Climatological Report (Daily)
Issued by NWS
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895
CDUS45 KRIW 110727
CLILND
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
127 AM MDT MON AUG 11 2025
...................................
...THE LANDER WY CLIMATE SUMMARY FOR AUGUST 10 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 81 5:33 PM 99 2022 87 -6 74
MINIMUM 49 6:15 AM 41 1895 55 -6 53
1939
1974
AVERAGE 65 71 -6
PRECIPITATION (IN)
YESTERDAY 0.00 0.43 1908 0.02 -0.02 0.18
MONTH TO DATE T 0.20 -0.20 0.31
SINCE JUN 1 0.98 1.87 -0.89 0.73
SINCE JAN 1 9.54 9.12 0.42 6.59
SNOWFALL (IN)
YESTERDAY 0.0 0.0 2020 0.0 0.0 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 0
DEGREE DAYS
HEATING
YESTERDAY 0 0 0 1
MONTH TO DATE 2 0 2 1
SINCE JUN 1 92 138 -46 42
SINCE JUL 1 4 14 -10 7
COOLING
YESTERDAY 0 7 -7 0
MONTH TO DATE 61 74 -13 86
SINCE JUN 1 385 347 38 451
SINCE JAN 1 393 352 41 451
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION NE (30)
HIGHEST GUST SPEED 17 HIGHEST GUST DIRECTION E (90)
AVERAGE WIND SPEED 6.2
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.3
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 53 7:00 AM
LOWEST 17 5:00 PM
AVERAGE 35
..........................................................
THE LANDER WY CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 87 98 2018
MINIMUM TEMPERATURE (F) 55 35 1907
SUNRISE AND SUNSET
AUGUST 11 2025........SUNRISE 6:17 AM MDT SUNSET 8:22 PM MDT
AUGUST 12 2025........SUNRISE 6:18 AM MDT SUNSET 8:21 PM MDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$