Climatological Report (Monthly)
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000
CXUS56 KSGX 011835
CLMTRM


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN DIEGO, CA
1035 AM PST MON JAN 1 2018

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

...THE THERMAL AIRPORT CA CLIMATE SUMMARY FOR THE MONTH OF DECEMBER 2017...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1950 TO 2017

WEATHER         OBSERVED          NORMAL  DEPART  LAST YEAR`S
                 VALUE   DATE(S)  VALUE   FROM    VALUE  DATE(S)
                                          NORMAL
................................................................
TEMPERATURE (F)
RECORD
 HIGH              93   12/03/1958
 LOW               14   12/23/1990
HIGHEST            85   12/11        71      14       80  12/16
LOWEST             31   12/26        37      -6       25  12/18
                        12/20
AVG. MAXIMUM     74.5              70.1     4.4     69.1
AVG. MINIMUM     39.1              36.0     3.1     40.8
MEAN             56.8              53.0     3.8     54.9
DAYS MAX >= 90      0               0.0     0.0        0
DAYS MAX <= 32      0               0.0     0.0        0
DAYS MAX >= 100     0                                  0
DAYS MAX >= 110     0                                  0
DAYS MIN <= 32      4               8.9    -4.9        2

PRECIPITATION (INCHES)
RECORD
 MAXIMUM         1.75   1965
 MINIMUM         0.00   2005
                        2000
                        1999
TOTALS           0.00R             0.35   -0.35     1.36
DAILY AVG.       0.00              0.01   -0.01     0.04
DAYS >= .01         0               2.3    -2.3        5
DAYS >= .10         0               0.9    -0.9        3
DAYS >= .50         0               0.2    -0.2        2
DAYS >= 1.00        0               0.1    -0.1        0
DAYS >= 1.50        0                                  0
DAYS >= 2.00        0                                  0
GREATEST
 24 HR. TOTAL    0.00   12/31 TO 12/31           12/21 TO 12/22
                                                          12/29 TO 12/29
                                                          12/29 TO 12/29
 STORM TOTAL       MM                                 MM
 (MM/DD(HH))            MM                    12/22(00) TO 12/22(00)
                                                 12/29(00) TO 12/29(00)9
                                                 12/29(00) TO 12/29(00)9

DEGREE_DAYS
HEATING TOTAL     245               371    -126      306
 SINCE 7/1        262               538    -276      424
COOLING TOTAL       0                 1      -1        2
 SINCE 1/1       4466              3687     779     4336

FREEZE DATES
RECORD
 EARLIEST     10/30/1971
 LATEST       04/10/1999
EARLIEST                        12/02
LATEST                          02/06
..........................................................

WIND (MPH)
AVERAGE WIND SPEED              5.4
RESULTANT WIND SPEED/DIRECTION   3/325
HIGHEST WIND SPEED/DIRECTION    26/330    DATE  12/21
HIGHEST GUST SPEED/DIRECTION    35/350    DATE  12/20

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.00
NUMBER OF DAYS FAIR           30
NUMBER OF DAYS PC              1
NUMBER OF DAYS CLOUDY          0

AVERAGE RH (PERCENT)     34

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

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

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