Climatological Report (Monthly)
Issued by NWS Wilmington, OH

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434
CXUS51 KILN 010617
CLMDAY

CLIMATE REPORT
NATIONAL WEATHER SERVICE WILMINGTON OH
117 AM EST SUN NOV 01 2020

...................................

...THE DAYTON OH CLIMATE SUMMARY FOR THE MONTH OF OCTOBER 2020...

CLIMATE NORMAL PERIOD: 1981 TO 2010
CLIMATE RECORD PERIOD: 1869 TO 2020

WEATHER         OBSERVED          NORMAL  DEPART   LAST YEAR`S
                VALUE   DATE(S)   VALUE   FROM     VALUE DATE(S)
                                          NORMAL
................................................................
TEMPERATURE (F)
RECORD
 HIGH             94   10/02/2019
                       10/01/2019
                       07/21/1934
 LOW              18   10/30/1895
HIGHEST           83   10/07         65      18       94  10/02
                                                          10/01
LOWEST            30   10/31         44     -14       34  10/31
                                                          10/12
AVG. MAXIMUM    64.3               63.8     0.5     69.5
AVG. MINIMUM    45.3               44.0     1.3     47.4
MEAN            54.8               53.9     0.9     58.4
DAYS MAX >= 90     0                0.0     0.0        2
DAYS MAX <= 32     0                0.0     0.0        0
DAYS MIN <= 32     1                2.2    -1.2        0
DAYS MIN <= 0      0                0.0     0.0        0

PRECIPITATION (INCHES)
TOTALS          4.53               2.93    1.60     3.29
DAILY AVG.      0.15               0.09    0.06     0.11
DAYS >= .01       14                9.3     4.7        7
DAYS >= .10        8                5.3     2.7        7
DAYS >= .50        3                1.9     1.1        2
DAYS >= 1.00       1                0.7     0.3        0
GREATEST
 24 HR. TOTAL   1.51   10/28 TO 10/29               0.95  10/26 TO 10/26
 STORM TOTAL      MM                                  MM
 (MM/DD(HH))            MM

SNOWFALL (INCHES)
TOTALS           0.0                0.4    -0.4        T
SINCE 7/1        0.0                0.4    -0.4        T
DAYS >= TRACE      0                0.2    -0.2        1
DAYS >= 1.0        0                0.1    -0.1        0
GREATEST
 24 HR TOTAL     0.0                                   T  10/31 TO 10/31
 STORM TOTAL     0.0                                   T
 (MM/DD(HH))            MM

DEGREE DAYS
HEATING TOTAL    322                357     -35      242
 SINCE 7/1       383                447     -64      242
COOLING TOTAL     12                 10       2       48
 SINCE 1/1      1206                891     315     1358
................................................................

WIND (MPH)
AVERAGE WIND SPEED              8.6
RESULTANT WIND SPEED/DIRECTION   2/220
HIGHEST WIND SPEED/DIRECTION    31/290    DATE  10/01
HIGHEST GUST SPEED/DIRECTION    39/270    DATE  10/01

SKY COVER
AVERAGE SKY COVER           0.64

AVERAGE RH (PERCENT)     70

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              2     MIXED PRECIP               0
HEAVY RAIN                5     RAIN                       6
LIGHT RAIN               16     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                0     SLEET                      0
FOG                      17     FOG W/VIS <= 1/4 MILE      4
HAZE                      6

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

$$



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