584
CDUS45 KRIW 220045
CLILND
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
645 PM MDT TUE OCT 21 2025
...............................
..THE LANDER WY CLIMATE SUMMARY FOR OCTOBER 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 63 3:25 PM 82 2003 56 7 69
MINIMUM 28 4:04 AM 6 1932 30 -2 36
AVERAGE 46 43 3 53
PRECIPITATION (IN)
TODAY 0.00 0.71 1931 0.04 -0.04 0.00
MONTH TO DATE 1.45 1.04 0.41 0.51
SINCE SEP 1 2.65 2.02 0.63 0.91
SINCE JAN 1 12.66 11.46 1.20 7.93
SNOWFALL (IN)
TODAY MM 0.3 MM 0.0
MONTH TO DATE T 6.8 -6.8 T
SINCE SEP 1 T 8.3 -8.3 T
SINCE JUL 1 T 8.3 -8.3 T
SNOW DEPTH MM
DEGREE DAYS
HEATING
TODAY 19 22 -3 12
MONTH TO DATE 321 366 -45 177
SINCE SEP 1 420 561 -141 261
SINCE JUL 1 425 600 -175 279
COOLING
TODAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE SEP 1 42 32 10 83
SINCE JAN 1 569 484 85 644
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION SE (140)
HIGHEST GUST SPEED 17 HIGHEST GUST DIRECTION SE (140)
AVERAGE WIND SPEED 4.7
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.0
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 66
LOWEST 17
AVERAGE 42
......................................................
THE LANDER WY CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 56 75 1954
2003
MINIMUM TEMPERATURE (F) 30 11 1936
SUNRISE AND SUNSET
OCTOBER 21 2025.......SUNRISE 7:36 AM MDT SUNSET 6:22 PM MDT
OCTOBER 22 2025.......SUNRISE 7:37 AM MDT SUNSET 6:21 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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