4 FOSSIL BUTTE NAT MON COOP 2.96 0.72 1.50 3.25 2.29 2.76 2.16 0.69 0.59 0.02 1.40 3.22 22.06 +11.06 200 FNTW4 FONTENELLE DAM COOP 1.09 0.17 0.50 2.05 0.65 2.42 1.19 0.62 T 0.34 0.73 1.74 11.55 +4.02 153 KMRW4 KEMMERER 2N COOP 1.70 0.36 0.73 2.51 1.58 2.31 2.02 1.82 0.25 0.69 0.36 3.39 17.93 +7.58 173 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 0.16 0.38 1.31 0.54 0.81 1.79 2.21 2.25 1.01 0.37 0.94 1.42 14.27 +1.75 113 CSWW4 CASPER 1SW COOP 0.33 0.63 2.01 0.88 1.23 1.38 3.93 2.58 1.38 1.05 1.15 2.02 20.25 M M CWWW4 CASPER WWTP COOP 0.10 0.46 1.90 0.72 0.61 1.02 2.91 2.27 1.19 1.30 1.51 1.69 16.38 +3.91 131 MWTW4 MIDWEST COOP 0.24 0.27 0.88 0.37 0.86 0.63 2.78 1.40 1.52 0.00 0.00 0.40 10.37 -2.17 82 ACVW4 PATHFINDER DAM COOP 0.27 0.99 0.64 0.57 0.75 1.55 1.82 1.96 0.38 0.65 1.35 1.30 12.89 +1.94 117 PRSW4 POWDER RIVER SCHOOL COOP 0.47 0.42 0.98 0.40 0.60 1.49 3.56 1.70 0.21 0.28 0.76 1.61 13.24 +2.81 126 BCRW4 BATES CREEK COOP 0.40 0.52 1.64 1.00 1.07 0.77 2.86 1.48 0.49 1.27 1.41 1.64 14.98 +1.97 115 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 M M M M M M M M M M M 1.83 M M M COPW4 CODY COOP 2.13 0.29 2.17 1.03 0.81 0.36 3.13 1.62 1.16 1.01 0.53 2.76 17.59 +7.03 166 BLBW4 BUFFALO BILL DAM COOP 3.50 0.60 2.17 1.38 0.96 0.40 5.91 2.10 0.94 1.46 0.61 1.97 23.93 +13.29 224 OBAW4 CODY 12SE COOP 0.44 0.25 1.15 0.53 1.11 0.07 3.34 1.18 1.07 0.78 0.49 2.01 12.44 +3.20 134 COYW4 CODY 21SW COOP M M M M M M M M M M M M M M M CLAW4 CLARK COOP 1.01 0.18 0.65 0.45 0.59 0.23 1.61 1.14 0.69 0.67 0.47 1.66 9.47 +2.27 131 CRDW4 CRANDALL COOP M M M M M M M M M M M M M M M SUNW4 SUNSHINE 5NE COOP 1.46 1.06 0.84 0.41 0.93 0.97 3.35 1.95 1.31 0.49 0.93 2.90 17.38 +3.74 127 WAPW4 WAPITI 1NE COOP M 0.41 4.36 1.50 1.99 1.24 1.39 1.08 1.19 1.11 M M M M M NFKW4 PAHASKA COOP 7.09 1.67 5.11 2.33 6.24 4.19 2.40 1.63 2.76 1.00 0.71 5.25 42.08 M M PFSW4 POWELL FIELD STN COOP 1.40 0.24 0.13 0.29 0.47 0.42 1.70 0.78 0.92 0.37 0.13 1.82 8.68 +1.88 127 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 2.47 0.53 0.55 0.99 0.75 1.45 1.17 1.10 0.14 0.86 0.64 1.72 12.38 M M BPIW4 BIG PINEY COOP M M M M M M M M M M M M M M M BNWW4 BONDURANT COOP 3.53 0.76 4.90 4.42 M M M 0.51 2.62 0.37 0.68 3.77 M M M BRSW4 BOULDER REARING STN COOP 2.84 0.93 0.85 2.02 0.89 1.17 1.64 0.61 0.50 0.59 0.37 2.66 15.23 +5.51 156 CORW4 CORA COOP M M M M M M M M M M M M M M M PNDW4 PINEDALE COOP 3.29 1.00 1.45 1.90 2.01 1.41 1.53 0.96 1.63 0.80 0.61 2.36 19.20 +7.80 168 DANW4 DANIEL FISH HATCHERY COOP 2.44 0.33 2.27 2.32 1.60 0.73 1.13 0.66 1.69 0.27 0.50 2.45 16.52 +4.80 140 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 0.46 0.14 0.08 0.49 0.41 1.43 0.55 0.64 0.02 0.14 0.70 0.77 5.85 -2.71 68 RSFW4 ROCK SPRINGS FD COOP 0.93 0.87 0.45 1.56 1.83 1.91 1.08 0.87 0.26 0.82 0.98 0.94 12.60 +2.94 130 GRNW4 GREEN RIVER COOP 1.56 1.00 0.40 2.78 2.19 1.75 2.06 1.33 0.17 0.28 1.10 1.70 16.39 +8.06 196 FGRW4 FLAMING GORGE COOP 0.94 0.10 0.15 0.34 0.56 1.40 0.67 0.50 0.03 0.66 0.35 1.66 7.41 -2.32 76 FSNW4 FARSON 2NNE COOP 1.50 0.54 0.74 1.57 0.82 0.85 1.31 1.45 0.21 0.11 1.92 1.54 12.79 +3.49 137 BITW4 BITTER CREEK 4NE COOP 0.91 0.20 0.22 0.66 0.57 1.46 0.33 0.84 0.04 0.16 0.98 1.07 7.48 +0.54 107 WMSW4 WAMSUTTER COOP 0.81 0.59 0.40 1.33 0.56 0.91 0.44 0.98 0.18 0.94 1.17 1.07 9.53 +1.35 116 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 M M M M M M M M M M M 3.50 M M M JFSW4 JACKSON COOP 5.03 0.91 3.22 2.88 5.75 1.09 1.05 0.73 1.95 1.43 0.71 2.96 28.81 +11.97 171 MOOW4 MOOSE COOP 5.25 1.70 5.27 3.39 5.88 2.03 2.79 0.74 3.07 0.64 0.40 3.36 35.52 +13.72 162 MRAW4 MORAN 5WNW COOP 6.43 0.71 5.80 3.87 6.56 3.84 2.19 0.97 2.90 1.45 0.73 3.63 41.29 +16.64 167 DARW4 DARWIN RANCH COOP 4.52 0.66 2.17 2.29 4.83 1.14 1.05 1.00 2.89 0.82 1.11 3.87 27.29 +11.17 169 ALTW4 ALTA COOP 5.86 1.19 3.14 1.91 3.23 2.28 5.15 0.83 2.46 0.78 0.33 3.83 33.43 +8.14 132 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 2.35 0.96 0.19 0.20 0.20 0.98 2.50 0.92 0.36 0.16 0.18 2.07 11.30 +3.73 149 WORW4 WORLAND COOP 2.67 0.79 0.29 0.35 0.97 0.76 2.64 1.12 0.42 0.28 0.35 2.45 13.25 +5.43 169 TFRW4 TEN SLEEP 4NE COOP 2.24 1.34 1.23 0.79 0.75 2.32 5.25 1.17 0.67 0.79 0.22 3.51 21.44 +8.31 163 TNSW4 TEN SLEEP 16SSE COOP 1.75 0.86 1.20 0.83 0.47 2.24 6.53 1.20 0.98 0.47 0.59 2.55 21.16 +7.59 155 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 5.78 1.34 3.10 2.69 7.55 2.49 3.39 1.09 1.98 1.80 1.31 3.33 36.54 +16.24 180 LKYW4 LAKE YELLOWSTONE COOP 5.56 1.11 2.64 2.10 5.29 2.42 2.99 0.93 2.06 1.72 0.94 4.65 32.67 +11.77 156 OLFW4 OLD FAITHFUL COOP 8.18 1.24 4.08 2.88 7.27 M 2.04 0.92 2.25 1.55 0.50 5.50 40.19 +17.03 173 BKRW4 BECHLER RIVER COOP 9.09 M M M M M M M 4.44 2.07 0.72 3.95 M M M EYPW4 EAST ENTRANCE COOP 6.93 1.56 4.51 2.12 5.22 2.64 1.81 0.61 2.93 1.16 0.89 4.41 36.36 M M YLWW4 MAMMOTH COOP 4.47 0.69 1.88 0.83 1.29 0.84 1.72 0.73 1.20 1.71 0.60 4.23 20.66 +6.25 143 TWRW4 TOWER FALLS RNGR STN COOP 4.15 1.10 1.40 0.97 1.87 0.91 2.00 1.15 1.26 0.90 0.55 4.42 21.13 +4.71 128 LMRW4 LAMAR RNGR STN COOP 4.37 1.10 1.02 0.87 2.19 1.07 1.79 1.00 1.31 0.59 0.82 4.29 20.97 M M SNKW4 SNAKE RIVER RNGR STN COOP 6.86 1.84 8.85 4.62 6.68 4.62 4.36 1.05 3.30 0.73 0.61 4.15 49.32 +19.33 164