Climatological Report (Daily)
Issued by NWS
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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.
$$