Climatological Report (Monthly)
Issued by NWS Tiyan, Guam

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000
CXGM50 PGUM 041520
CLMGUM


CLIMATE REPORT
NATIONAL WEATHER SERVICE TIYAN, GUAM
120 AM CHST WED AUG 5 2015

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

...THE GUAM INTERNATIONAL AIRPORT GU CLIMATE SUMMARY FOR THE MONTH OF JULY 2015...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1945 TO 2015

WEATHER         OBSERVED          NORMAL  DEPART  LAST YEAR`S
                 VALUE   DATE(S)  VALUE   FROM    VALUE  DATE(S)
                                          NORMAL
................................................................
TEMPERATURE (F)
RECORD
 HIGH              95   07/18/1969
 LOW               69   07/10/2006
HIGHEST            90   07/17        MM      MM       92  07/06
                        07/16
                        07/01
LOWEST             73   07/30        MM      MM       74  07/31
                        07/27                             07/29
                                                          07/12
AVG. MAXIMUM     87.1              87.1     0.0     86.9
AVG. MINIMUM     76.0              76.6    -0.6     77.0
MEAN             81.5              81.9    -0.4     82.0
DAYS MAX >= 90      3               1.2     1.8        8
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           MM   MM
 MINIMUM           MM   MM
TOTALS          21.80             12.14    9.66    29.39
DAILY AVG.       0.70              0.39    0.31     0.95
DAYS >= .01        23              26.2    -3.2       31
DAYS >= .10        15              18.5    -3.5       29
DAYS >= .50        10               7.2     2.8       11
DAYS >= 1.00        3               3.3    -0.3        7
GREATEST
 24 HR. TOTAL   12.65   07/04 TO 07/05           07/29 TO 07/30
                                                          07/31 TO 07/31
                                                          07/31 TO 07/31
 STORM TOTAL       MM                                 MM
 (MM/DD(HH))            MM                    07/30(00) TO 07/30(00)
                                                 07/31(00) TO 07/31(00)1
                                                 07/31(00) TO 07/31(00)1

DEGREE_DAYS
COOLING TOTAL     523               522       1      535
 SINCE 1/1       3576              3479      97     3759

FREEZE DATES
RECORD
 EARLIEST     MM
 LATEST       MM
EARLIEST                        MM
LATEST                          MM
..................................................

WIND (MPH)
AVERAGE WIND SPEED              6.8
RESULTANT WIND SPEED/DIRECTION   1/060
HIGHEST WIND SPEED/DIRECTION    37/290    DATE  07/05
HIGHEST GUST SPEED/DIRECTION    46/300    DATE  07/05

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.40
NUMBER OF DAYS FAIR           21
NUMBER OF DAYS PC              8
NUMBER OF DAYS CLOUDY          2

AVERAGE RH (PERCENT)     84

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              0     MIXED PRECIP               0
HEAVY RAIN                9     RAIN                      12
LIGHT RAIN               17     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                0     SLEET                      0
FOG                      20     FOG W/VIS <= 1/4 MILE      2
HAZE                      4

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

$$



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