326
CDUS45 KRIW 280728
CLIP60
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
1228 AM MST FRI NOV 28 2025
...............................
..THE LAKE YELLOWSTONE WY CLIMATE SUMMARY FOR NOVEMBER 27 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 35 3:04 PM 43 1998 27 8 23
2017
MINIMUM 22 2:45 AM -12 2015 7 15 4
AVERAGE 29 17 12 14
PRECIPITATION (IN)
YESTERDAY 0.00 0.52 2017 0.07 -0.07 0.00
MONTH TO DATE 0.93 1.85 -0.92 1.15
SINCE SEP 1 5.87 5.27 0.60 3.18
SINCE JAN 1 17.58 20.53 -2.95 18.37
DEGREE DAYS
HEATING
YESTERDAY 36 48 -12 51
MONTH TO DATE 896 1158 -262 1160
SINCE SEP 1 2289 2718 -429 2381
SINCE JUL 1 2805 3360 -555 2958
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 7 HIGHEST WIND DIRECTION W (260)
HIGHEST GUST SPEED 14 HIGHEST GUST DIRECTION W (250)
AVERAGE WIND SPEED 1.2
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 7:00 AM
LOWEST 69 3:00 PM
AVERAGE 83
......................................................
THE LAKE YELLOWSTONE WY CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 27 40 2011
2014
2021
MINIMUM TEMPERATURE (F) 7 -13 2004
2022
SUNRISE AND SUNSET
NOVEMBER 28 2025......SUNRISE 7:35 AM MST SUNSET 4:44 PM MST
NOVEMBER 29 2025......SUNRISE 7:36 AM MST SUNSET 4:44 PM MST
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
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