Keahole Point, HI

6:16 AM HST on February 25, 2018 (GMT -1000)
Kona International At Keahole

Weather History for PHKO - September, 2011

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Month of September, 2011

  Max Avg Min Sum
Temperature  
Max Temperature 88 °F 84 °F 82 °F
Mean Temperature 82 °F 79 °F 78 °F
Min Temperature 77 °F 74 °F 71 °F
Degree Days  
Heating Degree Days (base 65) 0 0 0 0
Cooling Degree Days (base 65) 18 14 12 419
Growing Degree Days (base 50) 32 29 28 868
Dew Point  
Dew Point 72 °F 66 °F 56 °F
Precipitation  
Precipitation 0.14 in 0.01 in 0.00 in 0.32 in
Snowdepth - - - -
Wind  
Wind 17 mph 7 mph 0 mph
Gust Wind 24 mph 21 mph 18 mph
Sea Level Pressure  
Sea Level Pressure 30.11 in 30.00 in 29.89 in

Monthly Weather History Graph

Monthly Weather History Graph

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Date:

Astronomy

Sep. 03, 2011 Rise Set
Actual Time 6:09 AM HST 6:37 PM HST
Civil Twilight 5:46 AM HST 6:59 PM HST
Nautical Twilight 5:20 AM HST 7:25 PM HST
Astronomical Twilight 4:54 AM HST 7:52 PM HST
Moon 11:59 AM HST (9/3) 11:16 PM HST (9/3)
Length of Visible Light 13h 12m
Length of Day
12h 28m
Waxing Crescent, 41% of the Moon is Illuminated
Sep 3
Waxing Crescent
Sep 4
First Quarter
Sep 11
Full
Sep 20
Last Quarter
Sep 27
New

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 84 80 75 70 67 62 76 65 58 30.07 30.03 30.00 10 10 10 12 5 - 0.00  
2 84 78 73 70 65 57 71 62 47 30.06 30.03 29.99 10 10 10 15 6 21 0.00  
3 82 78 73 68 64 58 76 61 52 30.03 30.00 29.96 10 10 6 14 6 21 0.06 Rain
4 84 78 71 70 66 60 78 65 49 30.04 29.99 29.95 10 10 10 15 8 - 0.01  
5 84 80 75 69 66 64 82 64 54 30.03 30.00 29.95 10 10 10 14 8 - 0.00  
6 82 78 75 69 67 64 74 66 56 30.03 29.99 29.94 10 10 10 10 7 - 0.00  
7 84 78 72 68 66 62 76 64 55 30.00 29.96 29.91 10 10 10 12 7 - 0.00  
8 84 78 73 70 66 60 78 67 58 30.05 30.00 29.95 10 10 10 14 7 - 0.00  
9 84 78 73 70 66 62 79 66 56 30.06 30.02 29.97 10 10 10 14 5 - 0.07 Rain
10 84 78 73 72 68 65 79 68 51 30.01 29.97 29.91 10 10 10 15 6 - 0.04 Rain
11 84 78 72 68 65 60 74 62 52 29.99 29.95 29.89 10 10 10 17 8 - 0.00  
12 84 78 73 69 65 61 76 62 54 30.03 29.98 29.94 10 10 10 14 8 - 0.14  
13 84 78 73 70 66 61 71 64 54 30.09 30.04 29.99 10 10 10 13 6 - 0.00  
14 84 80 75 70 67 63 76 65 54 30.10 30.06 30.02 10 10 10 13 6 - 0.00  
15 84 80 75 71 69 64 74 67 59 30.11 30.07 30.03 10 10 10 13 6 - 0.00  
16 88 82 75 72 65 61 74 59 42 30.08 30.05 30.00 10 10 10 14 9 24 0.00  
17 84 80 75 68 64 60 65 58 52 30.07 30.04 29.99 10 10 10 13 9 - 0.00  
18 84 78 73 70 66 61 76 64 56 30.05 30.01 29.96 10 10 10 10 5 - 0.00  
19 84 78 73 68 65 61 68 60 53 30.02 29.99 29.94 10 10 10 10 5 - 0.00  
20 86 80 75 69 65 62 67 60 53 30.02 29.99 29.95 10 10 10 14 7 - 0.00  
21 84 78 73 67 64 60 69 61 52 30.01 29.98 29.93 10 10 10 10 7 - 0.00  
22 82 78 75 68 65 61 71 64 54 30.02 29.98 29.95 10 10 10 12 7 - 0.00  
23 84 80 75 69 66 62 74 64 55 30.06 30.02 29.97 10 10 10 15 8 - 0.00  
24 84 78 72 68 65 61 76 63 49 30.06 30.01 29.96 10 10 10 14 7 18 0.00  
25 82 78 73 65 62 58 66 57 47 30.02 29.98 29.94 10 10 10 9 5 - 0.00 Rain
26 84 78 71 65 60 56 61 53 42 30.03 29.98 29.94 10 10 10 12 5 - 0.00  
27 84 80 75 68 65 62 69 60 51 30.06 30.00 29.95 10 10 10 13 6 - 0.00  
28 86 82 77 72 67 63 74 64 55 30.06 30.02 29.99 10 10 10 13 7 - 0.00  
29 86 80 75 68 66 64 71 61 48 30.02 29.98 29.94 10 10 10 12 7 - 0.00  
30 86 80 73 70 67 61 74 65 57 30.01 29.98 29.93 10 10 10 15 7 - 0.00 Rain