Climatological Report (Daily)
Issued by NWS
Issued by NWS
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985
CDUS45 KRIW 150728
CLIP60
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
128 AM MDT TUE JUL 15 2025
...................................
...THE LAKE YELLOWSTONE WY CLIMATE SUMMARY FOR JULY 14 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 81 2:47 PM 86 2002 73 8 80
MINIMUM 50 11:59 PM 29 2010 39 11 43
AVERAGE 66 56 10 62
PRECIPITATION (IN)
YESTERDAY 0.00 0.46 2012 0.05 -0.05 0.14
MONTH TO DATE 0.13 0.68 -0.55 0.26
SINCE JUN 1 0.78 3.06 -2.28 1.50
SINCE JAN 1 10.01 13.09 -3.08 13.70
DEGREE DAYS
HEATING
YESTERDAY 0 9 -9 3
MONTH TO DATE 108 154 -46 141
SINCE JUN 1 550 692 -142 570
SINCE JUL 1 108 154 -46 141
COOLING
YESTERDAY 1 0 1 0
MONTH TO DATE 1 0 1 0
SINCE JUN 1 1 0 1 0
SINCE JAN 1 1 0 1 0
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION NW (310)
HIGHEST GUST SPEED 29 HIGHEST GUST DIRECTION N (340)
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 69 4:00 AM
LOWEST 19 3:00 PM
AVERAGE 44
..........................................................
THE LAKE YELLOWSTONE WY CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 73 85 2006
MINIMUM TEMPERATURE (F) 39 31 2010
2020
SUNRISE AND SUNSET
JULY 15 2025..........SUNRISE 5:51 AM MDT SUNSET 9:04 PM MDT
JULY 16 2025..........SUNRISE 5:52 AM MDT SUNSET 9:03 PM MDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$