Climatological Report (Daily)
Issued by NWS
Issued by NWS
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291
CDUS46 KSGX 180921
CLIMYF
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN DIEGO, CA
221 AM PDT MON AUG 18 2025
...................................
...THE SAN DIEGO/MONTGOMERY FLD CA CLIMATE SUMMARY FOR AUGUST 17 2025...
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1998 TO 2025
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...................................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 77 2:07 PM 93 2012 82 -5 77
2016
MINIMUM 63 6:43 AM 61 2011 65 -2 65
AVERAGE 70 74 -4 71
PRECIPITATION (IN)
YESTERDAY 0.00 0.00 2006 0.00 0.00 0.00
MONTH TO DATE 0.00 0.01 -0.01 0.01
SINCE JUL 1 0.02 0.08 -0.06 0.01
SINCE OCT 1 5.31 10.85 -5.54 12.61
SINCE JAN 1 5.19 7.79 -2.60 11.46
DEGREE DAYS
HEATING
YESTERDAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE JUN 1 3 15 -12 11
SINCE JUL 1 0 1 -1 0
COOLING
YESTERDAY 5 9 -4 6
MONTH TO DATE 100 142 -42 169
SINCE JUN 1 373 440 -67 508
SINCE JAN 1 429 520 -91 509
...................................................................
WIND (MPH)
RESULTANT WIND SPEED 3 RESULTANT WIND DIRECTION W (260)
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION SW (230)
HIGHEST GUST SPEED 18 HIGHEST GUST DIRECTION W (250)
AVERAGE WIND SPEED 5.1
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.4
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 87 11:00 PM
LOWEST 56 2:00 PM
AVERAGE 72
..........................................................
THE SAN DIEGO/MONTGOMERY FLD CA CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 82 99 2020
MINIMUM TEMPERATURE (F) 65 61 2011
SUNRISE AND SUNSET
AUGUST 18 2025........SUNRISE 6:14 AM PDT SUNSET 7:30 PM PDT
AUGUST 19 2025........SUNRISE 6:15 AM PDT SUNSET 7:29 PM PDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$