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 THU JAN 5 2017

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

...THE GUAM INTERNATIONAL AIRPORT GU CLIMATE SUMMARY FOR THE MONTH OF DECEMBER 2016...

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              91   12/15/2014
                        12/03/2012
                        12/02/1994
 LOW               68   12/31/1962
HIGHEST            90   12/16        MM      MM       90  12/04
                        12/03                             12/02
LOWEST             74   12/12        MM      MM       73  12/30
AVG. MAXIMUM     87.6              85.6     2.0     87.6
AVG. MINIMUM     77.6              76.8     0.8     77.8
MEAN             82.6              81.2     1.4     82.7
DAYS MAX >= 90      2               0.0     2.0        2
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         7.85   2009
 MINIMUM         2.68   2007
TOTALS           8.68R             5.98    2.70     3.77
DAILY AVG.       0.28              0.19    0.09     0.12
DAYS >= .01        25              23.6     1.4       19
DAYS >= .10        14              12.8     1.2       10
DAYS >= .50         3               3.2    -0.2        2
DAYS >= 1.00        1               0.9     0.1        1
GREATEST
 24 HR. TOTAL    4.49   12/11 TO 12/12           12/28 TO 12/28
                                                          12/31 TO 12/31
                                                          12/31 TO 12/31
 STORM TOTAL       MM                                 MM
 (MM/DD(HH))            MM                    12/28(00) TO 12/28(00)
                                                 12/31(00) TO 12/31(00)1
                                                 12/31(00) TO 12/31(00)1

SNOWFALL (INCHES)
RECORDS
 TOTAL             MM   MM
 24 HR TOTAL       MM
 SNOW DEPTH        MM   MM
TOTALS            0.0               0.0     0.0      0.0
 LIQUID EQUIV    0.00              0.00    0.00     0.00
SINCE 7/1         0.0               0.0     0.0      0.0
 LIQUID 7/1      0.00              0.00    0.00     0.00
SNOWDEPTH AVG.      0                MM      MM        0
DAYS >= TRACE       0               0.0     0.0        0
DAYS >= 1.0         0               0.0     0.0        0
GREATEST
 SNOW DEPTH         0   MM                             0  MM
 24 HR TOTAL      0.0   12/31 TO 12/31           12/31 TO 12/31
                                                          12/31 TO 12/31
                                                          12/31 TO 12/31
 STORM TOTAL       MM                                 MM
 (MM/DD(HH))            MM                    12/31(00) TO 12/31(00)
                                                 12/31(00) TO 12/31(00)1
                                                 12/31(00) TO 12/31(00)1

DEGREE_DAYS
HEATING TOTAL       0                 0       0        0
 SINCE 7/1          0                 0       0        0
COOLING TOTAL     553               502      51      558
 SINCE 1/1       6761              6003     758     6308

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

WIND (MPH)
AVERAGE WIND SPEED              12.7
RESULTANT WIND SPEED/DIRECTION  12/076
HIGHEST WIND SPEED/DIRECTION    39/060    DATE  12/12
HIGHEST GUST SPEED/DIRECTION    48/060    DATE  12/12

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.40
NUMBER OF DAYS FAIR           14
NUMBER OF DAYS PC             15
NUMBER OF DAYS CLOUDY          1

AVERAGE RH (PERCENT)     80

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              0     MIXED PRECIP               0
HEAVY RAIN               12     RAIN                       8
LIGHT RAIN               25     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                0     SLEET                      0
FOG                      18     FOG W/VIS <= 1/4 MILE      0
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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