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
000
CXUS56 KMTR 012049
CLMSTS


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
1249 PM PST SAT FEB 1 2020

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

...THE SANTA ROSA AIRPORT CLIMATE SUMMARY FOR THE MONTH OF JANUARY 2020...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1998 TO 2020

WEATHER         OBSERVED          NORMAL  DEPART  LAST YEAR`S
                 VALUE   DATE(S)  VALUE   FROM    VALUE  DATE(S)
                                          NORMAL
................................................................
TEMPERATURE (F)
RECORD
 HIGH              82   01/12/2009
 LOW               20   01/15/2007
HIGHEST            72   01/30                         68  01/25
LOWEST             29   01/15                         28  01/03
                                                          01/02
AVG. MAXIMUM     59.2              56.7     2.5     59.7
AVG. MINIMUM     38.5              36.6     1.9     40.3
MEAN             48.8              46.7     2.1     50.0
DAYS MAX >= 90      0               0.0     0.0        0
DAYS MAX <= 32      0               0.0     0.0        0
DAYS MIN <= 32      4               9.3    -5.3        4
DAYS MIN <= 0       0               0.0     0.0        0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM        18.96   2017
 MINIMUM         0.10   2014
TOTALS           2.38                               8.11
DAILY AVG.       0.08                               0.26
DAYS >= .01        11                                 14
DAYS >= .10         6                                  9
DAYS >= .50         2                                  4
DAYS >= 1.00        0                                  2
GREATEST
 24 HR. TOTAL    0.99   01/16 TO 01/16           01/06 TO 01/06
                                                          01/31 TO 01/31EATHER         OBSERVED          NORMAL  DEPART  LAST YEAR`S
                                                          01/31 TO 01/31EATHER         OBSERVED          NORMAL  DEPART  LAST YEAR`S

DEGREE_DAYS
HEATING TOTAL     495                                455
 SINCE 7/1       1488                               1437
COOLING TOTAL       0                                  0
 SINCE 1/1          0                                  0
.................................................................

WIND (MPH)
AVERAGE WIND SPEED              3.2
RESULTANT WIND SPEED/DIRECTION   1/276
HIGHEST WIND SPEED/DIRECTION    22/140    DATE  01/16
HIGHEST GUST SPEED/DIRECTION    30/140    DATE  01/16

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.50
NUMBER OF DAYS FAIR            8
NUMBER OF DAYS PC             16
NUMBER OF DAYS CLOUDY          7

AVERAGE RH (PERCENT)     80

WEATHER CONDITIONS. NUMBER OF DAYS WITH
  0
  8
  0
  0
  0
  0
 17
HAZE                      4

-  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.