


Climatological Report (Daily)
Issued by NWS
Issued by NWS
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822 CDUS45 KRIW 200045 CLILND CLIMATE REPORT NATIONAL WEATHER SERVICE RIVERTON WY 645 PM MDT TUE AUG 19 2025 ................................... ...THE LANDER WY CLIMATE SUMMARY FOR AUGUST 19 2025... VALID TODAY AS OF 0600 PM LOCAL TIME. 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) TODAY MAXIMUM 97R 3:19 PM 96 2013 85 12 93 MINIMUM 56 5:56 AM 38 1912 53 3 63 AVERAGE 77 69 8 78 PRECIPITATION (IN) TODAY 0.00 1.00 1979 0.02 -0.02 0.00 MONTH TO DATE 0.05 0.34 -0.29 0.45 SINCE JUN 1 1.03 2.01 -0.98 0.87 SINCE JAN 1 9.59 9.26 0.33 6.73 SNOWFALL (IN) TODAY MM 0.0 MM 0.0 MONTH TO DATE 0.0 0.0 0.0 0.0 SINCE JUN 1 0.0 0.1 -0.1 0.0 SINCE JUL 1 0.0 0.0 0.0 0.0 SNOW DEPTH MM DEGREE DAYS HEATING TODAY 0 1 -1 0 MONTH TO DATE 2 5 -3 1 SINCE JUN 1 92 143 -51 42 SINCE JUL 1 4 19 -15 7 COOLING TODAY 12 5 7 13 MONTH TO DATE 140 127 13 135 SINCE JUN 1 464 400 64 500 SINCE JAN 1 472 405 67 500 ................................................................... WIND (MPH) HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION E (110) HIGHEST GUST SPEED 24 HIGHEST GUST DIRECTION E (110) AVERAGE WIND SPEED 6.5 SKY COVER POSSIBLE SUNSHINE MM AVERAGE SKY COVER 0.0 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED TODAY. NO SIGNIFICANT WEATHER WAS OBSERVED. RELATIVE HUMIDITY (PERCENT) HIGHEST 34 LOWEST 8 AVERAGE 21 .......................................................... THE LANDER WY CLIMATE NORMALS FOR TOMORROW NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 85 94 2003 2019 2024 MINIMUM TEMPERATURE (F) 53 38 1964 SUNRISE AND SUNSET AUGUST 19 2025........SUNRISE 6:26 AM MDT SUNSET 8:10 PM MDT AUGUST 20 2025........SUNRISE 6:27 AM MDT SUNSET 8:09 PM MDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$