Climatological Report (Daily)
Issued by NWS
Issued by NWS
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031
CDUS45 KRIW 220732
CLILND
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
132 AM MDT MON SEP 22 2025
...................................
...THE LANDER WY CLIMATE SUMMARY FOR SEPTEMBER 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 80 12:28 PM 87 1905 72 8 64
MINIMUM 48 5:38 AM 25 1983 43 5 44
AVERAGE 64 57 7
PRECIPITATION (IN)
YESTERDAY T 1.63 1895 0.04 -0.04 0.00
MONTH TO DATE 0.36 0.57 -0.21 0.40
SINCE SEP 1 0.36 0.57 -0.21 0.40
SINCE JAN 1 10.37 10.01 0.36 7.42
SNOWFALL (IN)
YESTERDAY 0.0 2.0 2000 0.1 -0.1 0.0
MONTH TO DATE 0.0 0.6 -0.6 0.0
SINCE SEP 1 0.0 0.6 -0.6 0.0
SINCE JUL 1 0.0 0.6 -0.6 0.0
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 1 8 -7 11
MONTH TO DATE 64 101 -37 60
SINCE SEP 1 64 101 -37 60
SINCE JUL 1 69 140 -71 78
COOLING
YESTERDAY 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 35 HIGHEST WIND DIRECTION W (270)
HIGHEST GUST SPEED 46 HIGHEST GUST DIRECTION W (270)
AVERAGE WIND SPEED 6.0
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.1
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
LIGHT RAIN
HAZE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 59 10:00 PM
LOWEST 19 12:00 PM
AVERAGE 39
..........................................................
THE LANDER WY CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 71 90 1958
MINIMUM TEMPERATURE (F) 42 7 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.
$$