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
222
CDUS46 KSGX 230924
CLIONT
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN DIEGO, CA
224 AM PDT TUE SEP 23 2025
...................................
...THE ONTARIO INTL AIRPORT CA CLIMATE SUMMARY FOR SEPTEMBER 22 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 92 2:35 PM 105 2009 90 2 89
MINIMUM 67 1:41 AM 54 2017 63 4 58
AVERAGE 80 76 4 74
PRECIPITATION (IN)
YESTERDAY 0.00 0.17 2007 0.00 0.00 0.00
MONTH TO DATE 0.09 0.06 0.03 T
SINCE JUL 1 0.09 0.14 -0.05 T
SINCE OCT 1 6.31 11.60 -5.29 17.64
SINCE JAN 1 6.16 8.50 -2.34 16.29
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 0 0 0
COOLING
YESTERDAY 15 11 4 9
MONTH TO DATE 321 297 24 310
SINCE SEP 1 321 297 24 310
SINCE JAN 1 1710 1670 40 1684
...................................................................
WIND (MPH)
RESULTANT WIND SPEED 2 RESULTANT WIND DIRECTION SW (230)
HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION W (270)
HIGHEST GUST SPEED 21 HIGHEST GUST DIRECTION SW (240)
AVERAGE WIND SPEED 3.4
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 81 4:00 AM
LOWEST 27 2:00 PM
AVERAGE 54
..........................................................
THE ONTARIO INTL AIRPORT CA CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 89 103 2009
MINIMUM TEMPERATURE (F) 63 54 2010
2017
SUNRISE AND SUNSET
SEPTEMBER 23 2025.....SUNRISE 6:39 AM PDT SUNSET 6:45 PM PDT
SEPTEMBER 24 2025.....SUNRISE 6:40 AM PDT SUNSET 6:44 PM PDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$