583
CDUS45 KRIW 140727
CLIRIW
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
127 AM MDT SUN SEP 14 2025
...............................
..THE RIVERTON WY CLIMATE SUMMARY FOR SEPTEMBER 13 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 72 2:20 PM 90 2015 76 -4 71
MINIMUM 49 6:03 AM 31 2014 46 3 42
AVERAGE 61 60 1 57
PRECIPITATION (IN)
YESTERDAY 0.00 0.26 0.03 -0.03 0.00
MONTH TO DATE T 0.25 -0.25 0.06
SINCE SEP 1 T 0.25 -0.25 0.06
SINCE JAN 1 6.25 6.61 -0.36 5.49
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 4 6 -2 8
MONTH TO DATE 17 52 -35 16
SINCE SEP 1 17 52 -35 16
SINCE JUL 1 20 88 -68 34
COOLING
YESTERDAY 0 1 -1 0
MONTH TO DATE 36 23 13 47
SINCE SEP 1 36 23 13 47
SINCE JAN 1 610 491 119 589
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WIND (MPH)
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION W (280)
HIGHEST GUST SPEED 29 HIGHEST GUST DIRECTION E (80)
AVERAGE WIND SPEED 9.3
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.2
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 74 3:00 AM
LOWEST 32 2:00 PM
AVERAGE 53
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THE RIVERTON WY CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 75 85 2018
MINIMUM TEMPERATURE (F) 45 33 2003
SUNRISE AND SUNSET
SEPTEMBER 14 2025.....SUNRISE 6:53 AM MDT SUNSET 7:25 PM MDT
SEPTEMBER 15 2025.....SUNRISE 6:54 AM MDT SUNSET 7:23 PM MDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
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