Climatological Report (Daily)
Issued by NWS
Issued by NWS
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CDUS45 KRIW 120728
CLILND
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
128 AM MDT SAT SEP 12 2026
...................................
...THE LANDER WY CLIMATE SUMMARY FOR SEPTEMBER 11 2026...
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)
YESTERDAY
MAXIMUM 85 2:37 PM 88 1919 77 8 84
1990
MINIMUM 53 11:59 PM 26 1898 46 7 60
AVERAGE 69 62 7
PRECIPITATION (IN)
YESTERDAY 0.00 1.31 1903 0.03 -0.03 T
MONTH TO DATE T 0.24 -0.24 0.02
SINCE SEP 1 T 0.24 -0.24 0.02
SINCE JAN 1 6.36 9.68 -3.32 10.03
SNOWFALL (IN)
YESTERDAY 0.0 3.0 1974 0.0 0.0 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 0
DEGREE DAYS
HEATING
YESTERDAY 0 5 -5 0
MONTH TO DATE 2 38 -36 11
SINCE SEP 1 2 38 -36 11
SINCE JUL 1 5 77 -72 16
COOLING
YESTERDAY 4 1 3 7
MONTH TO DATE 39 23 16 40
SINCE SEP 1 39 23 16 40
SINCE JAN 1 709 475 234 567
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 22 HIGHEST WIND DIRECTION SW (240)
HIGHEST GUST SPEED 32 HIGHEST GUST DIRECTION W (280)
AVERAGE WIND SPEED 10.1
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.1
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 57 11:00 PM
LOWEST 14 5:00 PM
AVERAGE 36
..........................................................
THE LANDER WY CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 77 94 1990
MINIMUM TEMPERATURE (F) 46 26 1902
SUNRISE AND SUNSET
SEPTEMBER 12 2026.....SUNRISE 6:52 AM MDT SUNSET 7:30 PM MDT
SEPTEMBER 13 2026.....SUNRISE 6:53 AM MDT SUNSET 7:28 PM MDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$