Climatological Report (Monthly)
Issued by NWS

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CXUS55 KRIW 022229
CLMBYG

CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
328 PM MST MON NOV 02 2020

PRELIMINARY MONTHLY CLIMATE SUMMARY FOR THE JOHNSON COUNTY AIRPORT
NEAR BUFFALO FOR THE MONTH OF OCTOBER 2020...

...OFFICIAL CLIMATE DATA FOR THE MONTH OF OCTOBER 2020 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

...BUFFALO WAS COLDER AND WETTER THAN AVERAGE IN OCTOBER...

THE AVERAGE TEMPERATURE FOR BUFFALO IN OCTOBER WAS 43.7 DEGREES...
WHICH WAS -2.3 DEGREES BELOW NORMAL. THIS MAKES IT THE 6TH COLDEST
OCTOBER ON RECORD. THE WARMEST READING OF THE MONTH WAS 84 DEGREES
ON THE 10TH. THE COLDEST DAY OF THE MONTH WAS ON THE 25TH WITH A LOW
-3 DEGREES WHICH SET A NEW MONTHLY RECORD LOW BREAKING A 21 DEGREE
RECORD SET IN 2001. SEVERAL DAILY RECORDS WERE TIRED OR BROKEN
DURING THE MONTH OF OCTOBER. ON THE 6TH AN 81 BROKE A 77 SET IN
1999. THE 8TH SAW AN 83 BREAK A 74 SET IN 2014. ON THE 19TH A LOW OF
25 BROKE A 27 SET IN 1999. A LOW OF 15 ON THE 22ND BROKE A 16 DEGREE
RECORD SET IN 2002. THE 23 SAW A 6 BREAK A 17 DEGREE RECORD SET IN
2002. ON THE 24TH A 10 BROKE A 22 SET IN 2012. THE 25TH SAW A COLD
HIGH OF 11 BREAK A 27 DEGREE RECORD FROM 2012. LASTLY A HIGH OF 72
ON THE 30TH BROKE A 69 DEGREE RECORD SET IN 2008.

TOTAL PRECIPITATION FOR THE MONTH WAS 1.02 INCHES...WHICH WAS 110
PERCENT OF NORMAL. THIS MAKES IT THE 10TH WETTEST OCTOBER ON RECORD.
THE WETTEST 24 HOUR PERIOD OF THE MONTH WAS 0.45 INCHES...WHICH
OCCURRED ON THE 17TH. A FEW DAILY PRECIPITATION RECORDS WERE BROKEN
IN OCTOBER. ON THE 17TH A 0.45 BROKE A 0.13 INCHES THAT FELL IN 2016
AND ON THE 19TH 0.06 BROKE A 0.01 RECORD SET IN 2001. THE HIGHEST
WIND GUST WAS 60 MPH ON THE 16TH AND 20TH.

...THE BUFFALO WY CLIMATE SUMMARY FOR THE MONTH OF OCTOBER 2020...

CLIMATE NORMAL PERIOD: 1981 TO 2010
CLIMATE RECORD PERIOD: 1998 TO 2020

WEATHER         OBSERVED          NORMAL  DEPART   LAST YEAR`S
                VALUE   DATE(S)   VALUE   FROM     VALUE
                                          NORMAL
..............................................................
TEMPERATURE (F)
RECORD
 HIGH             88   10/10/2015
 LOW              -3   10/29/2019
HIGHEST           84   10/10
LOWEST            -3R  10/25
AVG. MAXIMUM    56.0               57.7    -1.7
AVG. MINIMUM    31.3               34.2    -2.9
MEAN            43.7               46.0    -2.3
DAYS MAX >= 90     0
DAYS MAX <= 32     4
DAYS MIN <= 32    15
DAYS MIN <= 0      1

PRECIPITATION (INCHES)
RECORD
 MAXIMUM        2.43   1998
 MINIMUM        0.21   2014
TOTALS          1.02               0.93    0.09     1.27
DAILY AVG.      0.03               0.03    0.00
DAYS >= .01       11
DAYS >= .10        2
DAYS >= .50        0
DAYS >= 1.00       0
GREATEST
 24 HR. TOTAL   0.47   10/17 TO 10/18
 STORM TOTAL    0.45

SNOWFALL (INCHES)
TOTALS            MM                 MM      MM
SINCE 7/1         MM                 MM      MM
SNOWDEPTH AVG.    MM
DAYS >= 1.0       MM

DEGREE DAYS
HEATING TOTAL    659                592      67
 SINCE 7/1       851                906     -55
COOLING TOTAL      3                  1       2
 SINCE 1/1       711                492     219
..............................................................

WIND (MPH)
AVERAGE WIND SPEED              9.8
RESULTANT WIND SPEED/DIRECTION   4/320
HIGHEST WIND SPEED/DIRECTION    41/340    DATE  10/14
                                41/310          10/16
HIGHEST GUST SPEED/DIRECTION    60/320    DATE  10/16
                                60/330          10/20

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.38
NUMBER OF DAYS FAIR           18
NUMBER OF DAYS PC              5
NUMBER OF DAYS CLOUDY          8

AVERAGE RH (PERCENT)     53

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              0     MIXED PRECIP               0
HEAVY RAIN                0     RAIN                       1
LIGHT RAIN                7     FREEZING RAIN              0
LT FREEZING RAIN          1     HAIL                       0
HEAVY SNOW                1     SNOW                       1
LIGHT SNOW               10     SLEET                      0
FOG                       9     FOG W/VIS <= 1/4 MILE      6
HAZE                      1

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

LOOKING AHEAD TO NOVEMBER 2020...THE AVERAGE HIGH TEMPERATURE ON THE
FIRST OF THE MONTH IS 52 DEGREES...AND THE AVERAGE LOW TEMPERATURE
IS 29 DEGREES. THE AVERAGE HIGH BY THE END OF THE MONTH IS 38
DEGREES...AND THE AVERAGE LOW TEMPERATURE IS 17 DEGREES. THE AVERAGE
MONTHLY PRECIPITATION IS 0.54 INCHES.

$$


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