Weather History for Juliana Airport, St. Martin

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Month of September, 2011

  Max Avg Min Sum
Temperature  
Max Temperature 89 °F 86 °F 82 °F
Mean Temperature 84 °F 83 °F 78 °F
Min Temperature 82 °F 79 °F 75 °F
Degree Days  
Heating Degree Days (base 65) 0 0 0 0
Cooling Degree Days (base 65) 20 18 14 536
Growing Degree Days (base 50) 34 33 28 985
Dew Point  
Dew Point 79 °F 75 °F 70 °F
Precipitation  
Precipitation 0.00 in 0.00 in 0.00 in 0.00 in
Snowdepth - - - -
Wind  
Wind 29 mph 9 mph 0 mph
Gust Wind 40 mph 28 mph 20 mph
Sea Level Pressure  
Sea Level Pressure 30.04 in 29.92 in 29.71 in

Monthly Weather History Graph

Monthly Weather History Graph

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Date:

Astronomy

Sep. 07, 2011 Rise Set
Actual Time 5:59 AM AST 6:21 PM AST
Civil Twilight 5:37 AM AST 6:43 PM AST
Nautical Twilight 5:11 AM AST 7:09 PM AST
Astronomical Twilight 4:45 AM AST 7:34 PM AST
Moon 3:07 PM AST (9/7) 1:44 AM AST (9/7)
Length of Visible Light 13h 06m
Length of Day
12h 22m
Waxing Gibbous, 79% of the Moon is Illuminated
Sep 7
Waxing Gibbous
Sep 12
Full
Sep 20
Last Quarter
Sep 27
New
Oct 3
First Quarter

Weather History Calendar

Precipitation Actual month total 0.00 Average Month Total: 5.33
Sunday Monday Tuesday Wednesday Thursday Friday Saturday
 
Funnel Cloud
Actual:
87 | 80 0.00
Average:
87 | 78 0.19
Scattered Clouds
Actual:
87 | 80 0.00
Average:
87 | 78 0.21
Rain
Actual:
89 | 80 0.00
Average:
87 | 78 0.21
Scattered Clouds
Actual:
87 | 82 0.00
Average:
87 | 78 0.21
Rain
Actual:
87 | 82 0.00
Average:
87 | 78 0.20
Scattered Clouds
Actual:
87 | 82 0.00
Average:
87 | 78 0.19
Thunderstorm
Actual:
89 | 77 0.00
Average:
87 | 78 0.18
Thunderstorm
Actual:
87 | 78 0.00
Average:
87 | 78 0.18
Scattered Clouds
Actual:
87 | 82 0.00
Average:
87 | 78 0.19
Rain
Actual:
87 | 78 0.00
Average:
87 | 78 0.20
Thunderstorm
Actual:
84 | 78 0.00
Average:
87 | 78 0.19
Thunderstorm
Actual:
82 | 77 0.00
Average:
87 | 78 0.20
Thunderstorm
Actual:
87 | 75 0.00
Average:
87 | 78 0.21
Scattered Clouds
Actual:
86 | 80 0.00
Average:
87 | 78 0.21
Scattered Clouds
Actual:
87 | 82 0.00
Average:
87 | 78 0.20
Scattered Clouds
Actual:
87 | 78 0.00
Average:
87 | 78 0.19
Thunderstorm
Actual:
86 | 77 0.00
Average:
87 | 78 0.20
Thunderstorm
Actual:
82 | 75 0.00
Average:
87 | 78 0.20
Partly Cloudy
Actual:
86 | 78 0.00
Average:
87 | 78 0.18
Rain
Actual:
86 | 80 0.00
Average:
87 | 78 0.17
Rain
Actual:
87 | 80 0.00
Average:
87 | 78 0.22
Rain
Actual:
86 | 80 0.00
Average:
87 | 78 0.16
Rain
Actual:
87 | 80 0.00
Average:
87 | 78 0.15
Scattered Clouds
Actual:
87 | 80 0.00
Average:
87 | 78 0.14
Rain
Actual:
89 | 77 0.00
Average:
87 | 78 0.13
Rain
Actual:
86 | 78 0.00
Average:
87 | 78 0.12
Rain
Actual:
87 | 80 0.00
Average:
87 | 78 0.12
Scattered Clouds
Actual:
86 | 80 0.00
Average:
87 | 78 0.12
Rain
Actual:
86 | 80 0.00
Average:
87 | 78 0.12
Scattered Clouds
Actual:
87 | 80 0.00
Average:
87 | 78 0.14
 

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

2011 Temp. (°F) Dew Point (°F) Humidity (%) Sea Level Press. (in) Visibility (mi) Wind (mph) Precip. (in) Events
Sep high avg low high avg low high avg low high avg low high avg low high avg high sum  
1 87 84 80 77 75 73 84 74 62 30.01 29.98 29.95 6 6 6 9 7 - 0.00 Rain , Tornado
2 87 84 80 77 76 75 84 76 66 30.01 29.96 29.92 6 6 6 9 6 - 0.00  
3 89 84 80 77 75 70 84 73 58 29.98 29.94 29.92 6 6 4 10 6 - 0.00 Rain
4 87 84 82 77 75 73 79 75 62 29.95 29.91 29.89 6 6 6 9 4 - 0.00  
5 87 84 82 77 76 75 79 73 66 29.95 29.91 29.86 6 6 5 12 6 - 0.00 Rain
6 87 84 82 77 75 72 84 72 62 30.01 29.95 29.92 6 6 6 10 6 - 0.00  
7 89 83 77 77 75 73 94 77 62 29.98 29.93 29.89 6 6 2 17 8 24 0.00 Rain , Thunderstorm
8 87 82 78 79 77 75 94 81 66 29.98 29.94 29.89 6 6 2 15 9 - 0.00 Rain , Thunderstorm
9 87 84 82 77 75 72 84 72 58 29.98 29.92 29.86 6 6 6 22 14 - 0.00  
10 87 82 78 77 75 73 94 80 62 29.92 29.81 29.74 6 6 5 20 16 33 0.00 Rain
11 84 81 78 79 77 75 94 87 79 29.98 29.86 29.71 6 5 1 29 13 40 0.00 Rain , Thunderstorm
12 82 80 77 79 76 72 94 85 74 30.01 29.98 29.92 6 6 2 17 13 22 0.00 Rain , Thunderstorm
13 87 81 75 77 76 73 94 80 70 29.98 29.94 29.92 6 6 4 15 9 - 0.00 Rain , Thunderstorm
14 86 83 80 79 77 75 89 80 74 30.01 29.97 29.92 6 6 6 15 10 - 0.00  
15 87 84 82 77 75 75 84 75 66 30.04 29.99 29.95 6 6 6 14 10 - 0.00  
16 87 82 78 75 73 70 79 72 58 30.01 29.97 29.92 6 6 6 13 10 - 0.00  
17 86 82 77 75 73 70 89 78 66 29.98 29.93 29.89 6 6 6 16 9 - 0.00 Rain , Thunderstorm
18 82 78 75 75 74 72 100 82 74 30.01 29.95 29.89 6 6 2 22 9 32 0.00 Rain , Thunderstorm
19 86 82 78 75 74 73 84 75 66 29.98 29.92 29.89 6 6 6 10 8 - 0.00  
20 86 83 80 75 74 72 84 76 70 29.98 29.93 29.89 6 6 6 13 9 - 0.00 Rain
21 87 84 80 79 76 73 94 80 70 29.98 29.94 29.86 6 6 3 20 11 - 0.00 Rain
22 86 83 80 77 75 73 89 76 70 30.04 29.99 29.95 6 6 6 17 12 - 0.00 Rain
23 87 84 80 75 73 72 84 70 62 30.04 29.99 29.95 6 6 5 17 12 - 0.00 Rain
24 87 84 80 75 73 72 84 73 62 29.98 29.94 29.89 6 6 6 20 14 - 0.00  
25 89 83 77 77 76 72 89 81 66 29.95 29.89 29.86 6 6 6 12 8 - 0.00 Rain
26 86 82 78 79 77 75 89 82 74 29.95 29.91 29.89 6 6 6 7 3 - 0.00 Rain
27 87 84 80 79 77 75 89 82 70 29.95 29.89 29.86 6 6 6 10 5 - 0.00 Rain
28 86 83 80 77 75 73 84 77 70 29.89 29.82 29.77 6 6 6 10 8 - 0.00  
29 86 83 80 77 75 73 84 77 70 29.86 29.80 29.74 6 6 6 15 9 - 0.00 Rain
30 87 84 80 77 76 73 84 76 70 29.92 29.87 29.80 6 6 6 10 5 - 0.00