Climatological Report (Daily)
Issued by NWS
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CDUS45 KRIW 230726
CLIP60
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
126 AM MDT SUN AUG 23 2026
...................................
...THE LAKE YELLOWSTONE WY CLIMATE SUMMARY FOR AUGUST 22 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 74 1:42 PM 83 2009 69 5 79
MINIMUM 50 6:15 AM 27 2008 36 14 40
AVERAGE 62 53 9 60
PRECIPITATION (IN)
YESTERDAY 0.08 0.34 2004 0.04 0.04 0.00
MONTH TO DATE 2.11 0.93 1.18 0.09
SINCE JUN 1 5.07 4.82 0.25 1.48
SINCE JAN 1 13.31 14.85 -1.54 10.71
DEGREE DAYS
HEATING
YESTERDAY 3 12 -9 5
MONTH TO DATE 165 222 -57 186
SINCE JUN 1 795 1056 -261 859
SINCE JUL 1 281 518 -237 417
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 (280)
HIGHEST GUST SPEED 23 HIGHEST GUST DIRECTION NW (300)
AVERAGE WIND SPEED 1.5
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 93 10:00 PM
LOWEST 38 2:00 PM
AVERAGE 66
..........................................................
THE LAKE YELLOWSTONE WY CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 69 80 2025
MINIMUM TEMPERATURE (F) 36 27 2015
SUNRISE AND SUNSET
AUGUST 23 2026........SUNRISE 6:34 AM MDT SUNSET 8:14 PM MDT
AUGUST 24 2026........SUNRISE 6:35 AM MDT SUNSET 8:12 PM MDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$