423
CDUS45 KRIW 180728
CLIRIW
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
128 AM MDT SAT OCT 18 2025
...............................
..THE RIVERTON WY CLIMATE SUMMARY FOR OCTOBER 17 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 MM MM 74 2003 57 MM 60
2023
MINIMUM MM MM 16 1999 31 MM 39
AVERAGE MM 44 MM 50
PRECIPITATION (IN)
YESTERDAY 0.00 0.24 0.02 -0.02 0.06
MONTH TO DATE 1.43 0.58 0.85 0.06
SINCE SEP 1 2.42 1.35 1.07 0.13
SINCE JAN 1 8.67 7.71 0.96 5.56
SNOWFALL (IN)
YESTERDAY 0.0 1.5 2013 0.0
MONTH TO DATE T 0.0
SINCE SEP 1 T 0.0
SINCE JUL 1 T 0.0
SNOW DEPTH MM
DEGREE DAYS
HEATING
YESTERDAY MM 21 MM 15
MONTH TO DATE 227 291 -64 125
SINCE SEP 1 324 496 -172 211
SINCE JUL 1 327 532 -205 229
COOLING
YESTERDAY 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 YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST MM
LOWEST MM
AVERAGE MM
......................................................
THE RIVERTON WY CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 57 77 2003
MINIMUM TEMPERATURE (F) 31 22 1996
2012
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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