155
CDUS45 KRIW 200731
CLIP60
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
131 AM MDT WED SEP 20 2023
...............................
..THE LAKE YELLOWSTONE WY CLIMATE SUMMARY FOR SEPTEMBER 19 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 62 3:52 PM 72 2009 59 3 65
2010
MINIMUM 31 6:40 AM 22 2003 30 1 32
AVERAGE 47 44 3 49
PRECIPITATION (IN)
YESTERDAY 0.00 0.94 2021 0.05 -0.05 0.00
MONTH TO DATE 1.88 0.96 0.92 0.83
SINCE SEP 1 1.88 0.96 0.92 0.83
SINCE JAN 1 19.91 16.22 3.69 18.84
DEGREE DAYS
HEATING
YESTERDAY 18 21 -3 16
MONTH TO DATE 264 337 -73 251
SINCE SEP 1 264 337 -73 251
SINCE JUL 1 797 979 -182 695
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
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 10 HIGHEST WIND DIRECTION W (270)
HIGHEST GUST SPEED 23 HIGHEST GUST DIRECTION S (160)
AVERAGE WIND SPEED 2.9
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 73 9:00 PM
LOWEST 19 2:00 PM
AVERAGE 46
......................................................
THE LAKE YELLOWSTONE WY CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 59 69 2012
2016
MINIMUM TEMPERATURE (F) 29 20 2000
SUNRISE AND SUNSET
SEPTEMBER 20 2023.....SUNRISE 7:06 AM MDT SUNSET 7:23 PM MDT
SEPTEMBER 21 2023.....SUNRISE 7:07 AM MDT SUNSET 7:21 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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