180
CDUS45 KRIW 100731
CLILND
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
131 AM MDT WED SEP 10 2025
...............................
..THE LANDER WY CLIMATE SUMMARY FOR SEPTEMBER 9 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 4:06 PM 94 2021 78 -2 88
MINIMUM 52 6:29 AM 21 2020 47 5 59
AVERAGE 64 63 1
PRECIPITATION (IN)
YESTERDAY 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)
YESTERDAY 0.0 0.0 2020 0.0 0.0 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 0
DEGREE DAYS
HEATING
YESTERDAY 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
YESTERDAY 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
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WIND (MPH)
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION SW (240)
HIGHEST GUST SPEED 23 HIGHEST GUST DIRECTION SW (230)
AVERAGE WIND SPEED 6.8
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.1
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
LIGHT RAIN
RELATIVE HUMIDITY (PERCENT)
HIGHEST 47 11:00 PM
LOWEST 26 1:00 AM
AVERAGE 37
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THE LANDER WY CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 78 93 2021
MINIMUM TEMPERATURE (F) 47 30 2020
SUNRISE AND SUNSET
SEPTEMBER 10 2025.....SUNRISE 6:50 AM MDT SUNSET 7:33 PM MDT
SEPTEMBER 11 2025.....SUNRISE 6:51 AM MDT SUNSET 7:31 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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