161
CDUS45 KRIW 210730
CLIP60
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
130 AM MDT THU SEP 21 2023
...............................
..THE LAKE YELLOWSTONE WY CLIMATE SUMMARY FOR SEPTEMBER 20 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 59 2:22 PM 69 2012 59 0 68
2016
MINIMUM 29 5:50 AM 20 2000 29 0 30
AVERAGE 44 44 0 49
PRECIPITATION (IN)
YESTERDAY 0.40 0.60 2019 0.06 0.34 0.00
MONTH TO DATE 2.28 1.02 1.26 0.83
SINCE SEP 1 2.28 1.02 1.26 0.83
SINCE JAN 1 20.31 16.28 4.03 18.84
DEGREE DAYS
HEATING
YESTERDAY 21 21 0 16
MONTH TO DATE 285 358 -73 267
SINCE SEP 1 285 358 -73 267
SINCE JUL 1 818 1000 -182 711
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 9 HIGHEST WIND DIRECTION W (270)
HIGHEST GUST SPEED 20 HIGHEST GUST DIRECTION S (190)
AVERAGE WIND SPEED 2.8
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.0
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
THUNDERSTORM
RAIN
LIGHT RAIN
RELATIVE HUMIDITY (PERCENT)
HIGHEST 93 10:00 PM
LOWEST 30 2:00 PM
AVERAGE 62
......................................................
THE LAKE YELLOWSTONE WY CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 58 69 2001
2012
MINIMUM TEMPERATURE (F) 29 22 2004
2021
SUNRISE AND SUNSET
SEPTEMBER 21 2023.....SUNRISE 7:07 AM MDT SUNSET 7:21 PM MDT
SEPTEMBER 22 2023.....SUNRISE 7:09 AM MDT SUNSET 7:19 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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