Climatological Report (Monthly)
Issued by NWS

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000
CXUS56 KMTR 021802
CLMSTS


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
1102 AM PDT WED MAY 2 2018

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

...THE SANTA ROSA AIRPORT CLIMATE SUMMARY FOR THE MONTH OF APRIL 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              94   04/26/2004
 LOW               31   04/09/1999
                        04/01/1999
HIGHEST            82   04/23                         84  04/01
LOWEST             33   04/17                         34  04/09
AVG. MAXIMUM     68.1              68.8    -0.7     68.2
AVG. MINIMUM     42.8              42.4     0.4     44.8
MEAN             55.5              55.6    -0.1     56.5
DAYS MAX >= 90      0               0.4    -0.4        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           4.31                               4.56
DAILY AVG.       0.14                               0.15
DAYS >= .01         8                                 12
DAYS >= .10         6                                  8
DAYS >= .50         1                                  2
DAYS >= 1.00        1                                  1
GREATEST
 24 HR. TOTAL    2.77   04/06 TO 04/06           04/06 TO 04/07
                                                          04/30 TO 04/30EATHER         OBSERVED          NORMAL  DEPART  LAST YEAR`S
                                                          04/30 TO 04/30EATHER         OBSERVED          NORMAL  DEPART  LAST YEAR`S

DEGREE_DAYS
HEATING TOTAL     278                                248
 SINCE 7/1       2562                               2577
COOLING TOTAL       0                                  0
 SINCE 1/1          1                                  0
.................................................................

WIND (MPH)
AVERAGE WIND SPEED              4.8
RESULTANT WIND SPEED/DIRECTION   2/196
HIGHEST WIND SPEED/DIRECTION    26/280    DATE  04/11
HIGHEST GUST SPEED/DIRECTION    39/260    DATE  04/11

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.40
NUMBER OF DAYS FAIR           15
NUMBER OF DAYS PC             12
NUMBER OF DAYS CLOUDY          3

AVERAGE RH (PERCENT)     73

WEATHER CONDITIONS. NUMBER OF DAYS WITH
  0
  6
  0
  0
  0
  0
  6
HAZE                      0

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

$$



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