Climatological Report (Monthly) Issued by NWS
000
CXUS55 KRIW 011612
CLMCPR
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
1000 AM MDT SAT JUL 01 2023
...PRELIMINARY MONTHLY CLIMATE SUMMARY FOR CASPER FOR THE MONTH OF
JUNE 2023...
...OFFICIAL CLIMATE DATA FOR THE MONTH OF JUNE 2023 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
...JUNE WAS WETTER AND COLDER THAN NORMAL FOR CASPER...
THE AVERAGE TEMPERATURE FOR CASPER IN JUNE WAS 60.2 DEGREES WHICH
WAS 2.3 DEGREES BELOW NORMAL. THE WARMEST READING FOR THE MONTH WAS
84 DEGREES ON THE 19TH. THE COLDEST TEMPERATURE WAS 38 DEGREES ON
THE 17TH AND AGAIN ON THE 25TH...WHICH TIED THE 1993 RECORD FOR THE
DAY.
PRECIPITATION FOR THE MONTH WAS 3.29 INCHES...WHICH IS 246 PERCENT
OF NORMAL...AND THE SEVENTH WETTEST JUNE ON RECORD. THE WETTEST 24-
HOUR PERIOD WAS ON THE 15TH-16TH WHEN 0.88 INCHES FELL. THE 4TH HAD
0.51 INCHES WHICH BROKE THE 1983 RECORD OF 0.38. THE HIGHEST WIND
GUST WAS 57 MPH FROM THE WEST ON THE 20TH
...THE CASPER WY CLIMATE SUMMARY FOR THE MONTH OF JUNE 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 102 06/30/1990
06/24/1988
LOW 25 06/10/2019
HIGHEST 84 06/19
LOWEST 38 06/17
06/25
AVG. MAXIMUM 73.2 79.6 -6.4
AVG. MINIMUM 47.1 45.4 1.7
MEAN 60.1 62.5 -2.4
DAYS MAX >= 90 0
DAYS MAX <= 32 0
DAYS MIN <= 32 0
DAYS MIN <= 0 0
PRECIPITATION (INCHES)
RECORD
MAXIMUM 4.71 2003
MINIMUM 0.03 1956
TOTALS 3.29 1.34 1.95 0.21
DAILY AVG. 0.11 0.04 0.07
DAYS >= .01 15
DAYS >= .10 9
DAYS >= .50 2
DAYS >= 1.00 0
GREATEST
24 HR. TOTAL 0.88 06/15 TO 06/16
STORM TOTAL 0.55
SNOWFALL (INCHES)
TOTALS 0.0 0.1 -0.1
SINCE 7/1 134.3 71.8 62.5
SNOWDEPTH AVG. 0
DAYS >= 1.0 0
DEGREE DAYS
HEATING TOTAL 147 126 21
SINCE 7/1 8085 7487 598
COOLING TOTAL 7 51 -44
SINCE 1/1 7 55 -48
..............................................................
WIND (MPH)
AVERAGE WIND SPEED 8.0
RESULTANT WIND SPEED/DIRECTION 1/280
HIGHEST WIND SPEED/DIRECTION 39/300 DATE 06/20
HIGHEST GUST SPEED/DIRECTION 57/290 DATE 06/20
SKY COVER
POSSIBLE SUNSHINE (PERCENT) MM
AVERAGE SKY COVER 0.38
NUMBER OF DAYS FAIR 17
NUMBER OF DAYS PC 9
NUMBER OF DAYS CLOUDY 4
AVERAGE RH (PERCENT) 71
WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM 23 MIXED PRECIP 0
HEAVY RAIN 4 RAIN 6
LIGHT RAIN 19 FREEZING RAIN 0
LT FREEZING RAIN 0 HAIL 0
HEAVY SNOW 0 SNOW 0
LIGHT SNOW 0 SLEET 0
FOG 16 FOG W/VIS <= 1/4 MILE 3
HAZE 3
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
LOOKING AHEAD TO JULY 2023...THE AVERAGE HIGH TEMPERATURE ON THE
FIRST OF THE MONTH IS 86 DEGREES...AND THE AVERAGE LOW TEMPERATURE
IS 50 DEGREES. THE AVERAGE HIGH BY THE END OF THE MONTH IS 90
DEGREES...AND THE AVERAGE LOW TEMPERATURE IS 55. THE AVERAGE MONTHLY
PRECIPITATION IS 1.19 INCHES.
$$