Climatological Report (Monthly)
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000
CXUS56 KSGX 011727
CLMSNA


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN DIEGO, CA
1026 AM PDT SUN OCT 1 2017

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

...THE JOHN WAYNE AIRPORT CA CLIMATE SUMMARY FOR THE MONTH OF SEPTEMBER 2017...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1999 TO 2017

WEATHER         OBSERVED          NORMAL  DEPART  LAST YEAR`S
                 VALUE   DATE(S)  VALUE   FROM    VALUE  DATE(S)
                                          NORMAL
................................................................
TEMPERATURE (F)
RECORD
 HIGH             110   09/27/2010
 LOW               56   09/21/2007
HIGHEST            96   09/01        78      18      106  09/26
LOWEST             57   09/24        63      -6       59  09/15
AVG. MAXIMUM     80.4              79.3     1.1     80.8
AVG. MINIMUM     64.8              63.8     1.0     64.8
MEAN             72.6              71.5     1.1     72.8
DAYS MAX >= 90      4               1.8     2.2        4
DAYS MAX <= 32      0               0.0     0.0        0
DAYS MAX >= 100     0                                  2
DAYS MIN <= 32      0               0.0     0.0        0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM         1.78   2015
 MINIMUM         0.00   2014
                        2013
                        2010
TOTALS              T              0.22   -0.22        T
DAILY AVG.          T              0.01   -0.01        T
DAYS >= .01         0                MM      MM        0
DAYS >= .10         0                MM      MM        0
DAYS >= .50         0                MM      MM        0
DAYS >= 1.00        0                MM      MM        0
DAYS >= 1.50        0                                  0
DAYS >= 2.00        0                                  0
GREATEST
 24 HR. TOTAL       T   09/21 TO 09/21           09/20 TO 09/20
                        09/04 TO 09/04                    09/30 TO 09/30
                        09/03 TO 09/03                    09/30 TO 09/30
 STORM TOTAL       MM                                 MM
 (MM/DD(HH))            MM                    09/20(00) TO 09/20(00)
                                                 09/30(00) TO 09/30(00)0
                                                 09/30(00) TO 09/30(00)0

DEGREE_DAYS
HEATING TOTAL       0                 1      -1        0
 SINCE 7/1          0                 1      -1        0
COOLING TOTAL     235               197      38      242
 SINCE 1/1       1021               768     253     1020

FREEZE DATES
RECORD
 EARLIEST     MM
 LATEST       MM
EARLIEST                        MM
LATEST                          MM
.................................................

WIND (MPH)
AVERAGE WIND SPEED              5.1
RESULTANT WIND SPEED/DIRECTION   4/208
HIGHEST WIND SPEED/DIRECTION    21/200    DATE  09/03
HIGHEST GUST SPEED/DIRECTION    24/200    DATE  09/03

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.40
NUMBER OF DAYS FAIR           15
NUMBER OF DAYS PC             14
NUMBER OF DAYS CLOUDY          1

AVERAGE RH (PERCENT)     69

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              0     MIXED PRECIP               0
HEAVY RAIN                0     RAIN                       0
LIGHT RAIN                2     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                0     SLEET                      0
FOG                      10     FOG W/VIS <= 1/4 MILE      3
HAZE                      9

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

$$



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