Climatological Report (Daily)
Issued by NWS Wilmington, OH

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274
CDUS41 KILN 172052
CLIDAY

CLIMATE REPORT
NATIONAL WEATHER SERVICE WILMINGTON OH
452 PM EDT SUN MAY 17 2026

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

...THE DAYTON OH CLIMATE SUMMARY FOR MAY 17 2026...
VALID TODAY AS OF 0400 PM LOCAL TIME.

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


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
...................................................................
TEMPERATURE (F)
 TODAY
  MAXIMUM         83   2:42 PM  93    1899  74      9       70
                                      1900
  MINIMUM         62   3:13 AM  33    1895  54      8       60
  AVERAGE         73                        64      9       65

PRECIPITATION (IN)
  TODAY            0.00          2.20 1974   0.14  -0.14     0.09
  MONTH TO DATE    2.10                      2.53  -0.43     4.06
  SINCE MAR 1     11.13                     10.49   0.64    14.06
  SINCE JAN 1     14.58                     15.92  -1.34    17.91

SNOWFALL (IN)
  TODAY            0.0           0.0    MM   0.0    0.0      0.0
  MONTH TO DATE    0.0                       0.0    0.0      0.0
  SINCE MAR 1      2.0                       4.3   -2.3      0.5
  SINCE JUL 1     38.7                      25.0   13.7     22.5
  SNOW DEPTH       0

DEGREE DAYS
 HEATING
  TODAY            0                         4     -4        0
  MONTH TO DATE  166                        87     79       61
  SINCE MAR 1    889                      1153   -264      925
  SINCE JUL 1   5168                      5097     71     4725

 COOLING
  TODAY            8                         3      5        0
  MONTH TO DATE    8                        35    -27       34
  SINCE MAR 1     67                        52     15       59
  SINCE JAN 1     67                        52     15       59
...................................................................


WIND (MPH)
  HIGHEST WIND SPEED    21   HIGHEST WIND DIRECTION    SW (210)
  HIGHEST GUST SPEED    30   HIGHEST GUST DIRECTION    SW (230)
  AVERAGE WIND SPEED    11.0


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.6


WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
  THUNDERSTORM


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    93
 LOWEST     41
 AVERAGE    67

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


THE DAYTON OH CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   75        93      1962
 MINIMUM TEMPERATURE (F)   55        35      1973


SUNRISE AND SUNSET
MAY 17 2026...........SUNRISE   6:20 AM EDT   SUNSET   8:47 PM EDT
MAY 18 2026...........SUNRISE   6:19 AM EDT   SUNSET   8:48 PM EDT


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




$$