067
CDUS45 KRIW 200729
CLIRIW
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
129 AM MDT SAT SEP 20 2025
...............................
..THE RIVERTON WY CLIMATE SUMMARY FOR SEPTEMBER 19 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 78 3:11 PM 90 2010 73 5 74
MINIMUM 46 2:01 AM 32 1996 43 3 47
AVERAGE 62 58 4 61
PRECIPITATION (IN)
YESTERDAY 0.00 0.46 0.02 -0.02 0.00
MONTH TO DATE 0.08 0.39 -0.31 0.07
SINCE SEP 1 0.08 0.39 -0.31 0.07
SINCE JAN 1 6.33 6.75 -0.42 5.50
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 3 8 -5 4
MONTH TO DATE 55 92 -37 45
SINCE SEP 1 55 92 -37 45
SINCE JUL 1 58 128 -70 63
COOLING
YESTERDAY 0 0 0 0
MONTH TO DATE 36 28 8 47
SINCE SEP 1 36 28 8 47
SINCE JAN 1 610 496 114 589
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WIND (MPH)
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION N (10)
HIGHEST GUST SPEED 19 HIGHEST GUST DIRECTION NE (30)
AVERAGE WIND SPEED 7.1
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 65 4:00 AM
LOWEST 19 4:00 PM
AVERAGE 42
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THE RIVERTON WY CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 72 86 2016
MINIMUM TEMPERATURE (F) 43 34 2000
SUNRISE AND SUNSET
SEPTEMBER 20 2025.....SUNRISE 6:59 AM MDT SUNSET 7:14 PM MDT
SEPTEMBER 21 2025.....SUNRISE 7:00 AM MDT SUNSET 7:12 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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