Climatological Report (Monthly)
Issued by NWS

Home | Current Version | Previous Version | Text Only | Print | Product List | Glossary On
Versions: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16
000
CXUS56 KSGX 011230
CLMONT

CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN DIEGO, CA
530 AM PDT WED NOV 01 2023

...................................

...THE ONTARIO INTL AIRPORT CA CLIMATE SUMMARY FOR THE MONTH OF OCTOBER 2023...

CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1998 TO 2023

WEATHER         OBSERVED          NORMAL  DEPART   LAST YEAR`S
                VALUE   DATE(S)   VALUE   FROM     VALUE DATE(S)
                                          NORMAL
................................................................
TEMPERATURE (F)
RECORD
 HIGH            107   10/01/2012
 LOW              41   10/31/2019
HIGHEST          101   10/06         83      18       95  10/18
                       10/18
                                                          10/19
LOWEST            50   10/30         56      -6       49  10/30
                       10/31
AVG. MAXIMUM    85.1               82.6     2.5     82.2
AVG. MINIMUM    58.3               57.1     1.2     58.6
MEAN            71.7               69.8     1.9     70.4
DAYS MAX >= 90    11                8.0     3.0        5
DAYS MAX <= 32     0                0.0     0.0        0
DAYS MAX >= 45    31                                  31
DAYS MAX >= 120    0                                   0
DAYS MIN <= 32     0                0.0     0.0        0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM        2.20   1957
 MINIMUM        0.00   2019
TOTALS             T               0.41   -0.41     0.30
DAILY AVG.         T               0.01   -0.01     0.01
DAYS >= .01        0                2.2    -2.2        1
DAYS >= .10        0                0.9    -0.9        1
DAYS >= .50        0                0.3    -0.3        0
DAYS >= 1.00       0                0.1    -0.1        0
DAYS >= %-5.2F     0                                   0
DAYS >= %-5.2F     0                                   0
GREATEST
 24 HR. TOTAL      T   10/22 TO 10/22               0.30  10/15 TO 10/15
                       10/23 TO 10/23
                       10/25 TO 10/25
 STORM TOTAL    0.00                                0.30
 (MM/DD(HH))            MM


DEGREE DAYS
HEATING TOTAL      4                 26     -22        7
 SINCE 7/1         5                 24     -19       MM
COOLING TOTAL    219                176      43      181
 SINCE 1/1      1670               1927    -257       MM

FREEZE DATES
RECORD
 EARLIEST     11/30/2004
 LATEST       02/14/2006
EARLIEST                        02/24
LATEST                          02/20
................................................................

WIND (MPH)
AVERAGE WIND SPEED              5.1
RESULTANT WIND SPEED/DIRECTION   2/260
HIGHEST WIND SPEED/DIRECTION    35/040    DATE  10/29
HIGHEST GUST SPEED/DIRECTION    45/040    DATE  10/29

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.24
NUMBER OF DAYS FAIR           22
NUMBER OF DAYS PC              8
NUMBER OF DAYS CLOUDY          1

AVERAGE RH (PERCENT)     54

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              0     MIXED PRECIP               0
HEAVY RAIN                0     RAIN                       0
LIGHT RAIN                2     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                0     SLEET                      0
FOG                       9     FOG W/VIS <= 1/4 MILE      0
HAZE                     10

-  INDICATES NEGATIVE NUMBERS.
R  INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T  INDICATES TRACE AMOUNT.

$$


USA.gov is the U.S. government's official web portal to all federal, state and local government web resources and services.