960
CDUS45 KRIW 260045
CLILND
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
645 PM MDT THU SEP 25 2025
...............................
..THE LANDER WY CLIMATE SUMMARY FOR SEPTEMBER 25 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 78 4:22 PM 90 2024 70 8 90
MINIMUM 48 6:57 AM 10 1926 41 7 48
AVERAGE 63 55 8 69
PRECIPITATION (IN)
TODAY 0.00 1.66 1915 0.04 -0.04 0.00
MONTH TO DATE 1.15 0.75 0.40 0.40
SINCE SEP 1 1.15 0.75 0.40 0.40
SINCE JAN 1 11.16 10.19 0.97 7.42
SNOWFALL (IN)
TODAY MM 0.1 MM 0.0
MONTH TO DATE 0.0 0.9 -0.9 0.0
SINCE SEP 1 0.0 0.9 -0.9 0.0
SINCE JUL 1 0.0 0.9 -0.9 0.0
SNOW DEPTH MM
DEGREE DAYS
HEATING
TODAY 2 10 -8 0
MONTH TO DATE 92 138 -46 75
SINCE SEP 1 92 138 -46 75
SINCE JUL 1 97 177 -80 93
COOLING
TODAY 0 0 0 4
MONTH TO DATE 42 31 11 64
SINCE SEP 1 42 31 11 64
SINCE JAN 1 569 483 86 625
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 9 HIGHEST WIND DIRECTION N (360)
HIGHEST GUST SPEED 14 HIGHEST GUST DIRECTION NW (320)
AVERAGE WIND SPEED 3.5
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 80
LOWEST 29
AVERAGE 55
......................................................
THE LANDER WY CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 69 90 2015
MINIMUM TEMPERATURE (F) 41 21 1934
SUNRISE AND SUNSET
SEPTEMBER 25 2025.....SUNRISE 7:06 AM MDT SUNSET 7:06 PM MDT
SEPTEMBER 26 2025.....SUNRISE 7:07 AM MDT SUNSET 7:04 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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