Climatological Report (Daily)
Issued by NWS
Issued by NWS
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CDUS45 KRIW 290727
CLIP60
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
127 AM MDT WED JUL 29 2026
...................................
...THE LAKE YELLOWSTONE WY CLIMATE SUMMARY FOR JULY 28 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 81 4:26 PM 84 2006 74 7 81
MINIMUM 43 5:31 AM 30 2015 40 3 36
AVERAGE 62 57 5 59
PRECIPITATION (IN)
YESTERDAY 0.00 0.51 2017 0.05 -0.05 0.00
MONTH TO DATE 0.85 1.38 -0.53 0.49
SINCE JUN 1 2.96 3.76 -0.80 1.14
SINCE JAN 1 11.20 13.79 -2.59 10.37
DEGREE DAYS
HEATING
YESTERDAY 3 8 -5 6
MONTH TO DATE 108 270 -162 211
SINCE JUN 1 622 808 -186 653
SINCE JUL 1 108 270 -162 211
COOLING
YESTERDAY 0 0 0 0
MONTH TO DATE 2 0 2 1
SINCE JUN 1 2 0 2 1
SINCE JAN 1 2 0 2 1
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 12 HIGHEST WIND DIRECTION W (280)
HIGHEST GUST SPEED 21 HIGHEST GUST DIRECTION W (280)
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 97 3:00 AM
LOWEST 18 4:00 PM
AVERAGE 58
..........................................................
THE LAKE YELLOWSTONE WY CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 74 82 2006
MINIMUM TEMPERATURE (F) 40 28 2015
SUNRISE AND SUNSET
JULY 29 2026..........SUNRISE 6:05 AM MDT SUNSET 8:50 PM MDT
JULY 30 2026..........SUNRISE 6:06 AM MDT SUNSET 8:49 PM MDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$