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 20 21 22
000
CXUS55 KRIW 022318
CLMLND

CYSCLMLND 000
TTAA00 KRIW 021836


CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
418 PM MST MON NOV 2 2009

...PRELIMINARY MONTHLY CLIMATE SUMMARY FOR HUNT FIELD IN LANDER FOR
THE MONTH OF OCTOBER 2009...

...OFFICIAL CLIMATE DATA FOR THE MONTH OF OCTOBER 2009 WILL BE
AVAILABLE APPROXIMATELY IN DECEMBER 2009 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/...

...LANDER SEES 3RD COLDEST AND 7TH SNOWIEST OCTOBER ON RECORD...

THE AVERAGE TEMPERATURE FOR LANDER WAS 37.2 DEGREES...WHICH WAS 9.2
DEGREES BELOW NORMAL...AND MAKES OCTOBER 2009 THE 3RD COLDEST OCTOBER ON
RECORD. THE HIGHEST READING WAS 74 DEGREES WHICH OCCURRED ON THE
18TH.  THE LOWEST READING WAS 10 DEGREES WHICH OCCURRED ON THE
10TH.  RECORD LOWS WERE SET ON THE 5TH (20 DEGREES)...THE 6TH (14
DEGREES)...THE 9TH (15 DEGREES)...THE 10TH (10 DEGREES)...AND THE
11TH (12 DEGREES).

TOTAL PRECIPITATION FOR THE MONTH WAS 2.41 INCHES...WHICH WAS 1.04
INCHES ABOVE NORMAL FOR OCTOBER...WHICH IS 1.37 INCHES.  LANDER
RECEIVED 27.9 INCHES OF SNOWFALL IN OCTOBER...WHICH MAKES OCTOBER
2009 THE 7TH SNOWIEST OCTOBER ON RECORD.

...THE LANDER CLIMATE SUMMARY FOR THE MONTH OF OCTOBER 2009...

CLIMATE NORMAL PERIOD 1971 TO 2000
CLIMATE RECORD PERIOD 1891 TO 2009

WEATHER         OBSERVED          NORMAL  DEPART
                 VALUE   DATE(S)  VALUE   FROM
                                          NORMAL
................................................
TEMPERATURE (F)
RECORD
 HIGH              85   10/04/1963
                        10/01/1963
 LOW              -14   10/29/1917
HIGHEST            74   10/18        MM      MM
LOWEST             10   10/10        MM      MM
AVG. MAXIMUM     47.6              59.5   -11.9
AVG. MINIMUM     26.8              33.2    -6.4
MEAN             37.2              46.4    -9.2
DAYS MAX >= 90      0
DAYS MAX <= 32      5
DAYS MIN <= 32     22
DAYS MIN <= 0       0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM         4.90   1994
 MINIMUM         0.00   1988
TOTALS           2.41              1.37    1.04
DAILY AVG.       0.08              0.04    0.04
DAYS >= .01        12
DAYS >= .10         5
DAYS >= .50         1
DAYS >= 1.00        1

SNOWFALL (INCHES)
TOTALS           27.9               8.7    19.2
SINCE 7/1        28.4              11.7    16.7
SNOWDEPTH AVG.      2
DAYS >= 1.0         5

DEGREE_DAYS
HEATING TOTAL     855               580     275
 SINCE 7/1       1042               840     202
COOLING TOTAL       0                 0       0
 SINCE 1/1        344               445    -101
.................................................

WIND (MPH)
AVERAGE WIND SPEED              5.0
HIGHEST WIND SPEED/DIRECTION    31/280    DATE  10/24
HIGHEST GUST SPEED/DIRECTION    46/320    DATE  10/31

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM

NUMBER OF DAYS FAIR           15
NUMBER OF DAYS PC              9
NUMBER OF DAYS CLOUDY          7

AVERAGE RH (PERCENT)     63

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              2     MIXED PRECIP               0
HEAVY RAIN                0     RAIN                       0
LIGHT RAIN                3     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                1     SNOW                       6
LIGHT SNOW               13     SLEET                      0
FOG                      13     FOG W/VIS <= 1/4 MILE      4
HAZE                      8

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

LOOKING AHEAD TO NOVEMBER 2009. THE AVERAGE HIGH TEMPERATURE ON THE
FIRST OF THE MONTH IS 50 DEGREES...AND THE AVERAGE LOW TEMPERATURE
IS 26 DEGREES. THE AVERAGE HIGH BY THE END OF THE MONTH IS 36
DEGREES...AND THE AVERAGE LOW IS 14 DEGREES. THE AVERAGE MONTHLY
PRECIPITATION IS 0.99 INCHES.

$$






  • National Weather Service
  • Western and Central Wyoming Weather Forecast Office
  • 12744 West U.S. Hwy 26
  • Riverton, WY 82501
  • 307-857-3898
  • Page Author: RIW Webmaster
  • Web Master's E-mail: w-riw.webmaster@noaa.gov
  • Page last modified: Nov 10th, 2009 17:45 UTC
USA.gov is the U.S. government's official web portal to all federal, state and local government web resources and services.