276
CXUS51 KILN 011346
CLMDAY

CLIMATE REPORT
NATIONAL WEATHER SERVICE WILMINGTON OH
946 AM EDT MON JUN 01 2026

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

...THE DAYTON OH CLIMATE SUMMARY FOR THE MONTH OF MAY 2026...

CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1869 TO 2026

WEATHER         OBSERVED          NORMAL  DEPART   LAST YEAR`S
                VALUE   DATE(S)   VALUE   FROM     VALUE DATE(S)
                                          NORMAL
................................................................
TEMPERATURE (F)
RECORD
 HIGH             98   05/29/1911
                       05/28/1911
 LOW              28   05/09/2020
                       05/07/1974
                       05/04/1903
HIGHEST           86   05/18         72      14       86  05/15
                       05/19
LOWEST            34   05/02         51     -17       41  05/09
                       05/03
AVG. MAXIMUM    69.7               74.2    -4.5     70.4
AVG. MINIMUM    50.2               53.8    -3.6     52.7
MEAN            60.0               64.0    -4.0     61.6
DAYS MAX >= 90     0                0.2    -0.2        0
DAYS MAX <= 32     0                0.0     0.0        0
DAYS MIN <= 32     0                0.1    -0.1        0
DAYS MIN <= 0      0                0.0     0.0        0

PRECIPITATION (INCHES)
TOTALS         10.31               4.51    5.80     5.00
DAILY AVG.      0.33               0.15    0.18     0.16
DAYS >= .01       17               14.1     2.9       18
DAYS >= .10       12                9.1     2.9       10
DAYS >= .50        7                2.9     4.1        5
DAYS >= 1.00       5                0.9     4.1        1
GREATEST
 24 HR. TOTAL   3.77   05/22 TO 05/23               1.23  05/05 TO 05/06

SNOWFALL (INCHES)
TOTALS           0.0                0.0     0.0      0.0
SINCE 7/1       38.7               25.0    13.7     21.9
DAYS >= TRACE      0                0.0     0.0        0
DAYS >= 1.0        0                0.0     0.0        0
GREATEST
 24 HR TOTAL     0.0    MM                           0.0

DEGREE DAYS
HEATING TOTAL    190                125      65      132
 SINCE 7/1      5192               5135      57     4796
COOLING TOTAL     43                 94     -51       35
 SINCE 1/1       102                111      -9       60
................................................................

WIND (MPH)
AVERAGE WIND SPEED              9.2
RESULTANT WIND SPEED/DIRECTION   2/250
HIGHEST WIND SPEED/DIRECTION    32/260    DATE  05/03
                                32/260          05/05
HIGHEST GUST SPEED/DIRECTION    44/270    DATE  05/05

SKY COVER
AVERAGE SKY COVER           0.66

AVERAGE RH (PERCENT)     67

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              7     MIXED PRECIP               0
HEAVY RAIN                8     RAIN                      12
LIGHT RAIN               19     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                0     SLEET                      0
FOG                      15     FOG W/VIS <= 1/4 MILE      3
HAZE                      0

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

$$