Weather History for Flagstaff, AZ

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Month of December, 2011

  Max Avg Min Sum
Temperature  
Max Temperature 61 °F 39 °F 21 °F
Mean Temperature 41 °F 26 °F 14 °F
Min Temperature 28 °F 13 °F 0 °F
Degree Days  
Heating Degree Days (base 65) 51 39 24 1197
Cooling Degree Days (base 65) 0 0 0 0
Growing Degree Days (base 50) 0 0 0 0
Dew Point  
Dew Point 34 °F 16 °F -12 °F
Precipitation  
Precipitation 0.87 in 0.08 in 0.00 in 2.28 in
Snowdepth 19.0 in 7.0 in 0.0 in -
Wind  
Wind 29 mph 6 mph 0 mph
Gust Wind 39 mph 21 mph 16 mph
Sea Level Pressure  
Sea Level Pressure 30.52 in 30.14 in 29.59 in

Monthly Weather History Graph

Monthly Weather History Graph

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Date:

Astronomy

Dec. 19, 2011 Rise Set
Actual Time 7:30 AM MST 5:17 PM MST
Civil Twilight 7:01 AM MST 5:45 PM MST
Nautical Twilight 6:30 AM MST 6:17 PM MST
Astronomical Twilight 5:59 AM MST 6:48 PM MST
Moon 1:52 AM MST (12/19) 1:11 PM MST (12/19)
Length of Visible Light 10h 44m
Length of Day
9h 47m
Waning Crescent, 30% of the Moon is Illuminated
Dec 19
Waning Crescent
Dec 24
New
Dec 31
First Quarter
Jan 9
Full
Jan 16
Last Quarter

Weather History Calendar

Precipitation Actual month total 2.28 Normal Month Total: 1.87
Sunday Monday Tuesday Wednesday Thursday Friday Saturday
 
Snow
Actual:
36 | 19 0.42
Average:
45 | 19 0.05
Snow
Actual:
32 | 22 0.16
Average:
45 | 18 0.06
Snow
Actual:
29 | 6 0.23
Average:
44 | 18 0.05
Fog
Actual:
30 | 0 0.00
Average:
44 | 18 0.06
Snow
Actual:
21 | 7 0.01
Average:
44 | 18 0.06
Clear
Actual:
34 | 0 0.00
Average:
44 | 18 0.05
Clear
Actual:
40 | 2 0.00
Average:
43 | 17 0.06
Clear
Actual:
42 | 2 0.00
Average:
43 | 17 0.06
Clear
Actual:
40 | 2 0.00
Average:
43 | 17 0.06
Clear
Actual:
40 | 6 0.00
Average:
43 | 17 0.06
Clear
Actual:
40 | 7 0.00
Average:
43 | 17 0.05
Snow
Actual:
32 | 22 0.87
Average:
43 | 17 0.06
Snow
Actual:
33 | 26 0.41
Average:
42 | 17 0.06
Snow
Actual:
35 | 8 0.02
Average:
42 | 17 0.06
Scattered Clouds
Actual:
34 | 1 0.00
Average:
42 | 16 0.06
Partly Cloudy
Actual:
31 | 22 0.00
Average:
42 | 16 0.05
Partly Cloudy
Actual:
36 | 26 T
Average:
42 | 16 0.06
Snow
Actual:
38 | 27 0.16
Average:
42 | 16 0.06
Fog
Actual:
40 | 28 0.00
Average:
42 | 16 0.06
Fog
Actual:
38 | 15 0.00
Average:
42 | 16 0.06
Scattered Clouds
Actual:
41 | 9 0.00
Average:
42 | 16 0.06
Snow
Actual:
24 | 17 T
Average:
42 | 16 0.06
Snow
Actual:
31 | 17 T
Average:
42 | 16 0.07
Clear
Actual:
35 | 15 0.00
Average:
42 | 16 0.06
Clear
Actual:
44 | 6 0.00
Average:
42 | 16 0.07
Clear
Actual:
53 | 15 0.00
Average:
42 | 16 0.06
Clear
Actual:
52 | 8 0.00
Average:
42 | 16 0.07
Clear
Actual:
59 | 11 0.00
Average:
42 | 16 0.06
Clear
Actual:
61 | 19 0.00
Average:
42 | 17 0.07
Clear
Actual:
57 | 25 0.00
Average:
42 | 17 0.07
Clear
Actual:
56 | 22 0.00
Average:
42 | 17 0.07
 

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

2011 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 36 28 19 30 26 15 100 77 54 29.88 29.76 29.59 10 4 0 16 5 22 0.42 Fog , Snow
2 32 27 22 28 25 21 100 89 78 29.94 29.87 29.80 10 5 0 13 3 15 0.16 Fog , Snow
3 29 18 6 25 19 3 96 83 69 30.19 29.91 29.80 10 4 0 25 5 30 0.23 Fog , Snow
4 30 15 0 25 14 -3 100 84 68 30.20 30.07 29.96 10 8 0 13 3 15 0.00 Fog
5 21 14 7 16 9 2 92 75 57 30.30 30.15 29.98 10 8 2 23 11 29 0.01 Snow
6 34 17 0 11 4 -3 87 59 31 30.45 30.37 30.26 10 10 10 14 3 18 0.00  
7 40 21 2 15 7 -2 91 62 33 30.47 30.34 30.19 10 10 10 9 3 13 0.00  
8 42 22 2 19 9 -2 88 61 33 30.33 30.23 30.16 10 10 7 12 2 15 0.00  
9 40 21 2 21 9 0 88 57 25 30.47 30.34 30.22 10 10 10 14 2 18 0.00  
10 40 23 6 21 13 4 92 65 37 30.44 30.30 30.15 10 10 10 12 2 14 0.00  
11 40 24 7 24 16 3 92 68 44 30.19 30.06 29.91 10 10 10 21 4 28 0.00  
12 32 27 22 31 28 20 100 92 84 29.93 29.86 29.81 10 3 0 15 5 21 0.87 Fog , Snow
13 33 30 26 30 28 26 100 93 85 29.95 29.89 29.81 10 3 0 10 4 13 0.41 Fog , Snow
14 35 22 8 27 24 6 100 82 64 30.27 30.08 29.93 10 8 2 13 5 16 0.02 Snow
15 34 18 1 25 14 -3 88 76 63 30.31 30.23 30.11 10 10 10 14 5 18 0.00  
16 31 27 22 22 20 19 96 80 63 30.32 30.20 30.13 10 10 10 26 17 33 0.00  
17 36 31 26 24 22 20 81 70 59 30.32 30.27 30.17 10 10 10 23 13 28 T  
18 38 33 27 34 30 23 100 86 72 30.15 30.04 29.89 10 5 0 10 3 14 0.16 Fog , Snow
19 40 34 28 32 30 27 100 85 70 30.01 29.92 29.83 10 5 0 15 8 20 0.00 Fog
20 38 27 15 30 24 12 100 74 48 30.02 29.97 29.89 10 8 0 14 2 16 0.00 Fog
21 41 25 9 27 19 6 100 76 52 30.08 29.98 29.90 10 10 5 16 6 20 0.00  
22 24 21 17 19 10 1 92 67 41 30.21 30.10 29.98 10 8 2 24 10 31 T Snow
23 31 24 17 14 8 -2 80 54 28 30.40 30.26 30.12 10 6 1 29 17 39 T Snow
24 35 25 15 7 3 0 47 37 27 30.47 30.40 30.35 10 10 10 29 13 35 0.00  
25 44 25 6 12 6 -1 76 48 20 30.52 30.44 30.31 10 10 10 15 4 20 0.00  
26 53 34 15 11 3 -10 74 42 10 30.32 30.26 30.17 10 10 10 12 4 18 0.00  
27 52 30 8 10 3 -8 73 41 9 30.41 30.30 30.19 10 10 10 13 3 18 0.00  
28 59 35 11 18 9 -12 76 41 5 30.47 30.35 30.24 10 10 10 9 1 10 0.00  
29 61 40 19 30 21 11 75 50 25 30.32 30.18 30.07 10 10 10 13 2 18 0.00  
30 57 41 25 28 25 21 88 56 24 30.25 30.14 30.06 10 10 10 17 4 23 0.00  
31 56 39 22 26 13 -3 92 51 9 30.37 30.21 30.04 10 10 10 12 4 20 0.00