164
CDUS45 KRIW 100731
CLIWRL
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
131 AM MDT WED SEP 10 2025
...............................
..THE WORLAND WY CLIMATE SUMMARY FOR SEPTEMBER 9 2025
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1947 TO 2025
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...............................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 87 3:07 PM 97 1998 80 7 87
2021
MINIMUM 46 5:19 AM 28 2020 45 1 47
AVERAGE 67 62 5
PRECIPITATION (IN)
YESTERDAY T 0.49 1989 0.03 -0.03 0.01
MONTH TO DATE T 0.21 -0.21 0.02
SINCE SEP 1 T 0.21 -0.21 0.02
SINCE JAN 1 4.97 5.69 -0.72 3.04
DEGREE DAYS
HEATING
YESTERDAY 0 4 -4 0
MONTH TO DATE 16 31 -15 4
SINCE SEP 1 16 31 -15 4
SINCE JUL 1 22 69 -47 39
COOLING
YESTERDAY 2 2 0 2
MONTH TO DATE 15 20 -5 27
SINCE SEP 1 15 20 -5 27
SINCE JAN 1 549 517 32 524
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WIND (MPH)
HIGHEST WIND SPEED 20 HIGHEST WIND DIRECTION E (100)
HIGHEST GUST SPEED 23 HIGHEST GUST DIRECTION NW (330)
AVERAGE WIND SPEED 4.1
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.1
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
LIGHT RAIN
RELATIVE HUMIDITY (PERCENT)
HIGHEST 72 11:00 PM
LOWEST 17 4:00 PM
AVERAGE 45
......................................................
THE WORLAND WY CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 79 93 2021
MINIMUM TEMPERATURE (F) 44 32 2020
SUNRISE AND SUNSET
SEPTEMBER 10 2025.....SUNRISE 6:46 AM MDT SUNSET 7:31 PM MDT
SEPTEMBER 11 2025.....SUNRISE 6:47 AM MDT SUNSET 7:29 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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