571
CDUS45 KRIW 180730
CLIWRL
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
130 AM MDT THU SEP 18 2025
...............................
..THE WORLAND WY CLIMATE SUMMARY FOR SEPTEMBER 17 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 71 3:19 PM 94 1964 76 -5 76
MINIMUM 47 11:58 PM 27 1965 42 5 45
AVERAGE 59 59 0
PRECIPITATION (IN)
YESTERDAY 0.00 0.44 2013 0.03 -0.03 T
MONTH TO DATE 0.21 0.44 -0.23 0.16
SINCE SEP 1 0.21 0.44 -0.23 0.16
SINCE JAN 1 5.18 5.92 -0.74 3.18
DEGREE DAYS
HEATING
YESTERDAY 6 7 -1 4
MONTH TO DATE 46 77 -31 36
SINCE SEP 1 46 77 -31 36
SINCE JUL 1 52 115 -63 71
COOLING
YESTERDAY 0 1 -1 0
MONTH TO DATE 24 28 -4 35
SINCE SEP 1 24 28 -4 35
SINCE JAN 1 558 525 33 532
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION NW (330)
HIGHEST GUST SPEED 20 HIGHEST GUST DIRECTION N (360)
AVERAGE WIND SPEED 4.8
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.1
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 90 6:00 AM
LOWEST 38 2:00 PM
AVERAGE 64
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THE WORLAND WY CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 75 93 1998
MINIMUM TEMPERATURE (F) 42 21 1965
SUNRISE AND SUNSET
SEPTEMBER 18 2025.....SUNRISE 6:55 AM MDT SUNSET 7:16 PM MDT
SEPTEMBER 19 2025.....SUNRISE 6:56 AM MDT SUNSET 7:14 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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