Climatological Report (Daily)
Issued by NWS
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CDUS45 KRIW 110045
CLILND
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
645 PM MDT THU SEP 10 2026
...................................
...THE LANDER WY CLIMATE SUMMARY FOR SEPTEMBER 10 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 87 3:27 PM 93 2021 78 9 89
MINIMUM 45 4:37 AM 30 2020 47 -2 48
AVERAGE 66 62 4 69
PRECIPITATION (IN)
TODAY 0.00 1.07 1950 0.02 -0.02 T
MONTH TO DATE T 0.21 -0.21 0.02
SINCE SEP 1 T 0.21 -0.21 0.02
SINCE JAN 1 6.36 9.65 -3.29 10.03
SNOWFALL (IN)
TODAY MM 0.0 MM 0.0
MONTH TO DATE 0.0 0.1 -0.1 0.0
SINCE SEP 1 0.0 0.1 -0.1 0.0
SINCE JUL 1 0.0 0.1 -0.1 0.0
SNOW DEPTH MM
DEGREE DAYS
HEATING
TODAY 0 4 -4 0
MONTH TO DATE 2 33 -31 11
SINCE SEP 1 2 33 -31 11
SINCE JUL 1 5 72 -67 16
COOLING
TODAY 1 2 -1 4
MONTH TO DATE 35 22 13 33
SINCE SEP 1 35 22 13 33
SINCE JAN 1 705 474 231 560
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION N (340)
HIGHEST GUST SPEED 27 HIGHEST GUST DIRECTION NW (300)
AVERAGE WIND SPEED 4.9
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.0
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 27
LOWEST 9
AVERAGE 18
..........................................................
THE LANDER WY CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 77 88 1919
1990
MINIMUM TEMPERATURE (F) 46 26 1898
SUNRISE AND SUNSET
SEPTEMBER 10 2026.....SUNRISE 6:49 AM MDT SUNSET 7:33 PM MDT
SEPTEMBER 11 2026.....SUNRISE 6:50 AM MDT SUNSET 7:32 PM MDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$