Climatological Report (Monthly)
Issued by NWS

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000
CXCA52 TJSJ 050410
CLMIST


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN JUAN, PR
1209 AM AST THU OCT 5 2017

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

...THE CYRIL E. KING AP/ST THOMAS  CLIMATE SUMMARY FOR THE MONTH OF SEPTEMBER 2017...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1953 TO 2017

WEATHER         OBSERVED          NORMAL  DEPART  LAST YEAR`S
                 VALUE   DATE(S)  VALUE   FROM    VALUE  DATE(S)
                                          NORMAL
................................................................
TEMPERATURE (F)
RECORD
 HIGH              98   09/28/1993
                        09/05/1993
                        09/01/1993
 LOW               64   09/17/1972
HIGHEST            92   09/18        92       0       93  09/30
                                                          09/28
                                                          09/01
LOWEST             73   09/30        80      -7       74  09/10
AVG. MAXIMUM     88.0              90.0    -2.0     90.5
AVG. MINIMUM     78.4              77.9     0.5     79.8
MEAN             83.2              84.0    -0.8     85.1
DAYS MAX >= 90      6              13.4    -7.4       21
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        14.94   1953
 MINIMUM         0.92   2012
TOTALS           9.65              5.58    4.07     3.25
DAILY AVG.       0.57              0.18    0.39     0.11
DAYS >= .01        11              15.0    -4.0       17
DAYS >= .10         9               8.0     1.0        8
DAYS >= .50         3               2.5     0.5        1
DAYS >= 1.00        3               1.0     2.0        1
GREATEST
 24 HR. TOTAL    3.90   09/30 TO 09/30

SNOWFALL (INCHES)
TOTALS            0.0               0.0     0.0      0.0

DEGREE_DAYS
HEATING TOTAL       0                 0       0        0
COOLING TOTAL     312               568    -256      611
.................................................................

WIND (MPH)
AVERAGE WIND SPEED              12.5
HIGHEST WIND SPEED/DIRECTION    59/320    DATE  09/06
HIGHEST GUST SPEED/DIRECTION    88/320    DATE  09/06

SKY COVER
AVERAGE SKY COVER           0.30

AVERAGE RH (PERCENT)     82

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              0     MIXED PRECIP               0
HEAVY RAIN                7     RAIN                       6
LIGHT RAIN               14     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                0     SLEET                      0
FOG                       6     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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