849
CDUS45 KRIW 200729
CLIRIW
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
129 AM MDT MON OCT 20 2025
...............................
..THE RIVERTON WY CLIMATE SUMMARY FOR OCTOBER 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 MM MM 72 2023 56 MM 54
MINIMUM MM MM 23 1999 30 MM 23
2024
AVERAGE MM 43 MM 39
PRECIPITATION (IN)
YESTERDAY MM 0.78 0.02 MM 0.00
MONTH TO DATE 1.43 0.63 0.80 0.11
SINCE SEP 1 2.42 1.40 1.02 0.18
SINCE JAN 1 8.67 7.76 0.91 5.61
SNOWFALL (IN)
YESTERDAY 0.0 0.0 2021 0.0
MONTH TO DATE T T
SINCE SEP 1 T T
SINCE JUL 1 T T
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY MM 22 MM 26
MONTH TO DATE 227 334 -107 180
SINCE SEP 1 324 539 -215 266
SINCE JUL 1 327 575 -248 284
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) 56 76 2003
MINIMUM TEMPERATURE (F) 30 21 1996
SUNRISE AND SUNSET
OCTOBER 20 2025.......SUNRISE 7:34 AM MDT SUNSET 6:22 PM MDT
OCTOBER 21 2025.......SUNRISE 7:35 AM MDT SUNSET 6:21 PM MDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page