Weather History for Phoenix, AZ

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Month of December, 2012

  Max Avg Min Sum
Temperature  
Max Temperature 82 °F 67 °F 56 °F
Mean Temperature 68 °F 57 °F 49 °F
Min Temperature 55 °F 47 °F 37 °F
Degree Days  
Heating Degree Days (base 65) 16 8 0 254
Cooling Degree Days (base 65) 3 0 0 5
Growing Degree Days (base 50) 18 7 0 208
Dew Point  
Dew Point 54 °F 32 °F 4 °F
Precipitation  
Precipitation 0.43 in 0.03 in 0.00 in 0.87 in
Snowdepth 0.0 in 0.0 in 0.0 in -
Wind  
Wind 28 mph 5 mph 0 mph
Gust Wind 33 mph 23 mph 16 mph
Sea Level Pressure  
Sea Level Pressure 30.33 in 29.99 in 29.60 in

Monthly Weather History Graph

Monthly Weather History Graph

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Date:

Astronomy

Dec. 28, 2012 Rise Set
Actual Time 7:31 AM MST 5:28 PM MST
Civil Twilight 7:03 AM MST 5:56 PM MST
Nautical Twilight 6:32 AM MST 6:27 PM MST
Astronomical Twilight 6:02 AM MST 6:57 PM MST
Moon 6:05 PM MST (12/28) 7:30 AM MST (12/28)
Length of Visible Light 10h 52m
Length of Day
9h 57m
Full, 100% of the Moon is Illuminated
Dec 28
Full
Jan 4
Last Quarter
Jan 11
New
Jan 18
First Quarter
Jan 26
Full

Weather History Calendar

Precipitation Actual month total 0.87 Normal Month Total: 0.88
Sunday Monday Tuesday Wednesday Thursday Friday Saturday
 
Partly Cloudy
Actual:
76 | 54 0.00
Average:
69 | 47 0.03
Scattered Clouds
Actual:
77 | 53 0.00
Average:
68 | 47 0.02
Partly Cloudy
Actual:
77 | 55 0.00
Average:
68 | 47 0.03
Partly Cloudy
Actual:
78 | 54 0.00
Average:
68 | 46 0.03
Partly Cloudy
Actual:
82 | 54 0.00
Average:
68 | 46 0.03
Partly Cloudy
Actual:
77 | 53 0.00
Average:
67 | 46 0.03
Scattered Clouds
Actual:
75 | 53 0.00
Average:
67 | 46 0.02
Scattered Clouds
Actual:
73 | 51 0.00
Average:
67 | 45 0.03
Partly Cloudy
Actual:
70 | 47 0.00
Average:
67 | 45 0.03
Scattered Clouds
Actual:
65 | 45 0.00
Average:
66 | 45 0.03
Scattered Clouds
Actual:
69 | 41 0.00
Average:
66 | 45 0.03
Scattered Clouds
Actual:
72 | 44 0.00
Average:
66 | 45 0.03
Rain
Actual:
72 | 49 0.10
Average:
66 | 45 0.03
Thunderstorm
Actual:
61 | 52 0.43
Average:
66 | 45 0.03
Rain
Actual:
58 | 49 0.25
Average:
66 | 44 0.03
Partly Cloudy
Actual:
59 | 46 0.00
Average:
65 | 44 0.03
Scattered Clouds
Actual:
63 | 45 0.00
Average:
65 | 44 0.03
Rain
Actual:
62 | 44 0.07
Average:
65 | 44 0.03
Rain
Actual:
57 | 43 0.01
Average:
65 | 44 0.03
Partly Cloudy
Actual:
63 | 39 0.00
Average:
65 | 44 0.02
Partly Cloudy
Actual:
70 | 45 0.00
Average:
65 | 44 0.03
Partly Cloudy
Actual:
71 | 50 0.00
Average:
65 | 44 0.03
Partly Cloudy
Actual:
68 | 43 0.00
Average:
65 | 44 0.02
Partly Cloudy
Actual:
64 | 47 0.00
Average:
65 | 44 0.03
Partly Cloudy
Actual:
57 | 45 0.00
Average:
65 | 44 0.03
Partly Cloudy
Actual:
62 | 43 0.00
Average:
65 | 44 0.02
Partly Cloudy
Actual:
58 | 41 T
Average:
65 | 44 0.03
Clear
Actual:
59 | 38 0.00
Average:
65 | 44 0.03
Partly Cloudy
Actual:
65 | 37 0.00
Average:
65 | 44 0.03
Rain
Actual:
56 | 45 0.01
Average:
65 | 44 0.03
Partly Cloudy
Actual:
56 | 41 0.00
Average:
66 | 44 0.03
 

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
Dec high avg low high avg low high avg low high avg low high avg low high avg high sum  
1 76 65 54 45 43 40 64 47 29 30.09 30.02 29.97 10 10 10 10 4 10 0.00  
2 77 65 53 43 41 38 59 43 27 30.07 30.00 29.95 10 10 10 10 3 12 0.00  
3 77 66 55 45 42 39 55 43 31 30.11 30.05 29.98 10 10 10 14 4 15 0.00  
4 78 66 54 44 42 39 66 46 26 30.22 30.13 30.08 10 10 10 8 2 12 0.00  
5 82 68 54 41 35 29 53 34 15 30.08 29.99 29.91 10 10 10 9 2 10 0.00  
6 77 65 53 39 35 33 48 35 21 29.91 29.85 29.77 10 10 10 8 4 14 0.00  
7 75 64 53 40 37 35 55 41 27 29.91 29.86 29.82 10 10 10 10 3 13 0.00  
8 73 62 51 41 37 33 63 44 25 29.94 29.88 29.83 10 10 10 10 4 13 0.00  
9 70 59 47 35 27 9 58 35 12 30.11 29.97 29.90 10 10 10 20 7 25 0.00  
10 65 55 45 17 9 4 27 18 9 30.15 30.07 29.99 10 10 10 14 4 17 0.00  
11 69 55 41 22 17 13 36 25 13 30.09 30.01 29.96 10 10 10 9 4 14 0.00  
12 72 58 44 22 18 15 38 25 12 30.01 29.94 29.85 10 10 10 10 5 13 0.00  
13 72 61 49 54 33 20 89 53 16 29.90 29.81 29.66 10 10 9 23 8 31 0.10 Rain
14 61 57 52 54 44 35 86 63 39 29.99 29.84 29.60 10 10 3 18 8 26 0.43 Rain , Thunderstorm
15 58 54 49 52 47 45 94 83 72 30.00 29.95 29.89 10 9 5 18 7 22 0.25 Rain
16 59 53 46 46 40 35 93 68 43 30.16 30.09 30.01 10 10 10 9 3 13 0.00  
17 63 54 45 42 39 35 83 60 36 30.17 30.09 29.98 10 10 10 9 3 12 0.00  
18 62 53 44 49 42 40 86 68 49 29.96 29.83 29.70 10 10 7 20 4 23 0.07 Rain
19 57 50 43 48 31 26 77 55 32 30.32 30.08 29.73 10 10 9 28 11 33 0.01 Rain
20 63 51 39 32 19 10 70 43 15 30.33 30.23 30.12 10 10 10 16 8 21 0.00  
21 70 58 45 33 20 12 43 27 11 30.12 30.07 30.01 10 10 10 15 5 23 0.00  
22 71 61 50 38 29 24 50 35 19 30.09 30.04 30.01 10 10 10 10 4 15 0.00  
23 68 56 43 38 35 31 76 52 28 30.15 30.06 29.99 10 10 10 8 3 10 0.00  
24 64 56 47 41 38 34 71 53 34 30.04 29.95 29.85 10 10 10 17 5 20 0.00  
25 57 51 45 40 21 12 68 43 18 30.13 30.03 29.95 10 10 10 15 5 20 0.00  
26 62 53 43 30 26 21 58 41 23 29.99 29.90 29.81 10 10 10 9 3 12 0.00  
27 58 50 41 34 30 26 63 48 33 30.03 29.91 29.85 10 10 10 18 5 23 T  
28 59 49 38 34 31 26 79 55 30 30.18 30.11 30.04 10 10 10 10 3 12 0.00  
29 65 51 37 29 26 21 70 45 19 30.10 30.01 29.92 10 10 10 12 4 16 0.00  
30 56 51 45 41 31 25 82 56 30 29.95 29.89 29.82 10 10 10 15 5 18 0.01 Rain
31 56 49 41 40 31 20 89 59 28 30.20 30.09 29.95 10 10 10 14 5 18 0.00