Climatological Report (Monthly)
Issued by NWS

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CXUS56 KMTR 012015
CLMSTS


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
114 PM PDT SAT JUN 1 2019

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

...THE SANTA ROSA AIRPORT CLIMATE SUMMARY FOR THE MONTH OF MAY 2019...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1998 TO 2019

WEATHER         OBSERVED          NORMAL  DEPART  LAST YEAR`S
                 VALUE   DATE(S)  VALUE   FROM    VALUE  DATE(S)
                                          NORMAL
................................................................
TEMPERATURE (F)
RECORD
 HIGH             102   05/15/2008
 LOW               35   05/11/2010
HIGHEST            81   05/10                         89  05/28
LOWEST             38   05/02                         41  05/01
AVG. MAXIMUM     69.0              74.5    -5.5     75.2
AVG. MINIMUM     47.8              46.4     1.4     47.8
MEAN             58.4              60.4    -2.0     61.5
DAYS MAX >= 90      0               1.6    -1.6        0
DAYS MAX <= 32      0               0.0     0.0        0
DAYS MIN <= 32      0               0.0     0.0        0
DAYS MIN <= 0       0               0.0     0.0        0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM         5.05   2005
 MINIMUM         0.00   2001
TOTALS           4.41                               0.13
DAILY AVG.       0.14                               0.00
DAYS >= .01         7                                  2
DAYS >= .10         5                                  1
DAYS >= .50         3                                  0
DAYS >= 1.00        2                                  0
GREATEST
 24 HR. TOTAL    2.10   05/15 TO 05/15           05/25 TO 05/25
                                                          05/31 TO 05/31EATHER         OBSERVED          NORMAL  DEPART  LAST YEAR`S
                                                          05/31 TO 05/31EATHER         OBSERVED          NORMAL  DEPART  LAST YEAR`S

DEGREE_DAYS
HEATING TOTAL     198                                114
 SINCE 7/1       2708                               2676
COOLING TOTAL       2                                 13
 SINCE 1/1         18                                 14
.................................................................

WIND (MPH)
AVERAGE WIND SPEED              5.7
RESULTANT WIND SPEED/DIRECTION   3/183
HIGHEST WIND SPEED/DIRECTION    23/280    DATE  05/21
HIGHEST GUST SPEED/DIRECTION    32/310    DATE  05/21

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.60
NUMBER OF DAYS FAIR            7
NUMBER OF DAYS PC             16
NUMBER OF DAYS CLOUDY          8

AVERAGE RH (PERCENT)     77

WEATHER CONDITIONS. NUMBER OF DAYS WITH
  0
  4
  0
  0
  0
  0
  7
HAZE                      3

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

$$



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