Climatological Report (Daily)
Issued by NWS
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CDUS45 KRIW 220045
CLILND
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
645 PM MDT WED OCT 21 2026
...................................
...THE LANDER WY CLIMATE SUMMARY FOR OCTOBER 21 2026...
VALID TODAY AS OF 0600 PM LOCAL TIME.
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1891 TO 2026
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...................................................................
TEMPERATURE (F)
TODAY
MAXIMUM 65 4:40 PM 82 2003 56 9 63
MINIMUM 39 6:59 AM 6 1932 30 9 28
AVERAGE 52 43 9 46
PRECIPITATION (IN)
TODAY 0.00 0.71 1931 0.04 -0.04 0.00
MONTH TO DATE 0.74 1.04 -0.30 1.45
SINCE SEP 1 2.92 2.02 0.90 2.65
SINCE JAN 1 9.28 11.46 -2.18 12.66
SNOWFALL (IN)
TODAY MM 0.3 MM 0.0
MONTH TO DATE 0.0 6.8 -6.8 T
SINCE SEP 1 0.0 8.3 -8.3 T
SINCE JUL 1 0.0 8.3 -8.3 T
SNOW DEPTH MM
DEGREE DAYS
HEATING
TODAY 13 22 -9 19
MONTH TO DATE 208 366 -158 321
SINCE SEP 1 297 561 -264 420
SINCE JUL 1 300 600 -300 425
COOLING
TODAY 0 0 0 0
MONTH TO DATE 4 0 4 0
SINCE SEP 1 48 32 16 42
SINCE JAN 1 718 484 234 569
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 9 HIGHEST WIND DIRECTION SW (230)
HIGHEST GUST SPEED 11 HIGHEST GUST DIRECTION SW (240)
AVERAGE WIND SPEED 2.2
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.1
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 82
LOWEST 38
AVERAGE 60
..........................................................
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 2026.......SUNRISE 7:36 AM MDT SUNSET 6:23 PM MDT
OCTOBER 22 2026.......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.
$$