877
CDUS45 KRIW 160045
CLILND
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
645 PM MDT FRI AUG 15 2025
...............................
..THE LANDER WY CLIMATE SUMMARY FOR AUGUST 15 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 88 12:29 PM 97 2000 86 2 83
MINIMUM 62 4:33 AM 36 1893 54 8 47
AVERAGE 75 70 5 65
PRECIPITATION (IN)
TODAY 0.01 0.74 2008 0.02 -0.01 0.01
MONTH TO DATE 0.01 0.28 -0.27 0.45
SINCE JUN 1 0.99 1.95 -0.96 0.87
SINCE JAN 1 9.55 9.20 0.35 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 1 1 1
SINCE JUN 1 92 139 -47 42
SINCE JUL 1 4 15 -11 7
COOLING
TODAY 10 6 4 0
MONTH TO DATE 105 105 0 100
SINCE JUN 1 429 378 51 465
SINCE JAN 1 437 383 54 465
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 30 HIGHEST WIND DIRECTION N (340)
HIGHEST GUST SPEED 39 HIGHEST GUST DIRECTION N (350)
AVERAGE WIND SPEED 7.5
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.1
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
LIGHT RAIN
RELATIVE HUMIDITY (PERCENT)
HIGHEST 52
LOWEST 19
AVERAGE 36
......................................................
THE LANDER WY CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 86 95 2007
2021
2023
MINIMUM TEMPERATURE (F) 54 33 1893
SUNRISE AND SUNSET
AUGUST 15 2025........SUNRISE 6:22 AM MDT SUNSET 8:16 PM MDT
AUGUST 16 2025........SUNRISE 6:23 AM MDT SUNSET 8:15 PM MDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
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