936
CDUS45 KRIW 210729
CLILND
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
129 AM MDT THU AUG 21 2025
...............................
..THE LANDER WY CLIMATE SUMMARY FOR AUGUST 20 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 99R 3:05 PM 94 2003 85 14 94
2019
2024
MINIMUM 59 5:06 AM 38 1964 53 6 61
AVERAGE 79 69 10
PRECIPITATION (IN)
YESTERDAY 0.00 0.62 1915 0.01 -0.01 0.00
MONTH TO DATE 0.05 0.35 -0.30 0.45
SINCE JUN 1 1.03 2.02 -0.99 0.87
SINCE JAN 1 9.59 9.27 0.32 6.73
SNOWFALL (IN)
YESTERDAY 0.0 0.0 2020 0.0 0.0 0.0
MONTH TO DATE 0.0 0.0 0.0 0.0
SINCE JUN 1 0.0 0.1 -0.1 0.0
SINCE JUL 1 0.0 0.0 0.0 0.0
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 0 1 -1 0
MONTH TO DATE 2 6 -4 1
SINCE JUN 1 92 144 -52 42
SINCE JUL 1 4 20 -16 7
COOLING
YESTERDAY 14 5 9 13
MONTH TO DATE 154 132 22 148
SINCE JUN 1 478 405 73 513
SINCE JAN 1 486 410 76 513
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 21 HIGHEST WIND DIRECTION NW (320)
HIGHEST GUST SPEED 29 HIGHEST GUST DIRECTION NW (320)
AVERAGE WIND SPEED 5.2
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 32 8:00 AM
LOWEST 8 2:00 PM
AVERAGE 20
......................................................
THE LANDER WY CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 85 98 1960
MINIMUM TEMPERATURE (F) 53 39 1966
1974
SUNRISE AND SUNSET
AUGUST 21 2025........SUNRISE 6:28 AM MDT SUNSET 8:07 PM MDT
AUGUST 22 2025........SUNRISE 6:29 AM MDT SUNSET 8:05 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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