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

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000
CXCA52 TJSJ 072126
CLMSJU


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN JUAN, PR
526 PM AST SUN JAN 7 2018

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

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

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1898 TO 2018

WEATHER         OBSERVED          NORMAL  DEPART  LAST YEAR`S
                 VALUE   DATE(S)  VALUE   FROM    VALUE  DATE(S)
                                          NORMAL
................................................................
TEMPERATURE (F)
RECORD
 HIGH              98   10/09/1981
 LOW               60   03/03/1957
HIGHEST            94   09/24        95      -1       94  10/21
                        09/12                             10/10
                        09/13                             09/23
LOWEST             68   01/19        67       1       70  11/28
                                                          02/07
                                                          02/06
AVG. MAXIMUM     87.1              86.7     0.4     87.1
AVG. MINIMUM     76.3              75.4     0.9     76.1
MEAN             81.7              81.0     0.7     81.6
DAYS MAX >= 90     78              54.6    23.4       63
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        89.50   2010
 MINIMUM        35.53   1991
TOTALS          74.57             56.35   18.22    71.13
DAILY AVG.       0.20              0.16    0.04     0.19
DAYS >= .01       202             198.5     3.5      231
DAYS >= .10       107             108.6    -1.6      133
DAYS >= .50        37              32.6     4.4       40
DAYS >= 1.00       21              12.1     8.9       14
GREATEST
 24 HR. TOTAL    7.11   MM

SNOWFALL (INCHES)
TOTALS            0.0               0.0     0.0      0.0

DEGREE_DAYS
HEATING TOTAL       0                 0       0        0
COOLING TOTAL    6134              5855     279     6156
.................................................................

WIND (MPH)
AVERAGE WIND SPEED              8.6
HIGHEST WIND SPEED/DIRECTION    46/020    DATE  09/20
HIGHEST GUST SPEED/DIRECTION    75/020    DATE  09/20

SKY COVER
AVERAGE SKY COVER           0.40

AVERAGE RH (PERCENT)     78

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              0     MIXED PRECIP               0
HEAVY RAIN               46     RAIN                      70
LIGHT RAIN              198     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                0     SLEET                      0
FOG                     147     FOG W/VIS <= 1/4 MILE      0
HAZE                     30

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

$$



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