Climatological Report (Daily)
Issued by NWS
Issued by NWS
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CDUS46 KSGX 180919
CLIMYF
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN DIEGO, CA
219 AM PDT FRI SEP 18 2026
...................................
...THE SAN DIEGO/MONTGOMERY FLD CA CLIMATE SUMMARY FOR SEPTEMBER 17 2026...
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1998 TO 2026
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...................................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 77 12:02 PM 100 2020 81 -4 86
MINIMUM 68 11:59 PM 55 2024 64 4 69
AVERAGE 73 72 1 78
PRECIPITATION (IN)
YESTERDAY 0.00 T 2023 0.01 -0.01 0.05
MONTH TO DATE T 0.08 -0.08 0.05
SINCE JUL 1 T 0.16 -0.16 0.12
SINCE OCT 1 8.92 10.93 -2.01 5.41
SINCE JAN 1 4.85 7.87 -3.02 5.29
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 1 -1 0
COOLING
YESTERDAY 8 8 0 13
MONTH TO DATE 211 143 68 156
SINCE SEP 1 211 143 68 156
SINCE JAN 1 1139 789 350 736
...................................................................
WIND (MPH)
RESULTANT WIND SPEED 7 RESULTANT WIND DIRECTION NW (300)
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION NW (310)
HIGHEST GUST SPEED 22 HIGHEST GUST DIRECTION NW (320)
AVERAGE WIND SPEED 7.0
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.5
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 78 12:00 AM
LOWEST 57 1:00 PM
AVERAGE 68
..........................................................
THE SAN DIEGO/MONTGOMERY FLD CA CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 81 101 2020
MINIMUM TEMPERATURE (F) 64 57 2010
SUNRISE AND SUNSET
SEPTEMBER 18 2026.....SUNRISE 6:34 AM PDT SUNSET 6:50 PM PDT
SEPTEMBER 19 2026.....SUNRISE 6:35 AM PDT SUNSET 6:49 PM PDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$