Climatological Report (Daily)
Issued by NWS Riverton, WY
Issued by NWS Riverton, WY
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CDUS45 KRIW 020730
CLIRIW
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
130 AM MDT THU OCT 02 2025
...................................
...THE RIVERTON WY CLIMATE SUMMARY FOR OCTOBER 1 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 74 3:41 PM 84 2005 66 8 70
MINIMUM 47 6:23 AM 30 2002 38 9 31
AVERAGE 61 52 9 51
PRECIPITATION (IN)
YESTERDAY 0.00 0.62 0.04 -0.04 0.00
MONTH TO DATE 0.00 0.04 -0.04 0.00
SINCE SEP 1 0.99 0.81 0.18 0.07
SINCE JAN 1 7.24 7.17 0.07 5.50
SNOWFALL (IN)
YESTERDAY 0.0 6.5 2002 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 4 13 -9 14
MONTH TO DATE 4 13 -9 14
SINCE SEP 1 101 218 -117 100
SINCE JUL 1 104 254 -150 118
COOLING
YESTERDAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE SEP 1 37 31 6 67
SINCE JAN 1 611 499 112 609
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 21 HIGHEST WIND DIRECTION W (290)
HIGHEST GUST SPEED 29 HIGHEST GUST DIRECTION W (280)
AVERAGE WIND SPEED 7.9
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 68 5:00 AM
LOWEST 21 3:00 PM
AVERAGE 45
..........................................................
THE RIVERTON WY CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 65 83 2024
MINIMUM TEMPERATURE (F) 38 27 1999
2009
SUNRISE AND SUNSET
OCTOBER 2 2025.......SUNRISE 7:13 AM MDT SUNSET 6:53 PM MDT
OCTOBER 3 2025.......SUNRISE 7:14 AM MDT SUNSET 6:51 PM MDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$