National Weather Service Weather Forecast Office

• Home
• Site Map
• News
• Organization
• Search for: NWS All NOAA 

000
CXUS55 KRIW 011941
CLMCPR

CYSCLMCPR 000
TTAA00 KRIW 011922


CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
114 PM MDT THU NOV 1 2012

...PRELIMINARY MONTHLY CLIMATE SUMMARY FOR THE NATRONA COUNTY
INTERNATIONAL AIRPORT NEAR CASPER FOR THE MONTH OF OCTOBER 2012...

..OFFICIAL CLIMATE DATA FOR THE MONTH OF OCTOBER 2012 WILL BE
AVAILABLE APPROXIMATELY IN DECEMBER 2012 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/...

...OCTOBER IN CASPER WAS DRIER THAN AVERAGE...

THE AVERAGE TEMPERATURE FOR CASPER IN OCTOBER WAS 44.7
DEGREES...WHICH WAS 0.5 DEGREES BELOW NORMAL. THE WARMEST DAILY HIGH
WAS 83 DEGREES. THIS OCCURRED ON THE 2ND OF THE MONTH. THE COOLEST
READING WAS 17 DEGREES...WHICH OCCURRED ON THE 25TH. THERE WERE NO
RECORD TEMPERATURES SET IN OCTOBER.

TOTAL PRECIPITATION FOR THE MONTH WAS 0.56 INCHES...WHICH WAS 50
PERCENT OF NORMAL. THE WETTEST DAY OF THE MONTH WAS ON THE
24TH...WHEN 0.26 OF AN INCH OF PRECIPITATION FELL. DURING THE
MONTH...5.2 INCHES OF SNOW FELL...WHICH WAS 2.2 INCHES BELOW NORMAL.
THE HIGHEST WIND GUST WAS 53 MPH...WHICH OCCURRED ON THE 16TH.

...THE CASPER WY CLIMATE SUMMARY FOR THE MONTH OF OCTOBER 2012...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1939 TO 2012

WEATHER         OBSERVED          NORMAL  DEPART
                 VALUE   DATE(S)  VALUE   FROM
                                          NORMAL
................................................
TEMPERATURE (F)
RECORD
 HIGH              87   10/05/1993
                        10/01/1992
 LOW               -3   10/30/1971
HIGHEST            83   10/02        MM      MM
LOWEST             17   10/25        MM      MM
AVG. MAXIMUM     58.4              59.4    -1.0
AVG. MINIMUM     31.1              31.0     0.1
MEAN             44.7              45.2    -0.5
DAYS MAX >= 90      0
DAYS MAX <= 32      0
DAYS MIN <= 32     18
DAYS MIN <= 0       0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM         4.62   1998
 MINIMUM            T   1956
TOTALS           0.56              1.11   -0.55
DAILY AVG.       0.02              0.04   -0.02
DAYS >= .01         7
DAYS >= .10         1
DAYS >= .50         0
DAYS >= 1.00        0

SNOWFALL (INCHES)
TOTALS            5.2               7.4    -2.2
SINCE 7/1         5.2               9.2    -4.0
DAYS >= 1.0         2

DEGREE_DAYS
HEATING TOTAL     622               614       8
 SINCE 7/1        771               899    -128
COOLING TOTAL       0                 0       0
 SINCE 1/1        697               422     275
.................................................

WIND (MPH)
AVERAGE WIND SPEED              11.1
RESULTANT WIND SPEED/DIRECTION   6/241
HIGHEST WIND SPEED/DIRECTION    39/230    DATE  16
HIGHEST GUST SPEED/DIRECTION    53/250    DATE  16

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)     54

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

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

LOOKING AHEAD TO NOVEMBER 2012...THE AVERAGE HIGH TEMPERATURE ON THE
FIRST OF THE MONTH IS 48 DEGREES...AND THE AVERAGE LOW TEMPERATURE
IS 25 DEGREES. THE AVERAGE HIGH BY THE END OF THE MONTH IS 40
DEGREES...AND THE AVERAGE LOW IS 20 DEGREES. THE AVERAGE MONTHLY
PRECIPITATION IS 0.70 INCHES...WITH 9.9 INCHES OF SNOWFALL.

$$