Climatological Report (Daily)
Issued by NWS
Issued by NWS
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CDUS46 KSGX 180919
CLISDM
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN DIEGO, CA
219 AM PDT TUE AUG 18 2026
...................................
...THE SAN DIEGO/BROWN CLIMATE SUMMARY FOR AUGUST 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 84 1:10 PM 91 2016 81 3 79
MINIMUM 66 11:23 PM 59 2017 63 3 63
2023
AVERAGE 75 72 3 71
PRECIPITATION (IN)
YESTERDAY 0.00 0.00 2020 0.00 0.00 0.00
MONTH TO DATE 0.07 0.00 0.07 0.00
SINCE JUL 1 0.10 0.04 0.06 0.00
SINCE OCT 1 8.25 10.04 -1.79 4.10
SINCE JAN 1 4.59 6.95 -2.36 4.00
DEGREE DAYS
HEATING
YESTERDAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE JUN 1 1 23 -22 6
SINCE JUL 1 0 1 -1 0
COOLING
YESTERDAY 10 7 3 6
MONTH TO DATE 157 111 46 101
SINCE JUN 1 484 319 165 329
SINCE JAN 1 610 367 243 377
...................................................................
WIND (MPH)
RESULTANT WIND SPEED 4 RESULTANT WIND DIRECTION W (290)
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION W (270)
HIGHEST GUST SPEED 21 HIGHEST GUST DIRECTION W (280)
AVERAGE WIND SPEED 4.7
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.2
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 93 10:00 PM
LOWEST 53 1:00 PM
AVERAGE 73
..........................................................
THE SAN DIEGO/BROWN CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 81 91 2010
2020
MINIMUM TEMPERATURE (F) 63 58 1999
SUNRISE AND SUNSET
AUGUST 18 2026........SUNRISE 6:14 AM PDT SUNSET 7:29 PM PDT
AUGUST 19 2026........SUNRISE 6:14 AM PDT SUNSET 7:28 PM PDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$