928
CDUS45 KRIW 120728
CLILND
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
128 AM MDT FRI SEP 12 2025
...............................
..THE LANDER WY CLIMATE SUMMARY FOR SEPTEMBER 11 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 84 12:29 PM 88 1919 77 7 81
1990
MINIMUM 60 11:52 PM 26 1898 46 14 54
AVERAGE 72 62 10
PRECIPITATION (IN)
YESTERDAY T 1.31 1903 0.03 -0.03 0.04
MONTH TO DATE 0.02 0.24 -0.22 0.36
SINCE SEP 1 0.02 0.24 -0.22 0.36
SINCE JAN 1 10.03 9.68 0.35 7.38
SNOWFALL (IN)
YESTERDAY 0.0 3.0 1974 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 0 5 -5 0
MONTH TO DATE 11 38 -27 4
SINCE SEP 1 11 38 -27 4
SINCE JUL 1 16 77 -61 22
COOLING
YESTERDAY 7 1 6 3
MONTH TO DATE 40 23 17 57
SINCE SEP 1 40 23 17 57
SINCE JAN 1 567 475 92 618
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WIND (MPH)
HIGHEST WIND SPEED 54 HIGHEST WIND DIRECTION S (180)
HIGHEST GUST SPEED 67 HIGHEST GUST DIRECTION SW (210)
AVERAGE WIND SPEED 13.2
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.1
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
LIGHT RAIN
RELATIVE HUMIDITY (PERCENT)
HIGHEST 44 4:00 AM
LOWEST 14 12:00 PM
AVERAGE 29
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THE LANDER WY CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 77 94 1990
MINIMUM TEMPERATURE (F) 46 26 1902
SUNRISE AND SUNSET
SEPTEMBER 12 2025.....SUNRISE 6:52 AM MDT SUNSET 7:29 PM MDT
SEPTEMBER 13 2025.....SUNRISE 6:53 AM MDT SUNSET 7:28 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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