054
CDUS45 KRIW 230045
CLILND
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
645 PM MDT MON SEP 22 2025
...............................
..THE LANDER WY CLIMATE SUMMARY FOR SEPTEMBER 22 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 61 10:02 AM 90 1958 71 -10 75
MINIMUM 45 4:59 PM 7 1895 42 3 36
AVERAGE 53 57 -4 56
PRECIPITATION (IN)
TODAY 0.71 1.20 1910 0.05 0.66 0.00
MONTH TO DATE 1.07 0.62 0.45 0.40
SINCE SEP 1 1.07 0.62 0.45 0.40
SINCE JAN 1 11.08 10.06 1.02 7.42
SNOWFALL (IN)
TODAY MM 0.1 MM 0.0
MONTH TO DATE 0.0 0.7 -0.7 0.0
SINCE SEP 1 0.0 0.7 -0.7 0.0
SINCE JUL 1 0.0 0.7 -0.7 0.0
SNOW DEPTH MM
DEGREE DAYS
HEATING
TODAY 12 9 3 9
MONTH TO DATE 76 110 -34 69
SINCE SEP 1 76 110 -34 69
SINCE JUL 1 81 149 -68 87
COOLING
TODAY 0 0 0 0
MONTH TO DATE 42 31 11 60
SINCE SEP 1 42 31 11 60
SINCE JAN 1 569 483 86 621
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 20 HIGHEST WIND DIRECTION N (360)
HIGHEST GUST SPEED 27 HIGHEST GUST DIRECTION N (360)
AVERAGE WIND SPEED 7.5
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.8
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
RAIN
LIGHT RAIN
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 97
LOWEST 51
AVERAGE 74
......................................................
THE LANDER WY CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 71 89 1905
MINIMUM TEMPERATURE (F) 42 19 1895
SUNRISE AND SUNSET
SEPTEMBER 22 2025.....SUNRISE 7:03 AM MDT SUNSET 7:11 PM MDT
SEPTEMBER 23 2025.....SUNRISE 7:04 AM MDT SUNSET 7:10 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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