Climatological Report (Daily)
Issued by NWS Riverton, WY
Issued by NWS Riverton, WY
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CDUS45 KRIW 260726
CLIRIW
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
126 AM MDT SAT SEP 26 2026
...................................
...THE RIVERTON WY CLIMATE SUMMARY FOR SEPTEMBER 25 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 77 4:36 PM 90 2024 69 8 80
MINIMUM 48 5:47 AM 25 2000 41 7 45
AVERAGE 63 55 8 63
PRECIPITATION (IN)
YESTERDAY 0.00 0.11 0.03 -0.03 0.00
MONTH TO DATE 1.53 0.60 0.93 0.99
SINCE SEP 1 1.53 0.60 0.93 0.99
SINCE JAN 1 4.50 6.96 -2.46 7.24
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 2 10 -8 2
MONTH TO DATE 62 146 -84 85
SINCE SEP 1 62 146 -84 85
SINCE JUL 1 64 182 -118 88
COOLING
YESTERDAY 0 0 0 0
MONTH TO DATE 43 28 15 37
SINCE SEP 1 43 28 15 37
SINCE JAN 1 756 496 260 611
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION W (250)
HIGHEST GUST SPEED 17 HIGHEST GUST DIRECTION W (260)
AVERAGE WIND SPEED 6.1
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.0
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
LIGHT RAIN
RELATIVE HUMIDITY (PERCENT)
HIGHEST 74 5:00 AM
LOWEST 23 4:00 PM
AVERAGE 49
..........................................................
THE RIVERTON WY CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 69 89 2015
MINIMUM TEMPERATURE (F) 40 24 1996
SUNRISE AND SUNSET
SEPTEMBER 26 2026.....SUNRISE 7:06 AM MDT SUNSET 7:04 PM MDT
SEPTEMBER 27 2026.....SUNRISE 7:07 AM MDT SUNSET 7:02 PM MDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$