Climatological Report (Monthly)
Issued by NWS
Issued by NWS
459
CXUS55 KRIW 041911
CLMCPR
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
103 PM MDT TUE JUN 04 2024
...PRELIMINARY MONTHLY CLIMATE SUMMARY FOR CASPER FOR THE MONTH OF
MAY 2024...
...OFFICIAL CLIMATE DATA FOR THE MONTH OF MAY 2024 WILL BE AVAILABLE
IN APPROXIMATELY 60 DAYS FROM THE NATIONAL CENTERS FOR ENVIRONMENTAL
INFORMATION (HTTP://WWW.NCDC.NOAA.GOV/CDO-WEB/DATASETS). UNOFFICIAL
ASOS DAILY SUMMARIES ARE AVAILABLE ON THE INTERNET AT
HTTP://WWW.WEATHER.GOV/CLIMATE/INDEX.PHP?WFO=RIW
...MAY WAS COLDER AND WETTER THAN NORMAL FOR CASPER...
THE AVERAGE TEMPERATURE FOR CASPER IN MAY WAS 49.8 DEGREES WHICH WAS
2.2 DEGREES BELOW NORMAL. THE WARMEST READING FOR THE MONTH WAS 86
DEGREES ON THE 29TH. THE COLDEST TEMPERATURE WAS 19 DEGREES ON THE
2ND. THE LOW ON THE 4TH OF 23 BROKE THE 1950 RECORD OF 24.
PRECIPITATION FOR THE MONTH WAS 2.44 INCHES...WHICH IS 110 PERCENT
OF NORMAL. THE WETTEST 24-HOUR PERIOD WAS ON THE 15TH WHEN 0.54
INCHES FELL. NO PRECIPITATION OR SNOWFALL RECORDS WERE BROKEN.
SNOWFALL FOR THE MONTH WAS 3.9 INCHES WHICH IS 150 PERCENT OF
NORMAL. THE SNOWIEST 24-HOURS WAS ON THE 3RD WITH 3.9 INCHES. THE
HIGHEST WIND GUST WAS 53 MPH FROM THE WEST ON THE 17TH AND 29TH.
...THE CASPER WY CLIMATE SUMMARY FOR THE MONTH OF MAY 2024...
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1939 TO 2024
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 86 05/29
LOWEST 19 05/02
AVG. MAXIMUM 64.6 66.8 -2.2
AVG. MINIMUM 35.0 37.1 -2.1
MEAN 49.8 52.0 -2.2
DAYS MAX >= 90 0
DAYS MAX <= 32 0
DAYS MIN <= 32 8
DAYS MIN <= 0 0
PRECIPITATION (INCHES)
RECORD
MAXIMUM 6.46 1978
MINIMUM 0.30 2020
TOTALS 2.44 2.21 0.23 2.03
DAILY AVG. 0.08 0.07 0.01
DAYS >= .01 8
DAYS >= .10 7
DAYS >= .50 1
DAYS >= 1.00 0
GREATEST
24 HR. TOTAL 0.54 05/14 TO 05/15
05/15 TO 05/15
05/20 TO 05/21
STORM TOTAL 0.54
SNOWFALL (INCHES)
TOTALS 3.9 2.6 1.3
SINCE 7/1 42.5 71.7 -29.2
SNOWDEPTH AVG. 0
DAYS >= 1.0 1
DEGREE DAYS
HEATING TOTAL 466 409 57
SINCE 7/1 6947 7361 -414
COOLING TOTAL 3 4 -1
SINCE 1/1 3 4 -1
..............................................................
WIND (MPH)
AVERAGE WIND SPEED 10.9
RESULTANT WIND SPEED/DIRECTION 5/260
HIGHEST WIND SPEED/DIRECTION 39/270 DATE 05/29
HIGHEST GUST SPEED/DIRECTION 53/260 DATE 05/17
53/280 05/29
SKY COVER
POSSIBLE SUNSHINE (PERCENT) MM
AVERAGE SKY COVER 0.39
NUMBER OF DAYS FAIR 17
NUMBER OF DAYS PC 8
NUMBER OF DAYS CLOUDY 6
AVERAGE RH (PERCENT) 60
WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM 2 MIXED PRECIP 0
HEAVY RAIN 0 RAIN 2
LIGHT RAIN 11 FREEZING RAIN 0
LT FREEZING RAIN 0 HAIL 0
HEAVY SNOW 1 SNOW 1
LIGHT SNOW 3 SLEET 0
FOG 9 FOG W/VIS <= 1/4 MILE 1
HAZE 5
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
LOOKING AHEAD TO JUNE 2024. THE AVERAGE HIGH TEMPERATURE ON THE
FIRST OF THE MONTH IS 74 DEGREES...AND THE AVERAGE LOW TEMPERATURE
IS 42 DEGREES. THE AVERAGE HIGH BY THE END OF THE MONTH IS 85
DEGREES...AND THE AVERAGE LOW TEMPERATURE IS 49. THE AVERAGE MONTHLY
PRECIPITATION IS 1.34 INCHES. THE AVERAGE MONTHLY SNOWFALL IS 0.1
INCHES.
$$