145
CDUS45 KRIW 250727
CLILND
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
127 AM MDT THU SEP 25 2025
...............................
..THE LANDER WY CLIMATE SUMMARY FOR SEPTEMBER 24 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 76 2:43 PM 87 2014 70 6 82
2020
MINIMUM 43 6:33 AM 17 2000 41 2 45
AVERAGE 60 56 4
PRECIPITATION (IN)
YESTERDAY 0.00 1.50 1900 0.05 -0.05 0.00
MONTH TO DATE 1.15 0.71 0.44 0.40
SINCE SEP 1 1.15 0.71 0.44 0.40
SINCE JAN 1 11.16 10.15 1.01 7.42
SNOWFALL (IN)
YESTERDAY 0.0 3.2 1970 0.1 -0.1 0.0
MONTH TO DATE 0.0 0.8 -0.8 0.0
SINCE SEP 1 0.0 0.8 -0.8 0.0
SINCE JUL 1 0.0 0.8 -0.8 0.0
SNOW DEPTH MM
DEGREE DAYS
HEATING
YESTERDAY 5 9 -4 1
MONTH TO DATE 90 128 -38 75
SINCE SEP 1 90 128 -38 75
SINCE JUL 1 95 167 -72 93
COOLING
YESTERDAY 0 0 0 0
MONTH TO DATE 42 31 11 60
SINCE SEP 1 42 31 11 60
SINCE JAN 1 569 483 86 621
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WIND (MPH)
HIGHEST WIND SPEED 10 HIGHEST WIND DIRECTION E (100)
HIGHEST GUST SPEED 16 HIGHEST GUST DIRECTION N (360)
AVERAGE WIND SPEED 3.1
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.0
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 89 5:00 AM
LOWEST 27 4:00 PM
AVERAGE 58
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THE LANDER WY CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 70 90 2024
MINIMUM TEMPERATURE (F) 41 10 1926
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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