434
CDUS45 KRIW 240727
CLILND
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
127 AM MDT WED SEP 24 2025
...............................
..THE LANDER WY CLIMATE SUMMARY FOR SEPTEMBER 23 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 65 3:10 PM 89 1905 71 -6 78
MINIMUM 47 5:32 AM 19 1895 42 5 42
AVERAGE 56 56 0
PRECIPITATION (IN)
YESTERDAY T 0.42 1891 0.04 -0.04 0.00
MONTH TO DATE 1.15 0.66 0.49 0.40
SINCE SEP 1 1.15 0.66 0.49 0.40
SINCE JAN 1 11.16 10.10 1.06 7.42
SNOWFALL (IN)
YESTERDAY MM 2.4 1961 0.0 MM 0.0
MONTH TO DATE 0.0 0.7 -0.7 0.0
SINCE SEP 1 0.0 0.7 -0.7 0.0
SINCE JUL 1 0.0 0.7 -0.7 0.0
SNOW DEPTH MM
DEGREE DAYS
HEATING
YESTERDAY 9 9 0 5
MONTH TO DATE 85 119 -34 74
SINCE SEP 1 85 119 -34 74
SINCE JUL 1 90 158 -68 92
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 SW (240)
HIGHEST GUST SPEED 12 HIGHEST GUST DIRECTION E (110)
AVERAGE WIND SPEED 3.8
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.6
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
LIGHT RAIN
RELATIVE HUMIDITY (PERCENT)
HIGHEST 83 6:00 AM
LOWEST 44 2:00 PM
AVERAGE 64
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THE LANDER WY CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 70 87 2014
2020
MINIMUM TEMPERATURE (F) 41 17 2000
SUNRISE AND SUNSET
SEPTEMBER 24 2025.....SUNRISE 7:05 AM MDT SUNSET 7:08 PM MDT
SEPTEMBER 25 2025.....SUNRISE 7:06 AM MDT SUNSET 7:06 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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