805
CDUS45 KRIW 030728
CLIP60
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
128 AM MDT SUN AUG 03 2025
...............................
..THE LAKE YELLOWSTONE WY CLIMATE SUMMARY FOR AUGUST 2 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 75 3:12 PM 82 2016 74 1 82
2020
2024
MINIMUM 37 5:53 AM 36 2006 40 -3 38
AVERAGE 56 57 -1 60
PRECIPITATION (IN)
YESTERDAY 0.01 0.45 2021 0.05 -0.04 0.00
MONTH TO DATE 0.01 0.09 -0.08 0.00
SINCE JUN 1 1.40 3.98 -2.58 1.74
SINCE JAN 1 10.63 14.01 -3.38 13.94
DEGREE DAYS
HEATING
YESTERDAY 9 8 1 5
MONTH TO DATE 18 16 2 13
SINCE JUN 1 691 850 -159 704
SINCE JUL 1 249 312 -63 275
COOLING
YESTERDAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE JUN 1 1 0 1 0
SINCE JAN 1 1 0 1 0
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION NW (300)
HIGHEST GUST SPEED 31 HIGHEST GUST DIRECTION W (290)
AVERAGE WIND SPEED 2.4
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 89 5:00 AM
LOWEST 19 3:00 PM
AVERAGE 54
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THE LAKE YELLOWSTONE WY CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 73 84 2024
MINIMUM TEMPERATURE (F) 40 32 2006
SUNRISE AND SUNSET
AUGUST 3 2025........SUNRISE 6:11 AM MDT SUNSET 8:44 PM MDT
AUGUST 4 2025........SUNRISE 6:12 AM MDT SUNSET 8:43 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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