Climatological Report (Daily)
Issued by NWS
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CDUS45 KRIW 280045
CLILND
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
645 PM MDT SUN SEP 27 2026
...................................
...THE LANDER WY CLIMATE SUMMARY FOR SEPTEMBER 27 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 74 4:16 PM 87 2001 69 5 77
MINIMUM 49 3:40 AM 19 1908 40 9 48
AVERAGE 62 54 8 63
PRECIPITATION (IN)
TODAY 0.00 2.87 1923 0.04 -0.04 0.00
MONTH TO DATE 2.08 0.84 1.24 1.15
SINCE SEP 1 2.08 0.84 1.24 1.15
SINCE JAN 1 8.44 10.28 -1.84 11.16
SNOWFALL (IN)
TODAY MM 0.1 MM 0.0
MONTH TO DATE 0.0 1.1 -1.1 0.0
SINCE SEP 1 0.0 1.1 -1.1 0.0
SINCE JUL 1 0.0 1.1 -1.1 0.0
SNOW DEPTH MM
DEGREE DAYS
HEATING
TODAY 3 11 -8 2
MONTH TO DATE 68 159 -91 94
SINCE SEP 1 68 159 -91 94
SINCE JUL 1 71 198 -127 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 15 HIGHEST WIND DIRECTION NW (330)
HIGHEST GUST SPEED 21 HIGHEST GUST DIRECTION NW (330)
AVERAGE WIND SPEED 7.0
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.1
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 56
LOWEST 31
AVERAGE 44
..........................................................
THE LANDER WY CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 68 89 2010
MINIMUM TEMPERATURE (F) 40 22 1985
SUNRISE AND SUNSET
SEPTEMBER 27 2026.....SUNRISE 7:08 AM MDT SUNSET 7:03 PM MDT
SEPTEMBER 28 2026.....SUNRISE 7:09 AM MDT SUNSET 7:01 PM MDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$