Climatological Report (Daily)
Issued by NWS Riverton, WY
Issued by NWS Riverton, WY
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CDUS45 KRIW 070729
CLIRIW
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
129 AM MDT MON SEP 07 2026
...................................
...THE RIVERTON WY CLIMATE SUMMARY FOR SEPTEMBER 6 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 89 1:24 PM 93 2022 79 10 77
MINIMUM 52 5:42 AM 36 2010 48 4 40
AVERAGE 71 63 8 59
PRECIPITATION (IN)
YESTERDAY 0.00 0.08 0.02 -0.02 0.00
MONTH TO DATE T 0.10 -0.10 0.00
SINCE SEP 1 T 0.10 -0.10 0.00
SINCE JAN 1 2.97 6.46 -3.49 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 4 -4 6
MONTH TO DATE 0 19 -19 11
SINCE SEP 1 0 19 -19 11
SINCE JUL 1 2 55 -53 14
COOLING
YESTERDAY 6 2 4 0
MONTH TO DATE 30 13 17 20
SINCE SEP 1 30 13 17 20
SINCE JAN 1 743 481 262 594
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 30 HIGHEST WIND DIRECTION S (170)
HIGHEST GUST SPEED 40 HIGHEST GUST DIRECTION S (170)
AVERAGE WIND SPEED 10.8
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 54 5:00 AM
LOWEST 11 3:00 PM
AVERAGE 33
..........................................................
THE RIVERTON WY CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 78 93 2022
MINIMUM TEMPERATURE (F) 48 32 2020
SUNRISE AND SUNSET
SEPTEMBER 7 2026.....SUNRISE 6:45 AM MDT SUNSET 7:38 PM MDT
SEPTEMBER 8 2026.....SUNRISE 6:46 AM MDT SUNSET 7:36 PM MDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$