


Climatological Report (Daily)
Issued by NWS
Issued by NWS
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428 CDUS45 KRIW 180728 CLILND CLIMATE REPORT NATIONAL WEATHER SERVICE RIVERTON WY 128 AM MDT SAT OCT 18 2025 ................................... ...THE LANDER WY CLIMATE SUMMARY FOR OCTOBER 17 2025... CLIMATE NORMAL PERIOD: 1991 TO 2020 CLIMATE RECORD PERIOD: 1891 TO 2025 WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST VALUE (LST) VALUE VALUE FROM YEAR NORMAL ................................................................... TEMPERATURE (F) YESTERDAY MAXIMUM 60 3:28 PM 76 1926 58 2 61 1974 2023 MINIMUM 32 5:05 AM 9 1925 32 0 41 AVERAGE 46 45 1 PRECIPITATION (IN) YESTERDAY 0.00 1.03 1994 0.05 -0.05 0.02 MONTH TO DATE 1.44 0.87 0.57 0.02 SINCE SEP 1 2.64 1.85 0.79 0.42 SINCE JAN 1 12.65 11.29 1.36 7.44 SNOWFALL (IN) YESTERDAY 0.0 3.6 1994 0.4 -0.4 0.0 MONTH TO DATE T 5.3 -5.3 0.0 SINCE SEP 1 T 6.8 -6.8 0.0 SINCE JUL 1 T 6.8 -6.8 0.0 SNOW DEPTH MM DEGREE DAYS HEATING YESTERDAY 19 20 -1 14 MONTH TO DATE 240 281 -41 99 SINCE SEP 1 339 476 -137 183 SINCE JUL 1 344 515 -171 201 COOLING YESTERDAY 0 0 0 0 MONTH TO DATE 0 0 0 0 SINCE SEP 1 42 32 10 83 SINCE JAN 1 569 484 85 644 ................................................................... WIND (MPH) HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION SW (230) HIGHEST GUST SPEED 17 HIGHEST GUST DIRECTION S (180) AVERAGE WIND SPEED 4.8 SKY COVER POSSIBLE SUNSHINE MM AVERAGE SKY COVER 0.0 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. FOG RELATIVE HUMIDITY (PERCENT) HIGHEST 96 1:00 AM LOWEST 33 3:00 PM AVERAGE 65 .......................................................... THE LANDER WY CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 58 80 1958 MINIMUM TEMPERATURE (F) 31 9 1917 SUNRISE AND SUNSET OCTOBER 18 2025.......SUNRISE 7:32 AM MDT SUNSET 6:27 PM MDT OCTOBER 19 2025.......SUNRISE 7:33 AM MDT SUNSET 6:25 PM MDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$