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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.

$$