Climatological Report (Monthly)
Issued by NWS

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929
CXUS56 KSGX 012103
CLMSAN


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN DIEGO, CA
103 PM PST THU FEB 1 2018

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

...THE SAN DIEGO/LINDBERGH FIELD CA CLIMATE SUMMARY FOR THE MONTH OF JANUARY 2018...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1874 TO 2018

WEATHER         OBSERVED          NORMAL  DEPART  LAST YEAR`S
                 VALUE   DATE(S)  VALUE   FROM    VALUE  DATE(S)
                                          NORMAL
................................................................
TEMPERATURE (F)
RECORD
 HIGH              88   01/10/1953
 LOW               25   01/07/1913
HIGHEST            83   01/30        66      17       77  01/30
LOWEST             47   01/27        49      -2       44  01/28
                        01/25                             01/27
                        01/23                             01/26
AVG. MAXIMUM     69.8              65.1     4.7     64.4
AVG. MINIMUM     53.1              49.0     4.1     51.4
MEAN             61.5              57.1     4.4     57.9
DAYS MAX >= 90      0               0.0     0.0        0
DAYS MAX <= 32      0               0.0     0.0        0
DAYS MAX >= 100     0                                  0
DAYS MIN <= 32      0               0.0     0.0        0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM         9.09   1993
 MINIMUM         0.00   1859
                        1850
TOTALS           1.78              1.98   -0.20     3.01
DAILY AVG.       0.06              0.06    0.00     0.10
DAYS >= .01         5               6.7    -1.7       11
DAYS >= .10         2               4.1    -2.1        8
DAYS >= .50         1               1.4    -0.4        1
DAYS >= 1.00        1               0.4     0.6        1
DAYS >= 1.50        1                                  0
DAYS >= 2.00        0                                  0
GREATEST
 24 HR. TOTAL    1.57   01/09 TO 01/09           01/20 TO 01/20
                                                          01/31 TO 01/31
                                                          01/31 TO 01/31
 STORM TOTAL       MM                                 MM
 (MM/DD(HH))            MM                    01/20(00) TO 01/20(00)
                                                 01/31(00) TO 01/31(00)1
                                                 01/31(00) TO 01/31(00)1

DEGREE_DAYS
HEATING TOTAL     117               248    -131      213
 SINCE 7/1        297               655    -358      448
COOLING TOTAL      13                 2      11        0
 SINCE 1/1         13                 0      13        0

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

WIND (MPH)
AVERAGE WIND SPEED              4.5
RESULTANT WIND SPEED/DIRECTION   3/305
HIGHEST WIND SPEED/DIRECTION    37/160    DATE  01/09
HIGHEST GUST SPEED/DIRECTION    46/160    DATE  01/09

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.50
NUMBER OF DAYS FAIR            9
NUMBER OF DAYS PC             17
NUMBER OF DAYS CLOUDY          5

AVERAGE RH (PERCENT)     62

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              0     MIXED PRECIP               0
HEAVY RAIN                2     RAIN                       2
LIGHT RAIN                4     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                0     SLEET                      0
FOG                      16     FOG W/VIS <= 1/4 MILE      5
HAZE                     13

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

$$



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