National Weather Service Weather Forecast Office

• Home
• Site Map
• News
• Organization
• Search for: NWS All NOAA 

000
CXCA52 TJSJ 012202
CLMSJU

CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN JUAN, PR
543 PM AST WED MAY 1 2013

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

...THE SAN JUAN/P.R. CLIMATE SUMMARY FOR THE MONTH OF APRIL 2013...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1898 TO 2013

WEATHER         OBSERVED          NORMAL  DEPART
                 VALUE   DATE(S)  VALUE   FROM
                                          NORMAL
................................................
TEMPERATURE (F)
RECORD
 HIGH              97   04/17/1983
 LOW               64   04/12/1968
HIGHEST            91   04/07        91       0
                        04/06
                        04/02
LOWEST             71   04/16        69       2
AVG. MAXIMUM     87.1              86.2     0.9
AVG. MINIMUM     74.5              74.4     0.1
MEAN             80.8              80.3     0.5
DAYS MAX >= 90      5               3.3     1.7
DAYS MAX <= 32      0               0.0     0.0
DAYS MIN <= 32      0               0.0     0.0
DAYS MIN <= 0       0               0.0     0.0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM        15.00   2005
 MINIMUM         0.08   1997
TOTALS           3.95              4.68   -0.73
DAILY AVG.       0.13              0.16   -0.03
DAYS >= .01        22              13.3     8.7
DAYS >= .10         8               7.1     0.9
DAYS >= .50         1               2.3    -1.3
DAYS >= 1.00        1               1.2    -0.2
GREATEST
 24 HR. TOTAL    1.48   04/15 TO 04/16

DEGREE_DAYS
HEATING TOTAL       0                 0       0
 SINCE 7/1          0                 0       0
COOLING TOTAL     484               459      25
 SINCE 1/1       1735              1641      94
.................................................

WIND (MPH)
AVERAGE WIND SPEED              9.6
RESULTANT WIND SPEED/DIRECTION   9/079
HIGHEST WIND SPEED/DIRECTION    28/080    DATE  04/18
HIGHEST GUST SPEED/DIRECTION    35/070    DATE  04/17

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.40
NUMBER OF DAYS FAIR            6
NUMBER OF DAYS PC             22
NUMBER OF DAYS CLOUDY          0

AVERAGE RH (PERCENT)     71

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              0     MIXED PRECIP               0
HEAVY RAIN                2     RAIN                       2
LIGHT RAIN               15     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                0     SLEET                      0
FOG                       9     FOG W/VIS <= 1/4 MILE      0
HAZE                      2

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

$$