Climatological Report (Monthly)
Issued by NWS

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245
CXUS56 KMTR 011843
CLMSTS


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
1142 AM PDT SUN APR 1 2018

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

...THE SANTA ROSA AIRPORT CLIMATE SUMMARY FOR THE MONTH OF MARCH 2018...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1998 TO 2018

WEATHER         OBSERVED          NORMAL  DEPART  LAST YEAR`S
                 VALUE   DATE(S)  VALUE   FROM    VALUE  DATE(S)
                                          NORMAL
................................................................
TEMPERATURE (F)
RECORD
 HIGH              85   MM
 LOW               30   03/05/2018
HIGHEST            85R  03/29                         80  03/14
                                                          03/13
                                                          03/12
LOWEST             30R  03/05                         32  03/01
AVG. MAXIMUM     63.5              64.1    -0.6     67.0
AVG. MINIMUM     39.4              41.5    -2.1     42.8
MEAN             51.5              52.8    -1.3     54.9
DAYS MAX >= 90      0               0.0     0.0        0
DAYS MAX <= 32      0               0.0     0.0        0
DAYS MIN <= 32      4               0.2     3.8        1
DAYS MIN <= 0       0               0.0     0.0        0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM        11.13   2006
 MINIMUM         0.12   2015
TOTALS           6.71                               3.44
DAILY AVG.       0.22                               0.11
DAYS >= .01        17                                 10
DAYS >= .10        12                                  8
DAYS >= .50         5                                  2
DAYS >= 1.00        2                                  1
GREATEST
 24 HR. TOTAL    1.11   03/21 TO 03/21           03/24 TO 03/24
                                                          03/31 TO 03/31EATHER         OBSERVED          NORMAL  DEPART  LAST YEAR`S
                                                          03/31 TO 03/31EATHER         OBSERVED          NORMAL  DEPART  LAST YEAR`S

DEGREE_DAYS
HEATING TOTAL     411                                306
 SINCE 7/1       2284                               2329
COOLING TOTAL       1                                  0
 SINCE 1/1          1                                  0
.................................................................

WIND (MPH)
AVERAGE WIND SPEED              4.8
RESULTANT WIND SPEED/DIRECTION   1/250
HIGHEST WIND SPEED/DIRECTION    22/260    DATE  03/24
HIGHEST GUST SPEED/DIRECTION    31/240    DATE  03/01

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.50
NUMBER OF DAYS FAIR            9
NUMBER OF DAYS PC             14
NUMBER OF DAYS CLOUDY          8

AVERAGE RH (PERCENT)     74

WEATHER CONDITIONS. NUMBER OF DAYS WITH
  0
  9
  0
  0
  0
  0
 13
HAZE                      1

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

$$



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