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 17 18 19 20 21 22 23 24 25 26 27 28
848
CXUS56 KMTR 030538
CLMSJC


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
1033 PM PDT THU NOV 2 2017

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

...THE SAN JOSE AIRPORT CLIMATE SUMMARY FOR THE MONTH OF OCTOBER 2017...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1893 TO 2017

WEATHER         OBSERVED          NORMAL  DEPART  LAST YEAR`S
                 VALUE   DATE(S)  VALUE   FROM    VALUE  DATE(S)
                                          NORMAL
................................................................
TEMPERATURE (F)
RECORD
 HIGH             101   10/05/1987
 LOW               30   10/18/1893
HIGHEST            94   10/24                         89  10/08
LOWEST             45   10/13        MM               50  10/06
                        10/12                             10/03
AVG. MAXIMUM     79.5              74.0     5.5     74.5
AVG. MINIMUM     52.5              52.5     0.0     55.0
MEAN             66.0                               64.8
DAYS MAX >= 90      3                                  0
DAYS MAX <= 32      0                                  0
DAYS MIN <= 32      0                                  0
DAYS MIN <= 0       0                                  0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM           MM   MM
 MINIMUM           MM   MM
TOTALS           0.22              0.80   -0.58     1.56
DAILY AVG.       0.01              0.03   -0.02     0.05
DAYS >= .01         2                                  6
DAYS >= .10         1                                  4
DAYS >= .50         0                                  1
DAYS >= 1.00        0                                  0
GREATEST
 24 HR. TOTAL    0.20   10/19 TO 10/19           10/27 TO 10/28
                                                          10/31 TO 10/31
                                                          10/31 TO 10/31

DEGREE_DAYS
HEATING TOTAL      43                91     -48       34
 SINCE 7/1         48               110     -62       36
COOLING TOTAL      81                37      44       33
 SINCE 1/1        990               636     354      699
..................................................

WIND (MPH)
AVERAGE WIND SPEED              5.1
RESULTANT WIND SPEED/DIRECTION   3/298
HIGHEST WIND SPEED/DIRECTION    26/300    DATE  10/19
HIGHEST GUST SPEED/DIRECTION    32/320    DATE  10/19

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.20
NUMBER OF DAYS FAIR           22
NUMBER OF DAYS PC              7
NUMBER OF DAYS CLOUDY          2

AVERAGE RH (PERCENT)     54

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              0     MIXED PRECIP               0
HEAVY RAIN                1     RAIN                       2
LIGHT RAIN                2     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                0     SLEET                      0
FOG                       7     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.