Weather History for Guam Agana, GU

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Month of December, 2012

  Max Avg Min Sum
Temperature  
Max Temperature 91 °F 88 °F 84 °F
Mean Temperature 85 °F 83 °F 80 °F
Min Temperature 81 °F 78 °F 75 °F
Degree Days  
Heating Degree Days (base 65) 0 0 0 0
Cooling Degree Days (base 65) 20 18 16 556
Growing Degree Days (base 50) 35 33 30 1024
Dew Point  
Dew Point 79 °F 74 °F 69 °F
Precipitation  
Precipitation 0.31 in 0.06 in 0.00 in 1.82 in
Snowdepth - - - -
Wind  
Wind 28 mph 12 mph 0 mph
Gust Wind 39 mph 24 mph 16 mph
Sea Level Pressure  
Sea Level Pressure 29.97 in 29.85 in 29.73 in

Monthly Weather History Graph

Monthly Weather History Graph

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Date:

Astronomy

Dec. 10, 2012 Rise Set
Actual Time 6:33 AM ChST 5:54 PM ChST
Civil Twilight 6:10 AM ChST 6:17 PM ChST
Nautical Twilight 5:43 AM ChST 6:43 PM ChST
Astronomical Twilight 5:17 AM ChST 7:10 PM ChST
Moon 2:55 AM ChST (12/10) 2:54 PM ChST (12/10)
Length of Visible Light 12h 07m
Length of Day
11h 21m
Waning Crescent, 15% of the Moon is Illuminated
Dec 10
Waning Crescent
Dec 13
New
Dec 20
First Quarter
Dec 28
Full
Jan 5
Last Quarter

Weather History Calendar

Precipitation Actual month total 1.82 Average Month Total: 12.61
Sunday Monday Tuesday Wednesday Thursday Friday Saturday
 
Rain
Actual:
89 | 79 0.08
Average:
85 | 75 0.31
Rain
Actual:
84 | 78 0.01
Average:
85 | 75 0.30
Rain
Actual:
91 | 79 0.01
Average:
85 | 75 0.31
Scattered Clouds
Actual:
89 | 78 0.00
Average:
85 | 75 0.30
Scattered Clouds
Actual:
89 | 77 0.00
Average:
85 | 75 0.30
Rain
Actual:
88 | 80 0.00
Average:
85 | 75 0.29
Partly Cloudy
Actual:
89 | 78 0.00
Average:
84 | 75 0.29
Rain
Actual:
87 | 77 0.20
Average:
84 | 75 2.60
Partly Cloudy
Actual:
88 | 78 0.00
Average:
84 | 75 0.29
Scattered Clouds
Actual:
88 | 78 0.00
Average:
84 | 75 0.29
Rain
Actual:
88 | 77 0.00
Average:
84 | 75 0.29
Scattered Clouds
Actual:
88 | 79 0.00
Average:
84 | 75 0.29
Partly Cloudy
Actual:
89 | 79 0.00
Average:
84 | 75 0.29
Partly Cloudy
Actual:
90 | 78 0.00
Average:
84 | 75 0.29
Rain
Actual:
89 | 79 0.31
Average:
84 | 75 0.66
Rain
Actual:
89 | 78 0.28
Average:
84 | 75 0.29
Rain
Actual:
87 | 78 0.00
Average:
84 | 75 0.29
Scattered Clouds
Actual:
89 | 81 0.04
Average:
84 | 75 0.30
Rain
Actual:
89 | 79 0.00
Average:
84 | 75 0.30
Rain
Actual:
89 | 79 0.03
Average:
84 | 75 0.30
Rain
Actual:
88 | 75 0.02
Average:
84 | 75 0.30
Rain
Actual:
89 | 78 0.00
Average:
84 | 75 0.30
Rain
Actual:
87 | 80 0.12
Average:
84 | 75 0.30
Scattered Clouds
Actual:
88 | 79 0.00
Average:
84 | 75 0.30
Rain
Actual:
88 | 77 0.16
Average:
84 | 75 0.30
Rain
Actual:
86 | 75 0.20
Average:
84 | 75 0.29
Rain
Actual:
86 | 75 0.12
Average:
83 | 75 0.29
Rain
Actual:
84 | 77 0.12
Average:
83 | 75 0.29
Rain
Actual:
87 | 75 0.08
Average:
83 | 75 0.29
Scattered Clouds
Actual:
87 | 79 0.00
Average:
83 | 75 1.08
Partly Cloudy
Actual:
87 | 79 0.04
Average:
83 | 75 0.29
 

Calendar Legend

Sunny
Clear
Mostly Cloudy
Partly Sunny
Partly Cloudy
Mostly Sunny
Cloudy Rain Snow
Hail
Flurries
Thunderstorms Hazy
Fog
Sleet '?' denotes
'chance of'
Unknown

Daily Weather History & Observations

2012 Temp. (°F) Dew Point (°F) Humidity (%) Sea Level Press. (in) Visibility (mi) Wind (mph) Precip. (in) Events
Dec high avg low high avg low high avg low high avg low high avg low high avg high sum  
1 89 84 79 76 74 73 87 74 60 29.92 29.87 29.83 10 10 2 16 10 - 0.08 Rain
2 84 81 78 79 77 75 93 86 74 29.92 29.87 29.81 10 9 5 18 10 28 0.01 Rain
3 91 85 79 77 75 74 90 77 63 29.90 29.87 29.82 10 10 5 16 9 21 0.01 Rain
4 89 84 78 76 75 73 88 77 62 29.90 29.86 29.81 10 10 10 15 9 - 0.00  
5 89 83 77 76 74 72 90 75 58 29.96 29.88 29.83 10 10 9 16 8 20 0.00  
6 88 84 80 76 74 70 82 71 55 29.95 29.89 29.84 10 10 10 17 12 25 0.00 Rain
7 89 84 78 75 74 73 87 71 55 29.97 29.91 29.87 10 10 9 16 8 18 0.00  
8 87 82 77 77 75 73 94 81 62 29.94 29.88 29.81 10 9 2 14 9 - 0.20 Rain
9 88 84 78 76 73 71 90 74 57 29.86 29.81 29.75 10 10 10 13 8 - 0.00  
10 88 83 78 75 74 73 90 75 60 29.89 29.83 29.77 10 10 10 10 6 - 0.00  
11 88 82 77 74 72 69 84 69 48 29.89 29.85 29.79 10 10 10 16 8 21 0.00 Rain
12 88 84 79 75 73 71 82 71 55 29.95 29.88 29.83 10 10 10 13 8 20 0.00  
13 89 84 79 74 72 70 81 69 55 29.95 29.91 29.88 10 10 10 23 13 31 0.00  
14 90 84 78 72 71 69 74 64 46 29.96 29.91 29.86 10 10 10 28 17 34 0.00  
15 89 84 79 76 73 72 90 70 57 29.93 29.88 29.84 10 10 10 26 18 39 0.31 Rain
16 89 84 78 79 76 74 94 84 57 29.90 29.86 29.79 10 8 2 20 14 32 0.28 Rain
17 87 82 78 79 76 75 95 80 63 29.88 29.84 29.78 10 10 10 17 11 22 0.00 Rain
18 89 85 81 76 75 74 85 76 65 29.89 29.84 29.80 10 10 10 16 10 21 0.04  
19 89 84 79 77 75 72 93 76 55 29.92 29.86 29.81 10 10 4 20 13 26 0.00 Rain
20 89 84 79 79 74 72 89 74 57 29.89 29.85 29.80 10 10 10 23 14 38 0.03 Rain
21 88 82 75 74 73 71 88 73 57 29.88 29.82 29.78 10 10 9 26 18 36 0.02 Rain
22 89 84 78 74 72 69 84 69 52 29.82 29.77 29.73 10 10 10 26 16 32 0.00 Rain
23 87 84 80 75 74 71 85 73 62 29.86 29.79 29.73 10 10 6 21 13 26 0.12 Rain
24 88 84 79 73 71 70 79 69 52 29.87 29.82 29.77 10 10 10 20 11 26 0.00  
25 88 82 77 76 73 69 90 75 60 29.88 29.84 29.77 10 9 2 24 13 33 0.16 Rain
26 86 80 75 75 74 71 94 84 62 29.89 29.84 29.75 10 7 1 22 11 31 0.20 Rain
27 86 80 75 75 72 69 87 72 55 29.91 29.86 29.81 10 10 4 26 15 37 0.12 Rain
28 84 80 77 77 74 71 94 82 70 29.93 29.86 29.81 10 9 2 25 17 34 0.12 Rain
29 87 81 75 75 73 70 94 76 55 29.91 29.85 29.80 10 9 2 18 14 29 0.08 Rain
30 87 83 79 76 73 71 84 75 62 29.86 29.80 29.73 10 10 10 22 14 26 0.00  
31 87 83 79 76 75 73 87 78 65 29.87 29.82 29.78 10 10 10 21 13 25 0.04