329
CDUS45 KRIW 100734
CLIP60
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
134 AM MDT SUN SEP 10 2023
...............................
..THE LAKE YELLOWSTONE WY CLIMATE SUMMARY FOR SEPTEMBER 9 2023
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1998 TO 2023
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...............................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 67 2:40 PM 81 2021 64 3 54
MINIMUM 34 6:21 AM 18 2020 32 2 25
AVERAGE 51 48 3 40
PRECIPITATION (IN)
YESTERDAY 0.00 0.28 2014 0.05 -0.05 0.00
MONTH TO DATE 1.19 0.45 0.74 0.15
SINCE SEP 1 1.19 0.45 0.74 0.15
SINCE JAN 1 19.22 15.71 3.51 18.16
DEGREE DAYS
HEATING
YESTERDAY 14 17 -3 25
MONTH TO DATE 126 145 -19 69
SINCE SEP 1 126 145 -19 69
SINCE JUL 1 659 787 -128 513
COOLING
YESTERDAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE SEP 1 0 0 0 0
SINCE JAN 1 0 0 0 0
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WIND (MPH)
HIGHEST WIND SPEED 10 HIGHEST WIND DIRECTION SW (210)
HIGHEST GUST SPEED 24 HIGHEST GUST DIRECTION SW (230)
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 96 6:00 AM
LOWEST 24 5:00 PM
AVERAGE 60
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THE LAKE YELLOWSTONE WY CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 63 75 2021
MINIMUM TEMPERATURE (F) 32 22 2007
SUNRISE AND SUNSET
SEPTEMBER 10 2023.....SUNRISE 6:55 AM MDT SUNSET 7:42 PM MDT
SEPTEMBER 11 2023.....SUNRISE 6:56 AM MDT SUNSET 7:40 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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