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 TUE SEP 5 2017

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

...THE GUAM INTERNATIONAL AIRPORT GU CLIMATE SUMMARY FOR THE MONTH OF AUGUST 2017...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1945 TO 2017

WEATHER         OBSERVED          NORMAL  DEPART  LAST YEAR`S
                 VALUE   DATE(S)  VALUE   FROM    VALUE  DATE(S)
                                          NORMAL
................................................................
TEMPERATURE (F)
RECORD
 HIGH              94   08/30/1994
                        08/06/1994
 LOW               70   08/15/1989
                        08/22/1986
                        08/13/1967
HIGHEST            90   08/25        MM      MM       91  08/31
                        08/17                             08/30
                        08/16                             08/27
LOWEST             74   08/28        MM      MM       74  08/04
                        08/27
                        08/26
AVG. MAXIMUM     88.3              86.5     1.8     87.7
AVG. MINIMUM     77.2              76.3     0.9     77.8
MEAN             82.7              81.4     1.3     82.7
DAYS MAX >= 90     11               0.6    10.4        9
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        26.42   2012
 MINIMUM         7.84   2008
TOTALS           9.73             17.15   -7.42    20.85
DAILY AVG.       0.31              0.55   -0.24     0.67
DAYS >= .01        28              26.4     1.6       24
DAYS >= .10        22              19.3     2.7       21
DAYS >= .50         8               9.8    -1.8       11
DAYS >= 1.00        2               5.1    -3.1        7
GREATEST
 24 HR. TOTAL    1.21   08/26 TO 08/26           08/03 TO 08/03
                                                          08/31 TO 08/31
                                                          08/31 TO 08/31
 STORM TOTAL       MM                                 MM
 (MM/DD(HH))            MM                    08/03(00) TO 08/03(00)
                                                 08/31(00) TO 08/31(00)1
                                                 08/31(00) TO 08/31(00)1

DEGREE_DAYS
COOLING TOTAL     555               508      47      556
 SINCE 1/1       4382              3987     395     4464

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

WIND (MPH)
AVERAGE WIND SPEED              4.9
RESULTANT WIND SPEED/DIRECTION   2/147
HIGHEST WIND SPEED/DIRECTION    25/270    DATE  08/27
HIGHEST GUST SPEED/DIRECTION    33/120    DATE  08/18

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.30
NUMBER OF DAYS FAIR           18
NUMBER OF DAYS PC             13
NUMBER OF DAYS CLOUDY          0

AVERAGE RH (PERCENT)     86

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              0     MIXED PRECIP               0
HEAVY RAIN               16     RAIN                      15
LIGHT RAIN               28     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                0     SLEET                      0
FOG                      26     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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