Weather History for Hilo, HI

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Month of December, 2013

  Max Avg Min Sum
Temperature  
Max Temperature 84 °F 80 °F 77 °F
Mean Temperature 77 °F 73 °F 70 °F
Min Temperature 70 °F 65 °F 62 °F
Degree Days  
Heating Degree Days (base 65) 0 0 0 0
Cooling Degree Days (base 65) 12 8 5 247
Growing Degree Days (base 50) 26 22 20 684
Dew Point  
Dew Point 75 °F 67 °F 52 °F
Precipitation  
Precipitation 7.51 in 0.69 in 0.00 in 19.43 in
Snowdepth 0.0 in 0.0 in 0.0 in -
Wind  
Wind 23 mph 7 mph 0 mph
Gust Wind 29 mph 20 mph 16 mph
Sea Level Pressure  
Sea Level Pressure 30.11 in 29.99 in 29.85 in

Monthly Weather History Graph

Monthly Weather History Graph

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Date:

Astronomy

Dec. 07, 2013 Rise Set
Actual Time 6:42 AM HST 5:41 PM HST
Civil Twilight 6:18 AM HST 6:05 PM HST
Nautical Twilight 5:51 AM HST 6:32 PM HST
Astronomical Twilight 5:24 AM HST 6:59 PM HST
Moon 11:02 AM HST (12/7) 11:03 PM HST (12/7)
Length of Visible Light 11h 46m
Length of Day
10h 58m
Waxing Crescent, 31% of the Moon is Illuminated
Dec 7
Waxing Crescent
Dec 9
First Quarter
Dec 16
Full
Dec 25
Last Quarter
Jan 1
New

Weather History Calendar

Precipitation Actual month total 19.43 Normal Month Total: 11.57
Sunday Monday Tuesday Wednesday Thursday Friday Saturday
Rain
Actual:
83 | 70 0.02
Average:
80 | 66 0.42
Rain
Actual:
77 | 66 0.45
Average:
80 | 66 0.42
Rain
Actual:
82 | 64 0.12
Average:
80 | 66 0.40
Partly Cloudy
Actual:
82 | 63 0.00
Average:
80 | 66 0.40
Rain
Actual:
80 | 66 0.10
Average:
80 | 66 0.40
Rain
Actual:
81 | 64 0.01
Average:
80 | 66 0.40
Rain
Actual:
82 | 65 0.08
Average:
80 | 66 0.40
Rain
Actual:
77 | 70 0.13
Average:
80 | 66 0.40
Rain
Actual:
84 | 69 0.04
Average:
80 | 66 0.40
Rain
Actual:
82 | 67 0.21
Average:
80 | 65 0.39
Partly Cloudy
Actual:
81 | 66 T
Average:
80 | 65 0.41
Partly Cloudy
Actual:
81 | 65 T
Average:
79 | 65 0.41
Rain
Actual:
79 | 65 0.23
Average:
79 | 65 0.41
Rain
Actual:
80 | 64 0.05
Average:
79 | 65 0.40
Partly Cloudy
Actual:
80 | 63 0.00
Average:
79 | 65 0.39
Partly Cloudy
Actual:
81 | 63 T
Average:
79 | 65 0.37
Partly Cloudy
Actual:
81 | 63 0.00
Average:
79 | 65 0.36
Rain
Actual:
80 | 63 0.02
Average:
79 | 65 0.37
Thunderstorm
Actual:
81 | 64 1.14
Average:
79 | 65 0.37
Rain
Actual:
81 | 65 0.52
Average:
79 | 65 0.37
Rain
Actual:
80 | 66 0.28
Average:
79 | 65 0.36
Rain
Actual:
82 | 62 0.04
Average:
79 | 65 0.36
Rain
Actual:
81 | 66 0.30
Average:
79 | 65 0.35
Rain
Actual:
81 | 64 0.33
Average:
79 | 65 0.35
Rain
Actual:
77 | 63 0.52
Average:
79 | 65 0.34
Rain
Actual:
79 | 64 0.14
Average:
79 | 65 0.33
Rain
Actual:
77 | 66 1.30
Average:
79 | 64 0.32
Rain
Actual:
79 | 66 2.64
Average:
79 | 64 0.32
Thunderstorm
Actual:
78 | 63 1.45
Average:
79 | 64 0.31
Thunderstorm
Actual:
77 | 67 7.51
Average:
79 | 64 0.32
Rain
Actual:
80 | 67 1.80
Average:
79 | 64 0.32
 

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
Dec high avg low high avg low high avg low high avg low high avg low high avg high sum  
1 83 77 70 71 69 66 97 78 58 30.03 29.99 29.94 10 10 7 18 7 23 0.02 Rain
2 77 72 66 72 69 65 100 87 74 30.04 29.99 29.93 10 8 2 13 5 16 0.45 Rain
3 82 73 64 69 66 62 100 81 62 30.01 29.97 29.90 10 9 2 13 7 16 0.12 Rain
4 82 73 63 66 62 55 100 79 57 30.01 29.97 29.91 10 10 10 14 7 18 0.00  
5 80 73 66 71 67 60 100 87 74 30.03 29.99 29.93 10 9 2 12 6 14 0.10 Rain
6 81 73 64 69 64 57 97 80 62 30.02 29.98 29.92 10 10 7 13 6 16 0.01 Rain
7 82 74 65 72 68 62 93 79 65 30.01 29.96 29.91 10 10 2 18 7 24 0.08 Rain
8 77 74 70 73 71 68 100 90 79 30.08 30.01 29.96 10 10 10 14 5 20 0.13 Rain
9 84 77 69 75 71 68 100 85 69 30.10 30.05 30.00 10 10 6 15 6 20 0.04 Rain
10 82 75 67 72 68 65 100 81 62 30.10 30.05 29.97 10 9 2 16 6 20 0.21 Rain
11 81 74 66 68 64 57 93 74 54 30.08 30.03 29.97 10 10 10 15 7 19 T  
12 81 73 65 70 65 57 93 81 68 30.11 30.04 29.97 10 10 10 16 8 21 T  
13 79 72 65 71 66 59 100 82 64 30.11 30.06 30.00 10 8 2 14 6 17 0.23 Rain
14 80 72 64 70 65 60 100 77 54 30.06 30.00 29.94 10 10 4 16 7 20 0.05 Rain
15 80 72 63 69 62 52 97 75 53 29.97 29.93 29.91 10 10 10 13 6 15 0.00  
16 81 72 63 70 65 55 93 78 62 30.00 29.95 29.90 10 10 10 15 7 19 T  
17 81 72 63 68 62 55 93 78 62 30.04 29.99 29.95 10 10 10 13 7 16 0.00  
18 80 72 63 66 61 53 93 75 57 30.06 30.02 29.98 10 10 10 15 7 22 0.02 Rain
19 81 73 64 70 64 56 100 81 62 30.10 30.04 30.00 10 8 1 23 7 28 1.14 Rain , Thunderstorm
20 81 73 65 71 68 64 100 87 74 30.08 30.03 29.97 10 9 2 15 6 19 0.52 Rain
21 80 73 66 69 67 62 100 84 67 30.02 30.00 29.94 10 9 2 13 6 17 0.28 Rain
22 82 72 62 70 64 54 100 77 54 30.01 29.97 29.89 10 10 4 22 7 29 0.04 Rain
23 81 74 66 70 67 64 100 81 62 30.07 30.02 29.97 10 10 2 16 5 20 0.30 Rain
24 81 73 64 70 67 63 100 81 62 30.08 30.04 29.99 10 9 2 14 6 17 0.33 Rain
25 77 70 63 72 68 60 100 90 79 30.07 30.00 29.96 10 9 2 15 7 19 0.52 Rain
26 79 72 64 71 67 61 100 85 69 30.02 29.97 29.92 10 10 6 16 8 22 0.14 Rain
27 77 72 66 72 69 63 100 91 81 29.99 29.92 29.87 10 6 1 16 7 21 1.30 Rain
28 79 73 66 73 70 66 100 87 74 29.98 29.91 29.85 10 7 2 14 5 17 2.64 Rain
29 78 71 63 73 70 62 100 91 82 29.98 29.93 29.88 10 9 1 18 7 24 1.45 Rain , Thunderstorm
30 77 72 67 72 70 67 100 91 82 30.02 29.95 29.89 10 4 0 22 9 26 7.51 Fog , Rain , Thunderstorm
31 80 74 67 71 70 67 100 87 74 30.02 29.96 29.91 10 7 1 17 5 22 1.80 Rain