224
CDUS45 KRIW 300726
CLIP60
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
126 AM MDT THU OCT 30 2025
...............................
..THE LAKE YELLOWSTONE WY CLIMATE SUMMARY FOR OCTOBER 29 2025
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1998 TO 2025
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...............................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 43 1:58 PM 54 2007 40 3 31
MINIMUM 13 7:28 AM -13 2019 17 -4 23
AVERAGE 28 28 0 27
PRECIPITATION (IN)
YESTERDAY 0.00 0.32 2016 0.07 -0.07 0.05
MONTH TO DATE 3.48 1.73 1.75 0.45
SINCE SEP 1 4.94 3.30 1.64 1.88
SINCE JAN 1 16.65 18.56 -1.91 17.07
DEGREE DAYS
HEATING
YESTERDAY 37 37 0 38
MONTH TO DATE 834 897 -63 656
SINCE SEP 1 1318 1485 -167 1135
SINCE JUL 1 1834 2127 -293 1712
COOLING
YESTERDAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE SEP 1 0 0 0 0
SINCE JAN 1 1 0 1 0
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WIND (MPH)
HIGHEST WIND SPEED 9 HIGHEST WIND DIRECTION W (250)
HIGHEST GUST SPEED 16 HIGHEST GUST DIRECTION W (250)
AVERAGE WIND SPEED 2.0
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.0
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 96 1:00 AM
LOWEST 33 2:00 PM
AVERAGE 65
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THE LAKE YELLOWSTONE WY CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 39 56 2008
MINIMUM TEMPERATURE (F) 17 -15 2019
SUNRISE AND SUNSET
OCTOBER 30 2025.......SUNRISE 7:57 AM MDT SUNSET 6:13 PM MDT
OCTOBER 31 2025.......SUNRISE 7:58 AM MDT SUNSET 6:12 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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