273
CDUS45 KRIW 210046
CLILND
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
646 PM MDT MON OCT 20 2025
...............................
..THE LANDER WY CLIMATE SUMMARY FOR OCTOBER 20 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 51 2:28 PM 81 1921 57 -6 64
MINIMUM 31 6:47 AM 5 1932 30 1 33
AVERAGE 41 44 -3 49
PRECIPITATION (IN)
TODAY 0.00 1.07 1906 0.04 -0.04 0.00
MONTH TO DATE 1.45 1.00 0.45 0.51
SINCE SEP 1 2.65 1.98 0.67 0.91
SINCE JAN 1 12.66 11.42 1.24 7.93
SNOWFALL (IN)
TODAY MM 0.4 MM 0.0
MONTH TO DATE T 6.5 -6.5 T
SINCE SEP 1 T 8.0 -8.0 T
SINCE JUL 1 T 8.0 -8.0 T
SNOW DEPTH MM
DEGREE DAYS
HEATING
TODAY 24 21 3 16
MONTH TO DATE 302 344 -42 165
SINCE SEP 1 401 539 -138 249
SINCE JUL 1 406 578 -172 267
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 31 HIGHEST WIND DIRECTION NW (320)
HIGHEST GUST SPEED 43 HIGHEST GUST DIRECTION NW (310)
AVERAGE WIND SPEED 13.9
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 67
LOWEST 24
AVERAGE 46
......................................................
THE LANDER WY CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 56 82 2003
MINIMUM TEMPERATURE (F) 30 6 1932
SUNRISE AND SUNSET
OCTOBER 20 2025.......SUNRISE 7:35 AM MDT SUNSET 6:24 PM MDT
OCTOBER 21 2025.......SUNRISE 7:36 AM MDT SUNSET 6:22 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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