670
CDUS45 KRIW 010045
CLILND
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
645 PM MDT WED SEP 30 2026
...............................
..THE LANDER WY CLIMATE SUMMARY FOR SEPTEMBER 30 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 75 3:38 PM 86 1980 67 8 77
MINIMUM 46 4:28 AM 20 1985 39 7 49
AVERAGE 61 53 8 63
PRECIPITATION (IN)
TODAY 0.00 1.93 1944 0.04 -0.04 T
MONTH TO DATE 2.18 0.98 1.20 1.20
SINCE SEP 1 2.18 0.98 1.20 1.20
SINCE JAN 1 8.54 10.42 -1.88 11.21
SNOWFALL (IN)
TODAY MM 0.1 MM 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 MM
DEGREE DAYS
HEATING
TODAY 4 12 -8 2
MONTH TO DATE 89 194 -105 99
SINCE SEP 1 89 194 -105 99
SINCE JUL 1 92 233 -141 104
COOLING
TODAY 0 0 0 0
MONTH TO DATE 44 32 12 42
SINCE SEP 1 44 32 12 42
SINCE JAN 1 714 484 230 569
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 12 HIGHEST WIND DIRECTION W (260)
HIGHEST GUST SPEED 14 HIGHEST GUST DIRECTION SW (240)
AVERAGE WIND SPEED 5.1
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.0
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
HAZE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 68
LOWEST 26
AVERAGE 47
......................................................
THE LANDER WY CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 67 85 1963
2011
MINIMUM TEMPERATURE (F) 38 24 1944
1950
SUNRISE AND SUNSET
SEPTEMBER 30 2026.....SUNRISE 7:11 AM MDT SUNSET 6:58 PM MDT
OCTOBER 1 2026.......SUNRISE 7:12 AM MDT SUNSET 6:56 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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