558
CDUS45 KRIW 220728
CLIP60
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
128 AM MDT WED OCT 22 2025
...............................
..THE LAKE YELLOWSTONE WY CLIMATE SUMMARY FOR OCTOBER 21 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 3:37 PM 63 2003 43 0 53
MINIMUM 24 11:59 PM 13 2007 20 4 26
AVERAGE 34 32 2 40
PRECIPITATION (IN)
YESTERDAY 0.00 0.33 2020 0.06 -0.06 0.00
MONTH TO DATE 2.87 1.21 1.66 0.24
SINCE SEP 1 4.33 2.78 1.55 1.67
SINCE JAN 1 16.04 18.04 -2.00 16.86
DEGREE DAYS
HEATING
YESTERDAY 31 33 -2 25
MONTH TO DATE 558 615 -57 448
SINCE SEP 1 1042 1203 -161 927
SINCE JUL 1 1558 1845 -287 1504
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 (260)
HIGHEST GUST SPEED 13 HIGHEST GUST DIRECTION S (200)
AVERAGE WIND SPEED 1.1
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 92 12:00 AM
LOWEST 46 1:00 PM
AVERAGE 69
......................................................
THE LAKE YELLOWSTONE WY CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 43 66 2003
MINIMUM TEMPERATURE (F) 20 1 2020
SUNRISE AND SUNSET
OCTOBER 22 2025.......SUNRISE 7:46 AM MDT SUNSET 6:25 PM MDT
OCTOBER 23 2025.......SUNRISE 7:48 AM MDT SUNSET 6:23 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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