Climatological Report (Daily)
Issued by NWS Riverton, WY
Issued by NWS Riverton, WY
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CDUS45 KRIW 060729
CLIRIW
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
129 AM MDT SAT SEP 06 2025
...................................
...THE RIVERTON WY CLIMATE SUMMARY FOR SEPTEMBER 5 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 68 4:44 PM 97 2022 79 -11 78
MINIMUM 52 11:59 PM 40 2008 48 4 48
AVERAGE 60 64 -4 63
PRECIPITATION (IN)
YESTERDAY 0.00 0.04 0.02 -0.02 0.00
MONTH TO DATE 0.00 0.08 -0.08 0.03
SINCE SEP 1 0.00 0.08 -0.08 0.03
SINCE JAN 1 6.25 6.44 -0.19 5.46
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 5 3 2 2
MONTH TO DATE 5 15 -10 3
SINCE SEP 1 5 15 -10 3
SINCE JUL 1 8 51 -43 21
COOLING
YESTERDAY 0 2 -2 0
MONTH TO DATE 20 11 9 19
SINCE SEP 1 20 11 9 19
SINCE JAN 1 594 479 115 561
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION E (90)
HIGHEST GUST SPEED 19 HIGHEST GUST DIRECTION NE (60)
AVERAGE WIND SPEED 6.5
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.5
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 60 12:00 AM
LOWEST 29 5:00 PM
AVERAGE 45
..........................................................
THE RIVERTON WY CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 79 93 2022
MINIMUM TEMPERATURE (F) 48 36 2010
SUNRISE AND SUNSET
SEPTEMBER 6 2025.....SUNRISE 6:44 AM MDT SUNSET 7:39 PM MDT
SEPTEMBER 7 2025.....SUNRISE 6:45 AM MDT SUNSET 7:37 PM MDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$