Climatological Report (Monthly)
Issued by NWS San Juan, PR

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366
CXCA52 TJSJ 010429
CLMSJU


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN JUAN, PR
1228 AM AST THU JUN 1 2017

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

...THE SAN JUAN AREA/PR CLIMATE SUMMARY FOR THE MONTH OF MAY 2017...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1898 TO 2017

WEATHER         OBSERVED          NORMAL  DEPART  LAST YEAR`S
                 VALUE   DATE(S)  VALUE   FROM    VALUE  DATE(S)
                                          NORMAL
................................................................
TEMPERATURE (F)
RECORD
 HIGH              96   05/11/1980
                        05/05/1980
 LOW               66   05/05/1962
                        05/03/1903
HIGHEST            93   05/24        92       1       92  05/23
                        05/16                             05/22
                        05/15                             05/06
LOWEST             72   05/01        71       1       72  05/02
AVG. MAXIMUM     87.9              87.5     0.4     87.5
AVG. MINIMUM     76.7              76.3     0.4     76.3
MEAN             82.3              81.9     0.4     81.9
DAYS MAX >= 90      7               5.9     1.1        6
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        16.88   1936
 MINIMUM         0.44   1972
TOTALS           4.53              5.90   -1.37     7.18
DAILY AVG.       0.15              0.19   -0.04     0.23
DAYS >= .01        12              15.7    -3.7       25
DAYS >= .10         7               9.1    -2.1       12
DAYS >= .50         3               3.7    -0.7        5
DAYS >= 1.00        2               1.7     0.3        1
GREATEST
 24 HR. TOTAL    1.64   05/29 TO 05/29

SNOWFALL (INCHES)
TOTALS            0.0               0.0     0.0      0.0

DEGREE_DAYS
HEATING TOTAL       0                 0       0        0
COOLING TOTAL     542               524      18      530
.................................................................

WIND (MPH)
AVERAGE WIND SPEED              9.4
HIGHEST WIND SPEED/DIRECTION    25/070    DATE  05/17
HIGHEST GUST SPEED/DIRECTION    30/060    DATE  05/17

SKY COVER
AVERAGE SKY COVER           0.40

AVERAGE RH (PERCENT)     79

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              0     MIXED PRECIP               0
HEAVY RAIN                2     RAIN                       4
LIGHT RAIN               13     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                0     SLEET                      0
FOG                       8     FOG W/VIS <= 1/4 MILE      0
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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