Climatological Report (Daily)
Issued by NWS
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CDUS45 KRIW 200728
CLIP60
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
1228 AM MST THU NOV 20 2025
...................................
...THE LAKE YELLOWSTONE WY CLIMATE SUMMARY FOR NOVEMBER 19 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 40 1:47 PM 47 2008 30 10 19
MINIMUM 25 11:59 PM -12 2022 10 15 -4
AVERAGE 33 20 13 8
PRECIPITATION (IN)
YESTERDAY 0.03 0.37 2020 0.07 -0.04 0.00
MONTH TO DATE 0.70 1.31 -0.61 0.74
SINCE SEP 1 5.64 4.73 0.91 2.77
SINCE JAN 1 17.35 19.99 -2.64 17.96
DEGREE DAYS
HEATING
YESTERDAY 32 45 -13 57
MONTH TO DATE 586 785 -199 811
SINCE SEP 1 1979 2345 -366 2032
SINCE JUL 1 2495 2987 -492 2609
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
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 8 HIGHEST WIND DIRECTION W (270)
HIGHEST GUST SPEED 14 HIGHEST GUST DIRECTION W (290)
AVERAGE WIND SPEED 0.7
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 12:00 AM
LOWEST 48 4:00 PM
AVERAGE 72
..........................................................
THE LAKE YELLOWSTONE WY CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 30 45 2016
MINIMUM TEMPERATURE (F) 9 -12 2015
SUNRISE AND SUNSET
NOVEMBER 20 2025......SUNRISE 7:25 AM MST SUNSET 4:49 PM MST
NOVEMBER 21 2025......SUNRISE 7:26 AM MST SUNSET 4:48 PM MST
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$