Climatological Report (Daily)
Issued by NWS
Issued by NWS
Versions:
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
886
CDUS46 KSGX 040944
CLIONT
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN DIEGO, CA
244 AM PDT SAT OCT 04 2025
...................................
...THE ONTARIO INTL AIRPORT CA CLIMATE SUMMARY FOR OCTOBER 3 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 1:49 PM 101 2020 86 -9 97
MINIMUM 60 11:58 PM 50 2002 60 0 67
AVERAGE 69 73 -4 82
PRECIPITATION (IN)
YESTERDAY 0.00 T 2018 0.01 -0.01 0.00
MONTH TO DATE 0.00 0.02 -0.02 0.00
SINCE JUL 1 0.12 0.20 -0.08 T
SINCE OCT 1 0.00 0.02 -0.02 0.00
SINCE JAN 1 6.19 8.56 -2.37 16.29
DEGREE DAYS
HEATING
YESTERDAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE SEP 1 0 1 -1 0
SINCE JUL 1 0 1 -1 0
COOLING
YESTERDAY 4 8 -4 17
MONTH TO DATE 18 26 -8 55
SINCE SEP 1 418 404 14 441
SINCE JAN 1 1807 1777 30 1815
...................................................................
WIND (MPH)
RESULTANT WIND SPEED 6 RESULTANT WIND DIRECTION SW (240)
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION W (260)
HIGHEST GUST SPEED 25 HIGHEST GUST DIRECTION SW (230)
AVERAGE WIND SPEED 7.1
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 90 3:00 AM
LOWEST 45 1:00 PM
AVERAGE 68
..........................................................
THE ONTARIO INTL AIRPORT CA CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 85 102 2014
MINIMUM TEMPERATURE (F) 60 51 2009
SUNRISE AND SUNSET
OCTOBER 4 2025.......SUNRISE 6:47 AM PDT SUNSET 6:30 PM PDT
OCTOBER 5 2025.......SUNRISE 6:48 AM PDT SUNSET 6:29 PM PDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$