Climatological Report (Daily)
Issued by NWS
Issued by NWS
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CDUS46 KSGX 220007
CLISDM
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN DIEGO, CA
507 PM PDT MON JUL 21 2025
...................................
...THE SAN DIEGO/BROWN CLIMATE SUMMARY FOR JULY 21 2025...
VALID TODAY AS OF 0400 PM LOCAL TIME.
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1997 TO 2025
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...................................................................
TEMPERATURE (F)
TODAY
MAXIMUM 75 MM 90 2016 79 -4 80
MINIMUM 64 7:00 AM 55 1997 62 2 65
AVERAGE 70 70 0 73
PRECIPITATION (IN)
TODAY 0.00 T 2015 0.01 -0.01 0.00
MONTH TO DATE 0.00 0.03 -0.03 T
SINCE JUL 1 0.00 0.03 -0.03 T
SINCE OCT 1 4.10 10.03 -5.93 12.99
SINCE JAN 1 4.00 6.94 -2.94 10.99
DEGREE DAYS
HEATING
TODAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE JUN 1 6 22 -16 6
SINCE JUL 1 0 0 0 0
COOLING
TODAY 5 5 0 8
MONTH TO DATE 94 95 -1 146
SINCE JUN 1 190 150 40 231
SINCE JAN 1 238 198 40 231
...................................................................
WIND (MPH)
RESULTANT WIND SPEED 8 RESULTANT WIND DIRECTION W (260)
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION W (270)
HIGHEST GUST SPEED 21 HIGHEST GUST DIRECTION W (270)
AVERAGE WIND SPEED 8.6
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.4
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 80 7:00 AM
LOWEST 55 11:00 AM
AVERAGE 68
..........................................................
THE SAN DIEGO/BROWN CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 79 110 2006
MINIMUM TEMPERATURE (F) 62 56 1999
SUNRISE AND SUNSET
JULY 21 2025..........SUNRISE 5:55 AM PDT SUNSET 7:53 PM PDT
JULY 22 2025..........SUNRISE 5:56 AM PDT SUNSET 7:53 PM PDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$