Climatological Report (Monthly)
Issued by NWS

Current Version | Previous Version | Text Only | Print | Product List | Glossary On
Versions: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50
000
CXUS55 KRIW 030227 CCA
CLMCPR

CLIMATE REPORT...CORRECTED
NATIONAL WEATHER SERVICE RIVERTON WY
237 PM MDT FRI JUN 2 2018

..PRELIMINARY MONTHLY CLIMATE SUMMARY FOR THE NATRONA COUNTY
INTERNATIONAL AIRPORT NEAR CASPER FOR THE MONTH OF MAY 2018...

...OFFICIAL CLIMATE DATA FOR THE MONTH OF MAY 2018 WILL BE
AVAILABLE APPROXIMATELY IN 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 WARMER AND WETTER THAN NORMAL FOR CASPER...

THE AVERAGE TEMPERATURE FOR CASPER IN MAY WAS 55.7 DEGREES. THIS
WAS 3.5 DEGREES ABOVE NORMAL...MAKING IT THE 8TH WARMEST MAY ON
RECORD.  THE WARMEST READING OF THE MONTH WAS 88 DEGREES ON THE
26TH. THE COLDEST READING WAS 29 DEGREES ON THE 1ST. NO TEMPERATURE
RECORDS WERE BROKEN DURING THE MONTH OF MAY.

TOTAL PRECIPITATION FOR THE MONTH WAS 2.86 INCHES...WHICH WAS 142
PERCENT OF NORMAL. THE WETTEST 24 HOUR PERIOD OF THE MONTH WAS ON
THE 11TH WHEN 0.63 INCHES OF PRECIPITATION FELL. SNOWFALL FOR MAY
WAS A TRACE...WHICH IS 2.9 INCHES BELOW NORMAL...OR ONLY 0 PERCENT
OF NORMAL. NO PRECIPITATION OR SNOW RECORDS WERE BROKEN THIS
MONTH. THE HIGHEST WIND GUST WAS 46 MPH ON THE 17TH.

...THE CASPER WY CLIMATE SUMMARY FOR THE MONTH OF MAY 2018...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1939 TO 2018

WEATHER         OBSERVED          NORMAL  DEPART
                 VALUE   DATE(S)  VALUE   FROM
                                          NORMAL
................................................
TEMPERATURE (F)
RECORD
 HIGH              95   05/29/2003
 LOW               16   05/12/1953
HIGHEST            88   05/26
LOWEST             29   05/01
AVG. MAXIMUM     70.8              67.1     3.7
AVG. MINIMUM     40.5              37.2     3.3
MEAN             55.7              52.2     3.5
DAYS MAX >= 90      0
DAYS MAX <= 32      0
DAYS MIN <= 32      2
DAYS MIN <= 0       0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM         6.46   1978
 MINIMUM         0.30   1966
TOTALS           2.86              2.02    0.84
DAILY AVG.       0.09              0.07    0.02
DAYS >= .01        13
DAYS >= .10         7
DAYS >= .50         2
DAYS >= 1.00        0
GREATEST
 24 HR. TOTAL    0.63   05/11 TO 05/11

SNOWFALL (INCHES)
TOTALS              T               2.9    -2.9
SINCE 7/1        71.7              74.8    -3.1
DAYS >= 1.0         0

DEGREE_DAYS
HEATING TOTAL     282               402    -120
 SINCE 7/1       7338              7444    -106
COOLING TOTAL       2                 4      -2
 SINCE 1/1          2                 4      -2
.................................................

WIND (MPH)
AVERAGE WIND SPEED              8.8
RESULTANT WIND SPEED/DIRECTION   1/303
HIGHEST WIND SPEED/DIRECTION    39/300    DATE  05/17
HIGHEST GUST SPEED/DIRECTION    46/300    DATE  05/17

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.30
NUMBER OF DAYS FAIR           18
NUMBER OF DAYS PC              9
NUMBER OF DAYS CLOUDY          4

AVERAGE RH (PERCENT)     66

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              9     MIXED PRECIP               0
HEAVY RAIN                4     RAIN                       6
LIGHT RAIN               17     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       1
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                0     SLEET                      0
FOG                      17     FOG W/VIS <= 1/4 MILE      3
HAZE                      1

-  INDICATES NEGATIVE NUMBERS.
R  INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T  INDICATES TRACE AMOUNT.

LOOKING AHEAD TO JUNE 2018...THE AVERAGE HIGH TEMPERATURE ON THE
FIRST OF THE MONTH IS 73 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 50. THE AVERAGE MONTHLY
PRECIPITATION IS 1.61 INCHES. THE AVERAGE SNOWFALL IS 0.1 INCHES.

$$


USA.gov is the U.S. government's official web portal to all federal, state and local government web resources and services.