Weather History for Hilton Head Island, SC

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Month of September, 2014

  Max Avg Min Sum
Temperature  
Max Temperature 89 °F 82 °F 66 °F
Mean Temperature 82 °F 77 °F 63 °F
Min Temperature 77 °F 71 °F 60 °F
Degree Days  
Heating Degree Days (base 65) 2 0 0 2
Cooling Degree Days (base 65) 17 12 0 353
Growing Degree Days (base 50) 32 27 13 798
Dew Point  
Dew Point 81 °F 72 °F 59 °F
Precipitation  
Precipitation 0.51 in 0.06 in 0.00 in 1.86 in
Snowdepth - - - -
Wind  
Wind 21 mph 5 mph 0 mph
Gust Wind 34 mph 19 mph 16 mph
Sea Level Pressure  
Sea Level Pressure 30.20 in 30.05 in 29.85 in

Monthly Weather History Graph

Monthly Weather History Graph

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Date:

Astronomy

Sep. 17, 2014 Rise Set
Actual Time 7:07 AM EDT 7:26 PM EDT
Civil Twilight 6:43 AM EDT 7:50 PM EDT
Nautical Twilight 6:14 AM EDT 8:19 PM EDT
Astronomical Twilight 5:45 AM EDT 8:48 PM EDT
Moon 1:21 AM EDT (9/17) 3:20 PM EDT (9/17)
Length of Visible Light 13h 07m
Length of Day
12h 18m
Waning Crescent, 35% of the Moon is Illuminated
Sep 17
Waning Crescent
Sep 24
New
Oct 1
First Quarter
Oct 8
Full
Oct 15
Last Quarter

Weather History Calendar

Precipitation Actual month total 1.86 Average Month Total: 5.32
Sunday Monday Tuesday Wednesday Thursday Friday Saturday
 
Scattered Clouds
Actual:
87 | 77 0.00
Average:
85 | 70 0.48
Thunderstorm
Actual:
89 | 75 0.00
Average:
85 | 70 0.23
Scattered Clouds
Actual:
87 | 75 0.00
Average:
86 | 70 0.18
Scattered Clouds
Actual:
87 | 75 0.01
Average:
86 | 70 0.17
Thunderstorm
Actual:
82 | 77 0.05
Average:
85 | 70 0.51
Thunderstorm
Actual:
86 | 75 0.22
Average:
85 | 69 0.24
Thunderstorm
Actual:
84 | 75 0.51
Average:
85 | 69 0.11
Thunderstorm
Actual:
82 | 73 0.28
Average:
85 | 68 0.19
Partly Cloudy
Actual:
80 | 73 0.00
Average:
85 | 69 0.20
Partly Cloudy
Actual:
84 | 73 0.00
Average:
85 | 70 0.15
Scattered Clouds
Actual:
87 | 73 0.00
Average:
86 | 69 0.14
Scattered Clouds
Actual:
89 | 75 0.00
Average:
85 | 68 0.09
Thunderstorm
Actual:
89 | 75 0.00
Average:
84 | 68 0.12
Thunderstorm
Actual:
84 | 77 0.00
Average:
86 | 68 0.15
Thunderstorm
Actual:
80 | 73 0.25
Average:
85 | 68 0.00
Thunderstorm
Actual:
84 | 75 0.09
Average:
85 | 69 0.07
Thunderstorm
Actual:
84 | 73 0.05
Average:
85 | 68 0.12
Thunderstorm
Actual:
84 | 69 0.00
Average:
85 | 68 0.35
Thunderstorm
Actual:
82 | 69 0.36
Average:
84 | 67 0.16
Rain
Actual:
75 | 71 0.04
Average:
84 | 67 0.18
Clear
Actual:
87 | 66 0.00
Average:
84 | 68 0.11
Scattered Clouds
Actual:
86 | 69 0.00
Average:
84 | 67 0.22
Rain
Actual:
71 | 62 0.00
Average:
83 | 66 0.02
Rain
Actual:
66 | 60 0.00
Average:
83 | 64 0.05
Overcast
Actual:
75 | 64 0.00
Average:
82 | 65 0.13
Overcast
Actual:
75 | 69 0.00
Average:
82 | 65 0.21
Overcast
Actual:
78 | 68 0.00
Average:
83 | 66 0.14
Overcast
Actual:
78 | 71 0.00
Average:
81 | 64 0.23
Rain
Actual:
75 | 69 0.00
Average:
81 | 64 0.13
Partly Cloudy
Actual:
80 | 66 0.00
Average:
80 | 63 0.24
 

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

2014 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 82 77 79 76 73 94 84 62 30.14 30.10 30.06 10 10 10 8 3 - 0.00  
2 89 82 75 81 76 73 100 88 59 30.12 30.07 30.02 10 9 5 12 3 - 0.00 Thunderstorm
3 87 81 75 77 75 72 100 86 66 30.12 30.07 30.03 10 8 3 6 1 - 0.00  
4 87 81 75 75 74 72 100 81 62 30.17 30.12 30.09 10 10 4 8 3 - 0.01  
5 82 80 77 79 75 73 100 87 74 30.16 30.11 30.07 10 9 2 8 3 - 0.05 Rain , Thunderstorm
6 86 80 75 77 75 73 100 91 70 30.07 30.02 29.95 10 9 2 9 3 17 0.22 Rain , Thunderstorm
7 84 80 75 79 75 73 100 93 74 30.01 29.98 29.94 10 8 2 8 3 - 0.51 Rain , Thunderstorm
8 82 78 73 75 75 72 100 96 79 30.08 30.03 29.98 10 8 3 7 4 - 0.28 Rain , Thunderstorm
9 80 76 73 75 73 70 100 93 70 30.13 30.08 30.05 10 9 5 7 1 - 0.00  
10 84 78 73 75 73 70 94 87 70 30.12 30.06 30.03 10 10 5 9 4 - 0.00  
11 87 80 73 79 74 68 100 89 58 30.09 30.04 29.99 10 10 9 7 1 - 0.00  
12 89 82 75 77 75 70 100 83 58 30.07 30.03 29.99 10 10 10 9 1 - 0.00  
13 89 82 75 79 76 75 100 84 62 30.13 30.06 30.02 10 10 10 7 3 - 0.00 Thunderstorm
14 84 80 77 77 75 73 89 85 79 30.19 30.14 30.09 10 10 10 7 3 - 0.00 Thunderstorm
15 80 76 73 79 75 73 100 94 79 30.20 30.15 30.10 10 6 2 10 3 21 0.25 Rain , Thunderstorm
16 84 80 75 79 75 72 100 96 70 30.12 30.03 29.95 10 5 1 7 1 - 0.09 Rain , Thunderstorm
17 84 78 73 75 74 70 100 94 66 29.95 29.92 29.86 10 8 4 6 2 - 0.05 Rain , Thunderstorm
18 84 76 69 77 72 70 100 93 70 29.99 29.94 29.89 10 9 6 7 2 - 0.00 Rain , Thunderstorm
19 82 76 69 73 71 68 100 88 69 30.09 30.04 29.98 10 9 2 15 6 31 0.36 Rain , Thunderstorm
20 75 73 71 72 68 64 100 84 73 30.09 30.00 29.94 10 10 3 15 10 25 0.04 Rain
21 87 76 66 72 66 59 94 74 40 30.02 29.96 29.92 10 10 10 9 5 16 0.00  
22 86 78 69 70 66 63 88 76 55 30.11 30.03 29.97 10 10 10 17 7 34 0.00  
23 71 66 62 66 63 61 94 84 69 30.18 30.12 30.03 10 10 6 21 11 29 0.00 Rain
24 66 63 60 63 61 59 100 94 83 30.19 30.16 30.13 10 9 5 18 13 25 0.00 Rain
25 75 70 64 72 67 63 100 94 83 30.18 30.14 30.09 10 9 2 10 8 - 0.00  
26 75 72 69 72 69 66 100 90 78 30.13 30.10 30.06 10 10 10 15 10 17 0.00  
27 78 73 68 72 69 66 100 88 78 30.12 30.10 30.06 10 10 5 14 10 18 0.00  
28 78 74 71 73 71 70 100 91 78 30.11 30.07 30.02 10 10 7 9 7 - 0.00  
29 75 72 69 73 71 66 100 96 88 30.08 29.96 29.91 10 9 5 10 7 20 0.00 Rain
30 80 73 66 70 66 64 100 87 61 29.93 29.89 29.85 10 10 7 10 7 18 0.00