992
CDUS45 KRIW 140745
CLIP60
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
145 AM MDT THU SEP 14 2023
...............................
..THE LAKE YELLOWSTONE WY CLIMATE SUMMARY FOR SEPTEMBER 13 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 58 11:35 AM 73 2015 62 -4 69
MINIMUM 36 2:20 AM 24 2003 31 5 33
2012
2014
AVERAGE 47 46 1 51
PRECIPITATION (IN)
YESTERDAY 0.68R 0.27 2017 0.05 0.63 0.00
MONTH TO DATE 1.88 0.65 1.23 0.15
SINCE SEP 1 1.88 0.65 1.23 0.15
SINCE JAN 1 19.91 15.91 4.00 18.16
DEGREE DAYS
HEATING
YESTERDAY 18 19 -1 14
MONTH TO DATE 192 218 -26 136
SINCE SEP 1 192 218 -26 136
SINCE JUL 1 725 860 -135 580
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 13 HIGHEST WIND DIRECTION NW (300)
HIGHEST GUST SPEED 24 HIGHEST GUST DIRECTION W (290)
AVERAGE WIND SPEED 1.1
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.0
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
RAIN
LIGHT RAIN
RELATIVE HUMIDITY (PERCENT)
HIGHEST 100 9:00 PM
LOWEST 64 11:00 AM
AVERAGE 82
......................................................
THE LAKE YELLOWSTONE WY CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 62 74 2020
MINIMUM TEMPERATURE (F) 31 22 2003
SUNRISE AND SUNSET
SEPTEMBER 14 2023.....SUNRISE 6:59 AM MDT SUNSET 7:34 PM MDT
SEPTEMBER 15 2023.....SUNRISE 7:00 AM MDT SUNSET 7:32 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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