Weather History for Key West NAF, FL

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Month of September, 2012

  Max Avg Min Sum
Temperature  
Max Temperature 91 °F 89 °F 84 °F
Mean Temperature 86 °F 84 °F 80 °F
Min Temperature 82 °F 79 °F 73 °F
Degree Days  
Heating Degree Days (base 65) 0 0 0 0
Cooling Degree Days (base 65) 21 18 14 551
Growing Degree Days (base 50) 36 34 30 1009
Dew Point  
Dew Point 78 °F 74 °F 66 °F
Precipitation  
Precipitation 4.27 in 0.30 in 0.00 in 8.88 in
Snowdepth - - - -
Wind  
Wind 22 mph 6 mph 0 mph
Gust Wind 33 mph 21 mph 16 mph
Sea Level Pressure  
Sea Level Pressure 30.12 in 29.99 in 29.78 in

Monthly Weather History Graph

Monthly Weather History Graph

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Date:

Astronomy

Sep. 16, 2012 Rise Set
Actual Time 7:13 AM EDT 7:28 PM EDT
Civil Twilight 6:50 AM EDT 7:51 PM EDT
Nautical Twilight 6:24 AM EDT 8:18 PM EDT
Astronomical Twilight 5:57 AM EDT 8:45 PM EDT
Moon 7:41 AM EDT (9/16) 7:47 PM EDT (9/16)
Length of Visible Light 13h 01m
Length of Day
12h 15m
New Moon, 0% of the Moon is Illuminated
Sep 16
New Moon
Sep 22
First Quarter
Sep 29
Full
Oct 8
Last Quarter
Oct 15
New

Weather History Calendar

Precipitation Actual month total 8.88 Average Month Total: 5.30
Sunday Monday Tuesday Wednesday Thursday Friday Saturday
 
Rain
Actual:
90 | 78 4.27
Average:
88 | 78 0.24
Scattered Clouds
Actual:
89 | 78 0.35
Average:
88 | 78 0.22
Scattered Clouds
Actual:
89 | 78 0.00
Average:
88 | 79 0.13
Thunderstorm
Actual:
88 | 78 0.54
Average:
88 | 78 0.20
Scattered Clouds
Actual:
89 | 82 0.00
Average:
88 | 79 0.07
Rain
Actual:
89 | 82 0.05
Average:
88 | 79 0.13
Partly Cloudy
Actual:
90 | 82 0.00
Average:
88 | 78 0.16
Scattered Clouds
Actual:
89 | 82 0.00
Average:
88 | 79 0.17
Scattered Clouds
Actual:
91 | 82 0.00
Average:
88 | 78 0.07
Scattered Clouds
Actual:
91 | 80 0.00
Average:
88 | 78 0.11
Partly Cloudy
Actual:
91 | 81 0.00
Average:
88 | 79 0.14
Thunderstorm
Actual:
91 | 79 0.10
Average:
88 | 78 0.11
Thunderstorm
Actual:
88 | 78 0.59
Average:
88 | 78 0.20
Thunderstorm
Actual:
90 | 78 0.14
Average:
88 | 77 0.24
Thunderstorm
Actual:
88 | 82 0.00
Average:
87 | 77 0.20
Thunderstorm
Actual:
86 | 75 0.46
Average:
87 | 78 0.09
Thunderstorm
Actual:
91 | 77 0.13
Average:
88 | 78 0.25
Thunderstorm
Actual:
90 | 82 0.00
Average:
88 | 78 0.11
Thunderstorm
Actual:
90 | 77 0.00
Average:
87 | 78 0.30
Thunderstorm
Actual:
91 | 73 0.50
Average:
88 | 79 0.11
Thunderstorm
Actual:
87 | 73 0.61
Average:
88 | 78 0.17
Thunderstorm
Actual:
87 | 77 0.13
Average:
87 | 78 0.17
Thunderstorm
Actual:
89 | 78 0.12
Average:
88 | 78 0.13
Thunderstorm
Actual:
84 | 79 0.02
Average:
87 | 77 0.19
Thunderstorm
Actual:
86 | 80 0.00
Average:
87 | 77 0.30
Thunderstorm
Actual:
88 | 77 0.08
Average:
87 | 77 0.26
Funnel Cloud
Actual:
88 | 77 0.75
Average:
87 | 77 0.36
Thunderstorm
Actual:
89 | 79 0.04
Average:
87 | 78 0.08
Partly Cloudy
Actual:
90 | 78 0.00
Average:
86 | 78 0.16
Partly Cloudy
Actual:
88 | 80 0.00
Average:
86 | 77 0.23
 

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
Sep high avg low high avg low high avg low high avg low high avg low high avg high sum  
1 90 84 78 77 74 72 89 78 61 30.12 30.06 30.03 10 5 0 14 6 20 4.27 Fog , Rain
2 89 83 78 76 74 70 85 76 63 30.05 30.01 29.97 10 9 2 12 5 18 0.35  
3 89 83 78 75 74 73 85 74 65 30.05 30.00 29.97 10 10 10 9 3 - 0.00  
4 88 83 78 77 74 72 85 74 63 30.05 30.00 29.96 10 8 0 15 6 17 0.54 Rain , Thunderstorm
5 89 86 82 76 74 72 74 69 63 30.01 29.98 29.95 10 10 10 12 7 - 0.00  
6 89 85 82 77 74 72 79 70 63 30.05 30.00 29.97 10 9 3 10 6 - 0.05 Rain
7 90 86 82 75 73 71 74 66 59 30.02 29.97 29.93 10 10 10 9 6 - 0.00  
8 89 86 82 75 73 70 74 66 59 30.01 29.95 29.91 10 10 10 10 7 - 0.00  
9 91 86 82 74 73 72 74 67 59 30.02 29.98 29.95 10 10 10 12 7 - 0.00  
10 91 85 80 75 73 71 79 68 55 30.05 30.01 29.97 10 10 10 13 4 17 0.00  
11 91 86 81 76 74 72 79 68 57 30.07 30.03 29.99 10 10 10 17 5 22 0.00  
12 91 85 79 77 74 71 85 68 53 30.04 29.99 29.95 10 10 10 17 10 24 0.10 Rain , Thunderstorm
13 88 83 78 77 75 72 89 79 65 30.03 29.98 29.93 10 8 0 21 11 28 0.59 Rain , Thunderstorm
14 90 84 78 77 75 72 88 76 63 30.02 29.97 29.93 10 10 7 14 7 16 0.14 Rain , Thunderstorm
15 88 84 82 75 74 73 79 72 65 30.03 29.98 29.95 10 10 10 16 9 - 0.00 Rain , Thunderstorm
16 86 80 75 75 73 70 83 76 67 30.02 29.98 29.94 10 9 2 20 11 28 0.46 Rain , Thunderstorm
17 91 84 77 77 74 72 89 78 63 30.01 29.97 29.92 10 10 10 17 8 25 0.13 Rain , Thunderstorm
18 90 86 82 78 75 70 79 71 65 30.01 29.97 29.92 10 10 10 16 10 25 0.00 Thunderstorm
19 90 83 77 76 73 68 79 69 63 30.05 29.99 29.92 10 10 10 22 7 33 0.00 Thunderstorm
20 91 82 73 75 74 68 90 72 55 30.03 29.98 29.92 10 9 1 17 5 29 0.50 Rain , Thunderstorm
21 87 80 73 75 72 69 85 75 66 30.02 29.95 29.89 10 9 2 16 10 28 0.61 Thunderstorm
22 87 82 77 75 74 71 89 79 59 30.02 29.96 29.91 10 10 9 15 6 - 0.13 Rain , Thunderstorm
23 89 83 78 77 74 72 90 78 63 30.06 30.02 29.99 10 10 5 10 3 - 0.12 Rain , Thunderstorm
24 84 82 79 75 72 66 82 73 56 30.06 30.02 29.97 10 10 10 9 5 - 0.02 Rain , Thunderstorm
25 86 83 80 75 74 71 81 74 61 30.07 30.02 29.98 10 10 10 10 6 - 0.00 Thunderstorm
26 88 82 77 77 75 67 85 77 65 30.08 30.04 29.99 10 10 10 10 5 - 0.08 Thunderstorm
27 88 82 77 78 75 68 89 79 66 30.08 30.03 29.99 10 9 1 10 5 23 0.75 Rain , Thunderstorm , Tornado
28 89 84 79 77 74 72 85 76 59 30.04 29.98 29.92 10 10 7 13 4 - 0.04 Rain , Thunderstorm
29 90 83 78 76 74 72 89 75 61 29.98 29.91 29.85 10 10 10 13 4 - 0.00  
30 88 84 80 74 73 72 81 72 61 29.89 29.84 29.78 10 10 10 14 7 - 0.00