Climatological Report (Daily)
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971
CDUS45 KRIW 290045
CLILND
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
645 PM MDT MON SEP 28 2026
...................................
...THE LANDER WY CLIMATE SUMMARY FOR SEPTEMBER 28 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 63 3:21 AM 89 2010 68 -5 78
MINIMUM 52 2:31 PM 22 1985 40 12 51
AVERAGE 58 54 4 65
PRECIPITATION (IN)
TODAY 0.10 1.37 2014 0.05 0.05 0.05
MONTH TO DATE 2.18 0.89 1.29 1.20
SINCE SEP 1 2.18 0.89 1.29 1.20
SINCE JAN 1 8.54 10.33 -1.79 11.21
SNOWFALL (IN)
TODAY MM 0.2 MM 0.0
MONTH TO DATE 0.0 1.3 -1.3 0.0
SINCE SEP 1 0.0 1.3 -1.3 0.0
SINCE JUL 1 0.0 1.3 -1.3 0.0
SNOW DEPTH MM
DEGREE DAYS
HEATING
TODAY 7 11 -4 0
MONTH TO DATE 75 170 -95 94
SINCE SEP 1 75 170 -95 94
SINCE JUL 1 78 209 -131 99
COOLING
TODAY 0 0 0 0
MONTH TO DATE 44 31 13 42
SINCE SEP 1 44 31 13 42
SINCE JAN 1 714 483 231 569
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 28 HIGHEST WIND DIRECTION SW (230)
HIGHEST GUST SPEED 40 HIGHEST GUST DIRECTION SW (230)
AVERAGE WIND SPEED 5.2
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.6
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
LIGHT RAIN
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 86
LOWEST 44
AVERAGE 65
..........................................................
THE LANDER WY CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 68 90 2024
MINIMUM TEMPERATURE (F) 39 23 1985
SUNRISE AND SUNSET
SEPTEMBER 28 2026.....SUNRISE 7:09 AM MDT SUNSET 7:01 PM MDT
SEPTEMBER 29 2026.....SUNRISE 7:10 AM MDT SUNSET 6:59 PM MDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$