Climatological Report (Daily)
Issued by NWS Riverton, WY
Issued by NWS Riverton, WY
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CDUS45 KRIW 050728
CLIRIW
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
128 AM MDT SAT SEP 05 2026
...................................
...THE RIVERTON WY CLIMATE SUMMARY FOR SEPTEMBER 4 2026...
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1995 TO 2026
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...................................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 88 2:51 PM 100 2022 80 8 82
MINIMUM 52 5:34 AM 37 2008 49 3 53
AVERAGE 70 64 6 68
PRECIPITATION (IN)
YESTERDAY 0.00 0.14 0.01 -0.01 0.00
MONTH TO DATE T 0.06 -0.06 0.00
SINCE SEP 1 T 0.06 -0.06 0.00
SINCE JAN 1 2.97 6.42 -3.45 6.25
SNOWFALL (IN)
YESTERDAY 0.0 0.0 2020 0.0
MONTH TO DATE 0.0 0.0
SINCE SEP 1 0.0 0.0
SINCE JUL 1 0.0 0.0
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 0 3 -3 0
MONTH TO DATE 0 12 -12 0
SINCE SEP 1 0 12 -12 0
SINCE JUL 1 2 48 -46 3
COOLING
YESTERDAY 5 2 3 3
MONTH TO DATE 18 9 9 20
SINCE SEP 1 18 9 9 20
SINCE JAN 1 731 477 254 594
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 26 HIGHEST WIND DIRECTION S (200)
HIGHEST GUST SPEED 35 HIGHEST GUST DIRECTION SW (210)
AVERAGE WIND SPEED 11.8
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 31 7:00 AM
LOWEST 9 2:00 PM
AVERAGE 20
..........................................................
THE RIVERTON WY CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 79 97 2022
MINIMUM TEMPERATURE (F) 48 40 2008
SUNRISE AND SUNSET
SEPTEMBER 5 2026.....SUNRISE 6:43 AM MDT SUNSET 7:41 PM MDT
SEPTEMBER 6 2026.....SUNRISE 6:44 AM MDT SUNSET 7:40 PM MDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$