439
CDUS45 KRIW 260732
CLIP60
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
132 AM MDT WED AUG 26 2026
...............................
..THE LAKE YELLOWSTONE WY CLIMATE SUMMARY FOR AUGUST 25 2026
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1998 TO 2026
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...............................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 72 3:05 PM 80 2008 69 3 76
2015
MINIMUM 46 10:34 PM 28 2005 35 11 35
2016
AVERAGE 59 52 7 56
PRECIPITATION (IN)
YESTERDAY 0.00 0.80 2004 0.04 -0.04 0.00
MONTH TO DATE 2.11 1.06 1.05 0.09
SINCE JUN 1 5.07 4.95 0.12 1.48
SINCE JAN 1 13.31 14.98 -1.67 10.71
DEGREE DAYS
HEATING
YESTERDAY 6 13 -7 9
MONTH TO DATE 185 261 -76 207
SINCE JUN 1 815 1095 -280 880
SINCE JUL 1 301 557 -256 438
COOLING
YESTERDAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE JUN 1 2 0 2 1
SINCE JAN 1 2 0 2 1
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 12 HIGHEST WIND DIRECTION W (290)
HIGHEST GUST SPEED 21 HIGHEST GUST DIRECTION NW (310)
AVERAGE WIND SPEED 2.1
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 86 6:00 AM
LOWEST 32 4:00 PM
AVERAGE 59
......................................................
THE LAKE YELLOWSTONE WY CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 68 80 2010
2011
MINIMUM TEMPERATURE (F) 35 29 2005
2019
SUNRISE AND SUNSET
AUGUST 26 2026........SUNRISE 6:37 AM MDT SUNSET 8:09 PM MDT
AUGUST 27 2026........SUNRISE 6:39 AM MDT SUNSET 8:07 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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