Weather History for Hilo, HI

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Month of August, 2013

  Max Avg Min Sum
Temperature  
Max Temperature 86 °F 83 °F 80 °F
Mean Temperature 79 °F 76 °F 74 °F
Min Temperature 74 °F 70 °F 66 °F
Degree Days  
Heating Degree Days (base 65) 0 0 0 0
Cooling Degree Days (base 65) 14 11 9 355
Growing Degree Days (base 50) 28 26 24 806
Dew Point  
Dew Point 74 °F 67 °F 48 °F
Precipitation  
Precipitation 1.46 in 0.10 in 0.00 in 2.99 in
Snowdepth 0.0 in 0.0 in 0.0 in -
Wind  
Wind 18 mph 6 mph 0 mph
Gust Wind 25 mph 21 mph 17 mph
Sea Level Pressure  
Sea Level Pressure 31.38 in 30.01 in 28.97 in

Monthly Weather History Graph

Monthly Weather History Graph

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Date:

Astronomy

Aug. 17, 2013 Rise Set
Actual Time 6:01 AM HST 6:46 PM HST
Civil Twilight 5:38 AM HST 7:09 PM HST
Nautical Twilight 5:11 AM HST 7:36 PM HST
Astronomical Twilight 4:44 AM HST 8:03 PM HST
Moon 3:59 PM HST (8/17) 2:30 AM HST (8/17)
Length of Visible Light 13h 31m
Length of Day
12h 45m
Waxing Gibbous, 86% of the Moon is Illuminated
Aug 17
Waxing Gibbous
Aug 20
Full
Aug 27
Last Quarter
Sep 5
New
Sep 12
First Quarter

Weather History Calendar

Precipitation Actual month total 2.99 Normal Month Total: 9.85
Sunday Monday Tuesday Wednesday Thursday Friday Saturday
 
Rain
Actual:
86 | 69 0.12
Average:
83 | 70 0.37
Partly Cloudy
Actual:
84 | 69 0.10
Average:
83 | 70 0.37
Rain
Actual:
85 | 69 0.03
Average:
83 | 70 0.36
Rain
Actual:
82 | 70 0.35
Average:
83 | 70 0.35
Rain
Actual:
83 | 69 0.24
Average:
83 | 70 0.33
Rain
Actual:
81 | 71 0.03
Average:
83 | 70 0.33
Rain
Actual:
84 | 69 0.00
Average:
83 | 70 0.32
Rain
Actual:
82 | 70 0.00
Average:
83 | 70 0.32
Rain
Actual:
81 | 68 0.03
Average:
83 | 70 0.33
Rain
Actual:
84 | 74 1.46
Average:
83 | 70 0.33
Rain
Actual:
84 | 74 0.12
Average:
83 | 70 0.33
Rain
Actual:
82 | 72 0.07
Average:
83 | 70 0.32
Rain
Actual:
80 | 71 0.10
Average:
83 | 70 0.32
Partly Cloudy
Actual:
82 | 68 0.02
Average:
83 | 70 0.32
Rain
Actual:
82 | 68 0.00
Average:
83 | 70 0.32
Rain
Actual:
80 | 68 0.00
Average:
83 | 70 0.32
Partly Cloudy
Actual:
82 | 72 0.00
Average:
83 | 70 0.32
Partly Cloudy
Actual:
84 | 68 0.00
Average:
83 | 70 0.32
Rain
Actual:
82 | 68 0.00
Average:
83 | 70 0.31
Rain
Actual:
83 | 71 0.09
Average:
83 | 70 0.31
Partly Cloudy
Actual:
84 | 70 0.01
Average:
83 | 70 0.32
Rain
Actual:
84 | 73 0.05
Average:
83 | 70 0.30
Rain
Actual:
82 | 72 0.00
Average:
83 | 70 0.30
Partly Cloudy
Actual:
83 | 69 0.00
Average:
83 | 70 0.30
Rain
Actual:
82 | 70 0.00
Average:
83 | 70 0.30
Rain
Actual:
84 | 72 0.00
Average:
83 | 70 0.30
Rain
Actual:
84 | 68 0.00
Average:
83 | 70 0.28
Rain
Actual:
83 | 69 0.00
Average:
83 | 70 0.29
Rain
Actual:
84 | 70 0.00
Average:
83 | 70 0.28
Rain
Actual:
83 | 66 T
Average:
83 | 70 0.29
Rain
Actual:
82 | 68 0.17
Average:
83 | 70 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

2013 Temp. (°F) Dew Point (°F) Humidity (%) Sea Level Press. (in) Visibility (mi) Wind (mph) Precip. (in) Events
Aug high avg low high avg low high avg low high avg low high avg low high avg high sum  
1 86 78 69 68 66 63 90 69 48 30.12 30.08 30.03 10 10 7 12 5 17 0.12 Rain
2 84 77 69 68 66 63 90 73 55 30.07 30.04 30.00 10 10 10 16 7 20 0.10  
3 85 77 69 69 67 64 90 74 58 30.06 30.03 29.99 10 9 2 13 6 16 0.03 Rain
4 82 76 70 72 69 66 90 80 69 30.05 30.01 29.97 10 8 2 14 5 15 0.35 Rain
5 83 76 69 72 68 66 93 78 62 30.06 30.02 29.97 10 8 2 13 5 16 0.24 Rain
6 81 76 71 70 67 65 87 75 62 30.05 30.02 29.99 10 10 10 9 6 10 0.03 Rain
7 84 77 69 68 66 62 97 73 48 30.11 30.03 29.99 10 10 10 13 7 14 0.00 Rain
8 82 76 70 70 66 64 90 73 55 30.08 30.04 30.00 10 10 3 8 6 - 0.00 Rain
9 81 75 68 74 69 57 88 75 62 30.07 30.00 29.94 10 8 2 13 7 - 0.03 Rain
10 84 79 74 73 72 71 94 82 69 30.06 30.00 29.97 10 9 2 15 8 - 1.46 Rain
11 84 79 74 72 70 65 93 76 58 30.07 30.03 30.00 10 10 6 14 6 - 0.12 Rain
12 82 77 72 71 69 66 93 78 62 30.08 30.04 30.00 10 10 10 10 6 - 0.07 Rain
13 80 76 71 70 68 64 87 73 58 30.06 30.01 29.92 10 10 7 8 5 - 0.10 Rain
14 82 75 68 71 68 63 90 74 58 30.04 30.00 29.96 10 10 7 12 5 - 0.02  
15 82 75 68 70 66 60 90 73 55 30.05 30.01 29.97 10 10 8 12 7 - 0.00 Rain
16 80 74 68 72 69 60 97 82 66 30.06 30.01 29.98 10 8 2 13 7 - 0.00 Rain
17 82 77 72 70 66 62 90 69 47 30.06 30.02 29.96 10 10 10 12 5 - 0.00  
18 84 76 68 68 62 58 79 61 43 30.05 29.97 28.97 10 10 10 12 6 - 0.00  
19 82 75 68 72 64 48 70 59 47 30.02 29.99 29.95 10 9 2 14 7 - 0.00 Rain
20 83 77 71 70 68 62 93 71 48 30.01 29.97 29.93 10 8 2 10 4 - 0.09 Rain
21 84 77 70 72 67 63 90 73 55 29.99 29.95 29.91 10 10 10 13 5 - 0.01  
22 84 79 73 70 68 65 87 69 51 30.00 29.96 29.92 10 10 10 12 6 - 0.05 Rain
23 82 77 72 70 66 64 90 74 58 31.38 30.02 29.94 10 10 10 10 4 10 0.00 Rain
24 83 76 69 70 64 57 79 69 58 30.05 30.01 29.97 10 10 10 15 7 15 0.00  
25 82 76 70 72 68 58 93 77 61 30.11 30.05 30.00 10 10 10 16 7 16 0.00 Rain
26 84 78 72 69 66 62 87 69 51 30.13 30.09 30.05 10 10 10 14 7 14 0.00 Rain
27 84 76 68 68 64 59 73 62 51 30.11 30.06 29.99 10 10 10 13 6 13 0.00 Rain
28 83 76 69 70 65 57 73 67 60 30.01 29.96 29.91 10 10 10 16 8 16 0.00 Rain
29 84 77 70 69 67 63 93 74 55 29.99 29.94 29.90 10 10 10 14 6 18 0.00 Rain
30 83 75 66 71 66 60 81 68 55 30.05 29.99 29.95 10 10 10 18 8 25 T Rain
31 82 75 68 69 67 63 100 78 55 30.07 30.03 29.97 10 10 2 14 7 18 0.17 Rain