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 
000
CXUS56 KMTR 011956
CLMSTS


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
1256 PM PDT WED MAY 1 2013

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

...THE SANTA ROSA AIRPORT CLIMATE SUMMARY FOR THE MONTH OF APRIL 2013...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1998 TO 2013

WEATHER         OBSERVED          NORMAL  DEPART  LAST YEAR`S
                 VALUE   DATE(S)  VALUE   FROM    VALUE  DATE(S)
                                          NORMAL
................................................................
TEMPERATURE (F)
RECORD
 HIGH              94   04/26/2004
 LOW               31   04/09/1999
                        04/01/1999
HIGHEST            91   04/22                         89  04/21
LOWEST             41   04/28                         33  04/06
                        04/18
                        04/17
AVG. MAXIMUM     74.4              68.8     5.6     69.0
AVG. MINIMUM     45.6              42.4     3.2     44.4
MEAN             60.0              55.6     4.4     56.7
DAYS MAX >= 90      2               0.4     1.6        0
DAYS MAX <= 32      0               0.0     0.0        0
DAYS MIN <= 32      0               0.3    -0.3        0
DAYS MIN <= 0       0               0.0     0.0        0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM         5.83   2006
 MINIMUM         0.00   2008
TOTALS           1.11                               2.12
DAILY AVG.       0.04                               0.07
DAYS >= .01         5                                 10
DAYS >= .10         1                                  3
DAYS >= .50         1                                  2
DAYS >= 1.00        0                                  0
GREATEST
 24 HR. TOTAL    0.96   03/31 TO 04/01           04/12 TO 04/12
                                                          04/30 TO 04/30
                                                          04/30 TO 04/30

DEGREE_DAYS
HEATING TOTAL     160                                252
 SINCE 7/1       2586                               2761
COOLING TOTAL      18                                 10
 SINCE 1/1         18                                 10
.................................................

WIND (MPH)
AVERAGE WIND SPEED              6.5
RESULTANT WIND SPEED/DIRECTION   2/322
HIGHEST WIND SPEED/DIRECTION    31/320    DATE  04/14
HIGHEST GUST SPEED/DIRECTION    38/320    DATE  04/14

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.30
NUMBER OF DAYS FAIR           19
NUMBER OF DAYS PC              8
NUMBER OF DAYS CLOUDY          3

AVERAGE RH (PERCENT)     64

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              0     MIXED PRECIP               0
HEAVY RAIN                1     RAIN                       3
LIGHT RAIN                4     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                0     SLEET                      0
FOG                      16     FOG W/VIS <= 1/4 MILE      4
HAZE                      9

-  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.