075
CDUS45 KRIW 130045
CLILND
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
645 PM MDT FRI SEP 12 2025
...............................
..THE LANDER WY CLIMATE SUMMARY FOR SEPTEMBER 12 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 74 3:04 PM 94 1990 77 -3 72
MINIMUM 52 6:32 AM 26 1902 46 6 44
AVERAGE 63 61 2 58
PRECIPITATION (IN)
TODAY 0.00 0.69 2013 0.03 -0.03 T
MONTH TO DATE 0.02 0.27 -0.25 0.36
SINCE SEP 1 0.02 0.27 -0.25 0.36
SINCE JAN 1 10.03 9.71 0.32 7.38
SNOWFALL (IN)
TODAY MM 0.1 MM 0.0
MONTH TO DATE 0.0 0.2 -0.2 0.0
SINCE SEP 1 0.0 0.2 -0.2 0.0
SINCE JUL 1 0.0 0.2 -0.2 0.0
SNOW DEPTH MM
DEGREE DAYS
HEATING
TODAY 2 5 -3 7
MONTH TO DATE 13 43 -30 11
SINCE SEP 1 13 43 -30 11
SINCE JUL 1 18 82 -64 29
COOLING
TODAY 0 1 -1 0
MONTH TO DATE 40 24 16 57
SINCE SEP 1 40 24 16 57
SINCE JAN 1 567 476 91 618
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION S (160)
HIGHEST GUST SPEED 25 HIGHEST GUST DIRECTION S (160)
AVERAGE WIND SPEED 6.0
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.1
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
THUNDERSTORM
RELATIVE HUMIDITY (PERCENT)
HIGHEST 52
LOWEST 30
AVERAGE 41
......................................................
THE LANDER WY CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 76 89 2015
MINIMUM TEMPERATURE (F) 46 25 1914
SUNRISE AND SUNSET
SEPTEMBER 12 2025.....SUNRISE 6:52 AM MDT SUNSET 7:29 PM MDT
SEPTEMBER 13 2025.....SUNRISE 6:53 AM MDT SUNSET 7:28 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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