265
CDUS45 KRIW 190045
CLIRIW
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
645 PM MDT SAT OCT 18 2025
...............................
..THE RIVERTON WY CLIMATE SUMMARY FOR OCTOBER 18 2025
VALID TODAY AS OF 0600 PM LOCAL TIME.
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)
TODAY
MAXIMUM MM MM 77 2003 57 MM 41
MINIMUM MM MM 22 1996 31 MM 30
2012
AVERAGE MM 44 MM 36
PRECIPITATION (IN)
TODAY 0.00 0.09 2021 0.03 -0.03 0.05
MONTH TO DATE 1.43 0.61 0.82 0.11
SINCE SEP 1 2.42 1.38 1.04 0.18
SINCE JAN 1 8.67 7.74 0.93 5.61
SNOWFALL (IN)
TODAY MM T
MONTH TO DATE T T
SINCE SEP 1 T T
SINCE JUL 1 T T
SNOW DEPTH MM
DEGREE DAYS
HEATING
TODAY MM 21 MM 29
MONTH TO DATE 227 312 -85 154
SINCE SEP 1 324 517 -193 240
SINCE JUL 1 327 553 -226 258
COOLING
TODAY MM 0 MM 0
MONTH TO DATE 0 0 0 1
SINCE SEP 1 37 31 6 68
SINCE JAN 1 611 499 112 610
...............................................................
WIND (MPH)
HIGHEST WIND SPEED MM HIGHEST WIND DIRECTION MM
HIGHEST GUST SPEED MM HIGHEST GUST DIRECTION MM
AVERAGE WIND SPEED MM
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER MM
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST MM
LOWEST MM
AVERAGE MM
......................................................
THE RIVERTON WY CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 56 72 2023
MINIMUM TEMPERATURE (F) 30 23 1999
2024
SUNRISE AND SUNSET
OCTOBER 18 2025.......SUNRISE 7:31 AM MDT SUNSET 6:26 PM MDT
OCTOBER 19 2025.......SUNRISE 7:33 AM MDT SUNSET 6:24 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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