Climatological Report (Daily)
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431
CDUS46 KSGX 180919
CLISDM

CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN DIEGO, CA
219 AM PDT FRI SEP 18 2026

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

...THE SAN DIEGO/BROWN CLIMATE SUMMARY FOR SEPTEMBER 17 2026...

CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1997 TO 2026


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
...................................................................
TEMPERATURE (F)
 YESTERDAY
  MAXIMUM         77  12:17 PM  97    2020  80     -3       86
  MINIMUM         66   7:56 PM  51    2010  61      5       67
  AVERAGE         72                        70      2       77

PRECIPITATION (IN)
  YESTERDAY        0.00          0.20 2025   0.01  -0.01     0.20
  MONTH TO DATE    T                         0.09  -0.09     0.20
  SINCE JUL 1      0.10                      0.14  -0.04     0.36
  SINCE OCT 1      8.25                     10.14  -1.89     4.46
  SINCE JAN 1      4.59                      7.05  -2.46     4.36

DEGREE DAYS
 HEATING
  YESTERDAY        0                         0      0        0
  MONTH TO DATE    0                         0      0        0
  SINCE SEP 1      0                         0      0        0
  SINCE JUL 1      0                         2     -2        0

 COOLING
  YESTERDAY        7                         5      2       12
  MONTH TO DATE  196                       108     88      134
  SINCE SEP 1    196                       108     88      134
  SINCE JAN 1    980                       575    405      645
...................................................................


WIND (MPH)
  RESULTANT WIND SPEED   4   RESULTANT WIND DIRECTION   W (280)
  HIGHEST WIND SPEED    14   HIGHEST WIND DIRECTION     W (260)
  HIGHEST GUST SPEED    21   HIGHEST GUST DIRECTION     W (270)
  AVERAGE WIND SPEED     5.1


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.6


WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  NO SIGNIFICANT WEATHER WAS OBSERVED.


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    78          12:00 AM
 LOWEST     57          12:00 PM
 AVERAGE    68

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


THE SAN DIEGO/BROWN CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   80        97      2020
 MINIMUM TEMPERATURE (F)   61        54      1958
                                             2010
                                             2011


SUNRISE AND SUNSET
SEPTEMBER 18 2026.....SUNRISE   6:34 AM PDT   SUNSET   6:50 PM PDT
SEPTEMBER 19 2026.....SUNRISE   6:34 AM PDT   SUNSET   6:48 PM PDT


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




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