149
CDUS45 KRIW 240731
CLIP60
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
131 AM MDT MON AUG 24 2026
...............................
..THE LAKE YELLOWSTONE WY CLIMATE SUMMARY FOR AUGUST 23 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 73 5:03 PM 80 2025 69 4 80
MINIMUM 42 5:33 AM 27 2015 36 6 37
AVERAGE 58 52 6 59
PRECIPITATION (IN)
YESTERDAY 0.00 0.41 2004 0.05 -0.05 0.00
MONTH TO DATE 2.11 0.98 1.13 0.09
SINCE JUN 1 5.07 4.87 0.20 1.48
SINCE JAN 1 13.31 14.90 -1.59 10.71
DEGREE DAYS
HEATING
YESTERDAY 7 13 -6 6
MONTH TO DATE 172 235 -63 192
SINCE JUN 1 802 1069 -267 865
SINCE JUL 1 288 531 -243 423
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 13 HIGHEST WIND DIRECTION W (250)
HIGHEST GUST SPEED 26 HIGHEST GUST DIRECTION SW (240)
AVERAGE WIND SPEED 2.3
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 100 3:00 AM
LOWEST 33 5:00 PM
AVERAGE 67
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THE LAKE YELLOWSTONE WY CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 69 80 2020
MINIMUM TEMPERATURE (F) 35 28 2010
SUNRISE AND SUNSET
AUGUST 24 2026........SUNRISE 6:35 AM MDT SUNSET 8:12 PM MDT
AUGUST 25 2026........SUNRISE 6:36 AM MDT SUNSET 8:10 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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