959
CDUS45 KRIW 210045
CLILND
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
645 PM MDT WED MAY 20 2026
...............................
..THE LANDER WY CLIMATE SUMMARY FOR MAY 20 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 63 4:48 PM 91 1954 68 -5 62
MINIMUM 35 6:19 AM 26 1950 41 -6 37
AVERAGE 49 54 -5 50
PRECIPITATION (IN)
TODAY 0.00 1.34 1917 0.09 -0.09 0.00
1975
MONTH TO DATE 1.41 1.79 -0.38 1.79
SINCE MAR 1 3.80 5.15 -1.35 7.39
SINCE JAN 1 4.21 6.36 -2.15 8.47
SNOWFALL (IN)
TODAY MM 0.1 MM 0.0
MONTH TO DATE 12.5 3.9 8.6 3.4
SINCE MAR 1 29.9 34.7 -4.8 48.7
SINCE JUL 1 38.1 86.9 -48.8 79.0
SNOW DEPTH MM
DEGREE DAYS
HEATING
TODAY 16 11 5 15
MONTH TO DATE 248 287 -39 247
SINCE MAR 1 1370 1838 -468 1706
SINCE JUL 1 5453 7489 -2036 6735
COOLING
TODAY 0 0 0 0
MONTH TO DATE 2 0 2 4
SINCE MAR 1 3 0 3 4
SINCE JAN 1 3 0 3 4
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 22 HIGHEST WIND DIRECTION S (200)
HIGHEST GUST SPEED 36 HIGHEST GUST DIRECTION S (200)
AVERAGE WIND SPEED 6.4
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 64
LOWEST 20
AVERAGE 42
......................................................
THE LANDER WY CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 68 85 1948
1964
2006
MINIMUM TEMPERATURE (F) 41 27 1908
2001
SUNRISE AND SUNSET
MAY 20 2026...........SUNRISE 5:47 AM MDT SUNSET 8:36 PM MDT
MAY 21 2026...........SUNRISE 5:46 AM MDT SUNSET 8:37 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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