Climatological Report (Daily)
Issued by NWS
Issued by NWS
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761
CDUS45 KRIW 130732
CLILND
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
132 AM MDT SUN SEP 13 2026
...................................
...THE LANDER WY CLIMATE SUMMARY FOR SEPTEMBER 12 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 77 5:08 PM 94 1990 77 0 74
MINIMUM 44 5:48 AM 26 1902 46 -2 50
AVERAGE 61 61 0
PRECIPITATION (IN)
YESTERDAY 0.00 0.69 2013 0.03 -0.03 0.01
MONTH TO DATE T 0.27 -0.27 0.03
SINCE SEP 1 T 0.27 -0.27 0.03
SINCE JAN 1 6.36 9.71 -3.35 10.04
SNOWFALL (IN)
YESTERDAY 0.0 1.0 1970 0.1 -0.1 0.0
MONTH TO DATE 0.0 0.2 -0.2 0.0
SINCE SEP 1 0.0 0.2 -0.2 0.0
SINCE JUL 1 0.0 0.2 -0.2 0.0
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 4 5 -1 3
MONTH TO DATE 6 43 -37 14
SINCE SEP 1 6 43 -37 14
SINCE JUL 1 9 82 -73 19
COOLING
YESTERDAY 0 1 -1 0
MONTH TO DATE 39 24 15 40
SINCE SEP 1 39 24 15 40
SINCE JAN 1 709 476 233 567
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 12 HIGHEST WIND DIRECTION NW (300)
HIGHEST GUST SPEED 14 HIGHEST GUST DIRECTION NW (320)
AVERAGE WIND SPEED 6.4
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.0
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 74 6:00 AM
LOWEST 26 4:00 PM
AVERAGE 50
..........................................................
THE LANDER WY CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 76 89 2015
MINIMUM TEMPERATURE (F) 46 25 1914
SUNRISE AND SUNSET
SEPTEMBER 13 2026.....SUNRISE 6:53 AM MDT SUNSET 7:28 PM MDT
SEPTEMBER 14 2026.....SUNRISE 6:54 AM MDT SUNSET 7:26 PM MDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$