Climatological Report (Daily)
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CDUS45 KRIW 100045
CLILND
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
645 PM MDT TUE SEP 09 2025
...................................
...THE LANDER WY CLIMATE SUMMARY FOR SEPTEMBER 9 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 76 4:06 PM 94 2021 78 -2 88
MINIMUM 52 6:29 AM 21 2020 47 5 59
AVERAGE 64 63 1 74
PRECIPITATION (IN)
TODAY 0.01 0.85 1912 0.03 -0.02 0.00
MONTH TO DATE 0.02 0.19 -0.17 0.31
SINCE SEP 1 0.02 0.19 -0.17 0.31
SINCE JAN 1 10.03 9.63 0.40 7.33
SNOWFALL (IN)
TODAY MM 0.0 MM 0.0
MONTH TO DATE 0.0 0.1 -0.1 0.0
SINCE SEP 1 0.0 0.1 -0.1 0.0
SINCE JUL 1 0.0 0.1 -0.1 0.0
SNOW DEPTH MM
DEGREE DAYS
HEATING
TODAY 1 4 -3 0
MONTH TO DATE 11 29 -18 4
SINCE SEP 1 11 29 -18 4
SINCE JUL 1 16 68 -52 22
COOLING
TODAY 0 2 -2 9
MONTH TO DATE 29 20 9 49
SINCE SEP 1 29 20 9 49
SINCE JAN 1 556 472 84 610
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION SW (240)
HIGHEST GUST SPEED 23 HIGHEST GUST DIRECTION SW (230)
AVERAGE WIND SPEED 7.4
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.1
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 44
LOWEST 26
AVERAGE 35
..........................................................
THE LANDER WY CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 78 93 2021
MINIMUM TEMPERATURE (F) 47 30 2020
SUNRISE AND SUNSET
SEPTEMBER 9 2025.....SUNRISE 6:49 AM MDT SUNSET 7:35 PM MDT
SEPTEMBER 10 2025.....SUNRISE 6:50 AM MDT SUNSET 7:33 PM MDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$