Climatological Report (Daily)
Issued by NWS Riverton, WY
Issued by NWS Riverton, WY
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CDUS45 KRIW 110728
CLIRIW
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
128 AM MDT SAT OCT 11 2025
...................................
...THE RIVERTON WY CLIMATE SUMMARY FOR OCTOBER 10 2025...
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1995 TO 2025
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...................................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 71 4:38 PM 80 2015 61 10 70
MINIMUM 44 3:36 AM 0 2009 34 10 47
AVERAGE 58 48 10 59
PRECIPITATION (IN)
YESTERDAY 0.00 0.18 0.04 -0.04 0.00
MONTH TO DATE 0.99 0.37 0.62 0.00
SINCE SEP 1 1.98 1.14 0.84 0.07
SINCE JAN 1 8.23 7.50 0.73 5.50
SNOWFALL (IN)
YESTERDAY 0.0 3.1 2008 0.0
MONTH TO DATE T 0.0
SINCE SEP 1 T 0.0
SINCE JUL 1 T 0.0
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 7 18 -11 6
MONTH TO DATE 123 155 -32 60
SINCE SEP 1 220 360 -140 146
SINCE JUL 1 223 396 -173 164
COOLING
YESTERDAY 0 0 0 0
MONTH TO DATE 0 0 0 1
SINCE SEP 1 37 31 6 68
SINCE JAN 1 611 499 112 610
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION S (200)
HIGHEST GUST SPEED 24 HIGHEST GUST DIRECTION SW (210)
AVERAGE WIND SPEED 6.2
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 82 5:00 AM
LOWEST 36 2:00 PM
AVERAGE 59
..........................................................
THE RIVERTON WY CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 60 79 1996
MINIMUM TEMPERATURE (F) 34 10 2019
SUNRISE AND SUNSET
OCTOBER 11 2025.......SUNRISE 7:23 AM MDT SUNSET 6:37 PM MDT
OCTOBER 12 2025.......SUNRISE 7:24 AM MDT SUNSET 6:35 PM MDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$