Climatological Report (Monthly)
Issued by NWS

Home | Current Version | Previous Version | Text Only | Print | Product List | Glossary On
Versions: 1 2 3 4 5 6 7 8 9 10 11 12 13 14
000
CXUS56 KSGX 011645
CLMSNA


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN DIEGO, CA
844 AM PST SUN JAN 1 2017

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

...THE JOHN WAYNE AIRPORT CA CLIMATE SUMMARY FOR THE MONTH OF DECEMBER 2016...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1999 TO 2016

WEATHER         OBSERVED          NORMAL  DEPART  LAST YEAR`S
                 VALUE   DATE(S)  VALUE   FROM    VALUE  DATE(S)
                                          NORMAL
................................................................
TEMPERATURE (F)
RECORD
 HIGH              90   12/12/2010
 LOW               36   12/31/2010
                        12/28/2003
                        12/27/2003
HIGHEST            80   12/29        67      13       76  12/08
                                                          12/07
                                                          12/05
LOWEST             38   12/25        47      -9       38  12/31
                        12/18                             12/29
                                                          12/15
AVG. MAXIMUM     65.5              65.9    -0.4     65.5
AVG. MINIMUM     49.3              46.2     3.1     45.2
MEAN             57.4              56.1     1.3     55.4
DAYS MAX >= 90      0               0.0     0.0        0
DAYS MAX <= 32      0               0.0     0.0        0
DAYS MAX >= 100     0                                  0
DAYS MIN <= 32      0               0.0     0.0        0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM         9.17   2010
 MINIMUM         0.05   2000
TOTALS           3.58              2.08    1.50     1.03
DAILY AVG.       0.12              0.07    0.05     0.03
DAYS >= .01         6                MM      MM        6
DAYS >= .10         6                MM      MM        4
DAYS >= .50         4                MM      MM        0
DAYS >= 1.00        0                MM      MM        0
DAYS >= 1.50        0                                  0
DAYS >= 2.00        0                                  0
GREATEST
 24 HR. TOTAL    1.29   12/21 TO 12/22           12/21 TO 12/22
                                                          12/31 TO 12/31
                                                          12/31 TO 12/31
 STORM TOTAL       MM                                 MM
 (MM/DD(HH))            MM                    12/22(00) TO 12/22(00)
                                                 12/31(00) TO 12/31(00)1
                                                 12/31(00) TO 12/31(00)1

DEGREE_DAYS
HEATING TOTAL     228               279     -51      290
 SINCE 7/1        306               432    -126      420
COOLING TOTAL       0                 1      -1        0
 SINCE 1/1       1226               877     349     1612

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

WIND (MPH)
AVERAGE WIND SPEED              4.2
RESULTANT WIND SPEED/DIRECTION   1/154
HIGHEST WIND SPEED/DIRECTION    33/050    DATE  12/02
HIGHEST GUST SPEED/DIRECTION    45/060    DATE  12/02

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.50
NUMBER OF DAYS FAIR           12
NUMBER OF DAYS PC             11
NUMBER OF DAYS CLOUDY          8

AVERAGE RH (PERCENT)     68

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              0     MIXED PRECIP               0
HEAVY RAIN                5     RAIN                       7
LIGHT RAIN                8     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      1
HAZE                      4

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

$$



USA.gov is the U.S. government's official web portal to all federal, state and local government web resources and services.