Climatological Report (Monthly)
Issued by NWS

Home | 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
000
CXUS55 KRIW 011938
CLMCPR

CYSCLMCPR 000
TTAA00 KRIW 011919


CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
118 PM MDT WED OCT 1 2014

...PRELIMINARY MONTHLY CLIMATE SUMMARY FOR THE NATRONA COUNTY
INTERNATIONAL AIRPORT NEAR CASPER FOR THE MONTH OF SEPTEMBER 2014...

..OFFICIAL CLIMATE DATA FOR THE MONTH OF SEPTEMBER 2014 WILL BE
AVAILABLE APPROXIMATELY IN NOVEMBER 2014 FROM THE NATIONAL CLIMATIC
DATA CENTER HTTP://WWW.NCDC.NOAA.GOV/OL/CLIMATEDATA.HTML).
UNOFFICIAL ASOS DAILY SUMMARIES ARE AVAILABLE ON THE INTERNET AT
HTTP://WWW.CRH.NOAA.GOV/RIW/CLIMATE/...

...CASPER WAS SLIGHTLY WARMER AND DRIER THAN AVERAGE FOR SEPTEMBER...

THE AVERAGE TEMPERATURE FOR CASPER IN AUGUST WAS 59.4
DEGREES...WHICH WAS 1.5 DEGREES ABOVE NORMAL.  THE WARMEST READING
FOR THE MONTH WAS A RECORD 92 DEGREES ON THE 18TH...WHICH BROKE THE
PREVIOUS DAILY RECORD HIGH FOR THE 18TH OF 89 DEGREES...LAST SET IN
1980. OTHER DAILY RECORD HIGHS INCLUDE 90 DEGREES ON THE
25TH...WHICH BROKE THE PREVIOUS HIGH OF 88 DEGREES LAST SET IN
2011...AND 90 DEGREES ON THE 26TH...WHICH TIED THE PREVIOUS RECORD
HIGH LAST SET IN 2010. THE COLDEST READING WAS A DAILY RECORD LOW OF
25 DEGREES ON THE 12TH...WHICH BROKE THE PREVIOUS DAILY RECORD LOW
OF 29 DEGREES...WHICH WAS LAST 1949. ONE OTHER DAILY RECORD LOW WAS
SET ON THE 11TH...WHEN A RECORD LOW OF 26 DEGREES BROKE THE PREVIOUS
RECORD LOW OF 27 DEGREES...WHICH WAS LAST SET 1989.

TOTAL PRECIPITATION FOR THE MONTH WAS 0.64 INCHES...WHICH WAS 59
PERCENT OF NORMAL. THE WETTEST 24 HOUR PERIOD OF THE MONTH...WAS ON
THE 28TH AND 29TH...WHEN 0.43 OF AN INCH OF PRECIPITATION FELL. NO
PRECIPITATION RECORDS WERE SET DURING THE MONTH. TOTAL SNOWFALL FOR
THE MONTH WAS AN INCH...WHICH WAS 56 PERCENT OF NORMAL. THE HIGHEST
WIND GUST WAS 64 MPH...WHICH OCCURRED ON THE 8TH.

...THE CASPER WY CLIMATE SUMMARY FOR THE MONTH OF SEPTEMBER 2014...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1939 TO 2014

WEATHER         OBSERVED          NORMAL  DEPART
                 VALUE   DATE(S)  VALUE   FROM
                                          NORMAL
................................................
TEMPERATURE (F)
RECORD
 HIGH              97   09/01/1995
 LOW               15   09/28/1945
HIGHEST            92   09/18
LOWEST             25   09/12
AVG. MAXIMUM     76.6              74.3     2.3
AVG. MINIMUM     42.2              41.4     0.8
MEAN             59.4              57.9     1.5
DAYS MAX >= 90      4
DAYS MAX <= 32      0
DAYS MIN <= 32      5
DAYS MIN <= 0       0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM         3.40   1982
 MINIMUM         0.07   1956
TOTALS           0.64              1.08   -0.44
DAILY AVG.       0.02              0.04   -0.02
DAYS >= .01         5
DAYS >= .10         3
DAYS >= .50         0
DAYS >= 1.00        0
GREATEST
 24 HR. TOTAL    0.43   09/28 TO 09/29

SNOWFALL (INCHES)
TOTALS            1.0               1.8    -0.8
SINCE 7/1         1.0               1.8    -0.8
DAYS >= 1.0         1

DEGREE_DAYS
HEATING TOTAL     190               239     -49
 SINCE 7/1        237               285     -48
COOLING TOTAL      29                25       4
 SINCE 1/1        357               422     -65
.................................................

WIND (MPH)
AVERAGE WIND SPEED              10.0
RESULTANT WIND SPEED/DIRECTION   2/266
HIGHEST WIND SPEED/DIRECTION    45/250    DATE  09/08
HIGHEST GUST SPEED/DIRECTION    64/250    DATE  09/08

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.20
NUMBER OF DAYS FAIR           23
NUMBER OF DAYS PC              4
NUMBER OF DAYS CLOUDY          3

AVERAGE RH (PERCENT)     52

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              0     MIXED PRECIP               0
HEAVY RAIN                1     RAIN                       2
LIGHT RAIN               10     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                1     SNOW                       1
LIGHT SNOW                2     SLEET                      0
FOG                       6     FOG W/VIS <= 1/4 MILE      2
HAZE                      1

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

LOOKING AHEAD TO OCTOBER 2014...THE AVERAGE HIGH TEMPERATURE ON
THE FIRST OF THE MONTH IS 66 DEGREES...AND THE AVERAGE LOW
TEMPERATURE IS  35 DEGREES. THE AVERAGE HIGH BY THE END OF THE MONTH
IS 53 DEGREES...AND THE AVERAGE LOW IS 27 DEGREES. THE AVERAGE
MONTHLY PRECIPITATION IS 1.11 INCHES. THE AVERAGE SNOWFALL IS 7.4
INCHES.


$$







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