700
CDUS45 KRIW 010735
CLILND
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
135 AM MDT WED OCT 01 2025
...............................
..THE LANDER WY CLIMATE SUMMARY FOR SEPTEMBER 30 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 77 2:33 PM 86 1980 67 10 70
MINIMUM 49 6:47 AM 20 1985 39 10 41
AVERAGE 63 53 10
PRECIPITATION (IN)
YESTERDAY T 1.93 1944 0.04 -0.04 0.00
MONTH TO DATE 1.20 0.98 0.22 0.40
SINCE SEP 1 1.20 0.98 0.22 0.40
SINCE JAN 1 11.21 10.42 0.79 7.42
SNOWFALL (IN)
YESTERDAY 0.0 11.4 1982 0.1 -0.1 0.0
MONTH TO DATE 0.0 1.5 -1.5 0.0
SINCE SEP 1 0.0 1.5 -1.5 0.0
SINCE JUL 1 0.0 1.5 -1.5 0.0
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 2 12 -10 9
MONTH TO DATE 99 194 -95 84
SINCE SEP 1 99 194 -95 84
SINCE JUL 1 104 233 -129 102
COOLING
YESTERDAY 0 0 0 0
MONTH TO DATE 42 32 10 83
SINCE SEP 1 42 32 10 83
SINCE JAN 1 569 484 85 644
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 29 HIGHEST WIND DIRECTION W (250)
HIGHEST GUST SPEED 40 HIGHEST GUST DIRECTION W (250)
AVERAGE WIND SPEED 8.8
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.2
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
LIGHT RAIN
RELATIVE HUMIDITY (PERCENT)
HIGHEST 74 7:00 AM
LOWEST 26 2:00 PM
AVERAGE 50
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THE LANDER WY CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 67 85 1963
2011
MINIMUM TEMPERATURE (F) 38 24 1944
1950
SUNRISE AND SUNSET
OCTOBER 1 2025.......SUNRISE 7:13 AM MDT SUNSET 6:56 PM MDT
OCTOBER 2 2025.......SUNRISE 7:14 AM MDT SUNSET 6:54 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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