918
CDUS45 KRIW 220727
CLILND
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
127 AM MDT THU MAY 22 2025
...............................
..THE LANDER WY CLIMATE SUMMARY FOR MAY 21 2025
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)
YESTERDAY
MAXIMUM 65 3:33 PM 85 1948 68 -3 49
1964
2006
MINIMUM 35 6:06 AM 27 1908 41 -6 33
2001
AVERAGE 50 55 -5
PRECIPITATION (IN)
YESTERDAY 0.00 1.78 1904 0.09 -0.09 0.23
MONTH TO DATE 1.79 1.88 -0.09 1.37
SINCE MAR 1 7.39 5.24 2.15 3.94
SINCE JAN 1 8.47 6.45 2.02 5.85
SNOWFALL (IN)
YESTERDAY 0.0 12.5 1975 0.1 -0.1 0.3
MONTH TO DATE 3.4 4.0 -0.6 1.6
SINCE MAR 1 48.7 34.8 13.9 21.0
SINCE JUL 1 79.0 87.0 -8.0 70.9
SNOW DEPTH MM
DEGREE DAYS
HEATING
YESTERDAY 15 10 5 24
MONTH TO DATE 262 297 -35 315
SINCE MAR 1 1721 1848 -127 1737
SINCE JUL 1 6750 7499 -749 7045
COOLING
YESTERDAY 0 0 0 0
MONTH TO DATE 4 0 4 0
SINCE MAR 1 4 0 4 0
SINCE JAN 1 4 0 4 0
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION W (290)
HIGHEST GUST SPEED 30 HIGHEST GUST DIRECTION NW (300)
AVERAGE WIND SPEED 5.2
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.1
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 75 2:00 AM
LOWEST 17 4:00 PM
AVERAGE 46
......................................................
THE LANDER WY CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 69 83 1967
2006
MINIMUM TEMPERATURE (F) 42 29 2022
SUNRISE AND SUNSET
MAY 22 2025...........SUNRISE 5:45 AM MDT SUNSET 8:38 PM MDT
MAY 23 2025...........SUNRISE 5:45 AM MDT SUNSET 8:39 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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