Climatological Report (Monthly)
Issued by NWS
Issued by NWS
397
CXUS55 KRIW 011921
CLMP60
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
121 PM MDT SUN SEP 01 2024
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...THE LAKE YELLOWSTONE WY CLIMATE SUMMARY FOR THE MONTH OF AUGUST 2024...
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1998 TO 2024
WEATHER OBSERVED NORMAL DEPART LAST YEAR`S
VALUE DATE(S) VALUE FROM VALUE
NORMAL
..............................................................
TEMPERATURE (F)
RECORD
HIGH 85 08/17/2020
LOW 25 08/31/2005
HIGHEST 84 08/03
LOWEST 26 08/29
AVG. MAXIMUM 71.3 70.7 0.6
AVG. MINIMUM 38.1 37.0 1.1
MEAN 54.7 53.9 0.8
DAYS MAX >= 90 0
DAYS MAX <= 32 0
DAYS MIN <= 32 3
DAYS MIN <= 0 0
PRECIPITATION (INCHES)
RECORD
MAXIMUM 4.37 2023
MINIMUM 0.13 2012
TOTALS 1.25 1.34 -0.09 4.37
DAILY AVG. 0.04 0.04 -0.00
DAYS >= .01 13
DAYS >= .10 6
DAYS >= .50 0
DAYS >= 1.00 0
GREATEST
24 HR. TOTAL 0.30 08/13 TO 08/14
STORM TOTAL 0.29
DEGREE DAYS
HEATING TOTAL 315 346 -31
SINCE 7/1 577 641 -64
COOLING TOTAL 0 0 0
SINCE 1/1 0 0 0
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WIND (MPH)
AVERAGE WIND SPEED 2.4
RESULTANT WIND SPEED/DIRECTION 0/340
HIGHEST WIND SPEED/DIRECTION 20/290 DATE 08/04
HIGHEST GUST SPEED/DIRECTION 39/280 DATE 08/06
SKY COVER
POSSIBLE SUNSHINE (PERCENT) MM
AVERAGE SKY COVER 0.00
NUMBER OF DAYS FAIR 18
NUMBER OF DAYS PC 0
NUMBER OF DAYS CLOUDY 0
AVERAGE RH (PERCENT) 60
WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM 4 MIXED PRECIP 0
HEAVY RAIN 0 RAIN 1
LIGHT RAIN 13 FREEZING RAIN 0
LT FREEZING RAIN 0 HAIL 0
HEAVY SNOW 0 SNOW 0
LIGHT SNOW 0 SLEET 0
FOG 0 FOG W/VIS <= 1/4 MILE 0
HAZE 0
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
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