Climatological Report (Monthly) Issued by NWS
000
CXUS55 KRIW 020531
CLMCPR
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
1131 PM MDT THU JUN 01 2023
...................................
...THE CASPER WY CLIMATE SUMMARY FOR THE MONTH OF MAY 2023...
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1939 TO 2023
WEATHER OBSERVED NORMAL DEPART LAST YEAR`S
VALUE DATE(S) VALUE FROM VALUE
NORMAL
..............................................................
TEMPERATURE (F)
RECORD
HIGH 95 05/29/2003
LOW 16 05/12/1953
HIGHEST 81 05/22
05/31
LOWEST 26 05/01
AVG. MAXIMUM 70.3 66.8 3.5
AVG. MINIMUM 40.1 37.1 3.0
MEAN 55.2 52.0 3.2
DAYS MAX >= 90 0
DAYS MAX <= 32 0
DAYS MIN <= 32 4
DAYS MIN <= 0 0
PRECIPITATION (INCHES)
RECORD
MAXIMUM 6.46 1978
MINIMUM 0.30 2020
TOTALS 2.03 2.21 -0.18 2.61
DAILY AVG. 0.07 0.07 -0.00
DAYS >= .01 14
DAYS >= .10 9
DAYS >= .50 1
DAYS >= 1.00 0
GREATEST
24 HR. TOTAL 0.53 05/24 TO 05/24
STORM TOTAL 0.53
SNOWFALL (INCHES)
TOTALS 0.0 2.6 -2.6
SINCE 7/1 134.3 71.7 62.6
SNOWDEPTH AVG. 0
DAYS >= 1.0 0
DEGREE DAYS
HEATING TOTAL 295 409 -114
SINCE 7/1 7938 7361 577
COOLING TOTAL 0 4 -4
SINCE 1/1 0 4 -4
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WIND (MPH)
AVERAGE WIND SPEED 9.5
RESULTANT WIND SPEED/DIRECTION 1/290
HIGHEST WIND SPEED/DIRECTION 37/230 DATE 05/06
HIGHEST GUST SPEED/DIRECTION 51/230 DATE 05/06
SKY COVER
POSSIBLE SUNSHINE (PERCENT) MM
AVERAGE SKY COVER 0.27
NUMBER OF DAYS FAIR 25
NUMBER OF DAYS PC 1
NUMBER OF DAYS CLOUDY 5
AVERAGE RH (PERCENT) 61
WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM 9 MIXED PRECIP 0
HEAVY RAIN 1 RAIN 4
LIGHT RAIN 17 FREEZING RAIN 0
LT FREEZING RAIN 0 HAIL 0
HEAVY SNOW 0 SNOW 0
LIGHT SNOW 0 SLEET 0
FOG 12 FOG W/VIS <= 1/4 MILE 0
HAZE 3
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
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