292
CDUS45 KRIW 220045
CLILND
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
645 PM MDT THU AUG 21 2025
...............................
..THE LANDER WY CLIMATE SUMMARY FOR AUGUST 21 2025
VALID TODAY AS OF 0600 PM LOCAL TIME.
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)
TODAY
MAXIMUM 91 3:45 PM 98 1960 85 6 93
MINIMUM 66 4:40 AM 39 1966 53 13 58
1974
AVERAGE 79 69 10 76
PRECIPITATION (IN)
TODAY 0.00 0.29 1891 0.01 -0.01 T
MONTH TO DATE 0.05 0.36 -0.31 0.45
SINCE JUN 1 1.03 2.03 -1.00 0.87
SINCE JAN 1 9.59 9.28 0.31 6.73
SNOWFALL (IN)
TODAY MM 0.0 MM 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 MM
DEGREE DAYS
HEATING
TODAY 0 1 -1 0
MONTH TO DATE 2 7 -5 1
SINCE JUN 1 92 145 -53 42
SINCE JUL 1 4 21 -17 7
COOLING
TODAY 14 5 9 11
MONTH TO DATE 168 137 31 159
SINCE JUN 1 492 410 82 524
SINCE JAN 1 500 415 85 524
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 22 HIGHEST WIND DIRECTION SW (220)
HIGHEST GUST SPEED 32 HIGHEST GUST DIRECTION SW (230)
AVERAGE WIND SPEED 8.2
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.2
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 35
LOWEST 20
AVERAGE 28
......................................................
THE LANDER WY CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 85 96 2009
MINIMUM TEMPERATURE (F) 53 31 1904
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.
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page