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CDUS45 KRIW 260734
CLILND
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
134 AM MDT FRI SEP 26 2025
...............................
..THE LANDER WY CLIMATE SUMMARY FOR SEPTEMBER 25 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 78 4:22 PM 90 2024 70 8 90
MINIMUM 48 6:57 AM 10 1926 41 7 48
AVERAGE 63 55 8
PRECIPITATION (IN)
YESTERDAY 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)
YESTERDAY 0.0 2.8 1955 0.1 -0.1 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 0
DEGREE DAYS
HEATING
YESTERDAY 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
YESTERDAY 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
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WIND (MPH)
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION SW (230)
HIGHEST GUST SPEED 20 HIGHEST GUST DIRECTION SW (230)
AVERAGE WIND SPEED 5.1
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.0
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
HAZE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 80 4:00 AM
LOWEST 24 9:00 PM
AVERAGE 52
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THE LANDER WY CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 69 90 2015
MINIMUM TEMPERATURE (F) 41 21 1934
SUNRISE AND SUNSET
SEPTEMBER 26 2025.....SUNRISE 7:07 AM MDT SUNSET 7:04 PM MDT
SEPTEMBER 27 2025.....SUNRISE 7:08 AM MDT SUNSET 7:03 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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