Weather History for Alamosa, CO

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Month of December, 2012

  Max Avg Min Sum
Temperature  
Max Temperature 57 °F 32 °F 13 °F
Mean Temperature 36 °F 12 °F -7 °F
Min Temperature 17 °F -9 °F -27 °F
Degree Days  
Heating Degree Days (base 65) 72 53 29 1646
Cooling Degree Days (base 65) 0 0 0 0
Growing Degree Days (base 50) 0 0 0 0
Dew Point  
Dew Point 30 °F 3 °F -30 °F
Precipitation  
Precipitation 0.20 in 0.03 in 0.00 in 0.81 in
Snowdepth 4.0 in 1.9 in 0.0 in -
Wind  
Wind 33 mph 4 mph 0 mph
Gust Wind 43 mph 25 mph 20 mph
Sea Level Pressure  
Sea Level Pressure 31.13 in 30.18 in 29.44 in

Monthly Weather History Graph

Monthly Weather History Graph

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Date:

Astronomy

Dec. 28, 2012 Rise Set
Actual Time 7:17 AM MST 4:53 PM MST
Civil Twilight 6:47 AM MST 5:22 PM MST
Nautical Twilight 6:15 AM MST 5:55 PM MST
Astronomical Twilight 5:43 AM MST 6:27 PM MST
Moon 5:31 PM MST (12/28) 7:14 AM MST (12/28)
Length of Visible Light 10h 34m
Length of Day
9h 36m
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 0.81 Normal Month Total: 0.35
Sunday Monday Tuesday Wednesday Thursday Friday Saturday
 
Clear
Actual:
54 | 13 0.00
Average:
39 | 5 0.01
Clear
Actual:
57 | 13 0.00
Average:
39 | 5 0.01
Partly Cloudy
Actual:
54 | 17 T
Average:
38 | 4 0.01
Clear
Actual:
48 | 9 0.00
Average:
38 | 4 0.02
Clear
Actual:
52 | 9 0.00
Average:
37 | 3 0.01
Scattered Clouds
Actual:
52 | 8 0.00
Average:
37 | 3 0.01
Fog
Actual:
48 | 7 0.00
Average:
37 | 3 0.01
Clear
Actual:
51 | 2 0.00
Average:
36 | 2 0.01
Snow
Actual:
32 | -22 0.20
Average:
36 | 2 0.02
Snow
Actual:
22 | -24 0.07
Average:
36 | 2 0.01
Fog
Actual:
23 | -15 0.00
Average:
36 | 1 0.01
Clear
Actual:
27 | -16 0.00
Average:
35 | 1 0.01
Clear
Actual:
33 | -16 0.00
Average:
35 | 1 0.02
Snow
Actual:
30 | -3 0.20
Average:
35 | 1 0.01
Snow
Actual:
33 | 2 0.04
Average:
35 | 0 0.01
Snow
Actual:
30 | -10 0.01
Average:
35 | 0 0.01
Clear
Actual:
25 | -12 0.00
Average:
34 | 0 0.01
Snow
Actual:
34 | -9 0.01
Average:
34 | 0 0.01
Snow
Actual:
31 | -9 0.08
Average:
34 | 1 0.02
Clear
Actual:
15 | -24 0.00
Average:
34 | 1 0.01
Clear
Actual:
13 | -27 0.00
Average:
34 | -1 0.01
Clear
Actual:
17 | -22 0.00
Average:
34 | -1 0.01
Scattered Clouds
Actual:
22 | -25 0.00
Average:
34 | -1 0.01
Clear
Actual:
28 | -12 0.00
Average:
34 | -1 0.01
Scattered Clouds
Actual:
26 | -9 0.00
Average:
34 | -2 0.01
Partly Cloudy
Actual:
22 | -12 0.00
Average:
34 | -2 0.01
Fog
Actual:
29 | -11 T
Average:
34 | -2 0.01
Fog
Actual:
23 | -20 0.00
Average:
34 | -2 0.01
Clear
Actual:
17 | -26 0.00
Average:
34 | -2 0.01
Snow
Actual:
14 | -20 T
Average:
34 | -2 0.01
Snow
Actual:
22 | 0 0.20
Average:
34 | -2 0.01
 

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 54 34 13 19 15 8 84 54 24 30.30 30.13 30.01 10 10 10 14 5 15 0.00  
2 57 35 13 20 13 7 80 48 15 30.32 30.11 29.92 10 10 10 21 6 28 0.00  
3 54 36 17 29 22 12 75 52 29 30.21 30.05 29.88 10 10 10 15 7 21 T  
4 48 29 9 21 13 6 92 58 24 30.54 30.43 30.27 10 10 7 9 2 12 0.00  
5 52 31 9 18 12 5 76 52 27 30.50 30.27 30.07 10 10 9 8 3 9 0.00  
6 52 30 8 30 14 3 92 60 28 30.19 30.05 29.91 10 10 10 16 4 20 0.00  
7 48 28 7 28 12 5 100 66 31 30.09 29.97 29.89 10 6 0 12 4 15 0.00 Fog
8 51 27 2 19 10 -1 86 55 23 30.05 29.88 29.74 10 10 10 28 8 35 0.00  
9 32 5 -22 19 8 -24 92 69 46 30.48 29.96 29.66 10 5 0 21 9 26 0.20 Fog , Snow
10 22 -1 -24 10 -3 -28 91 65 39 30.55 30.19 29.93 10 6 0 13 4 15 0.07 Fog , Snow
11 23 4 -15 8 -7 -20 100 75 50 30.45 30.22 29.97 10 5 0 9 2 13 0.00 Fog
12 27 6 -16 10 -4 -19 95 71 46 30.52 30.42 30.31 10 10 9 10 3 12 0.00  
13 33 9 -16 14 -2 -19 95 68 41 30.57 30.38 30.03 10 10 8 8 2 8 0.00  
14 30 14 -3 24 14 -4 96 90 83 30.17 29.83 29.63 10 4 0 17 4 21 0.20 Fog , Snow
15 33 18 2 21 15 -1 95 76 56 30.13 29.91 29.72 10 8 1 22 7 26 0.04 Snow
16 30 10 -10 18 7 -12 96 73 50 30.24 29.92 29.72 10 6 0 14 4 17 0.01 Fog , Snow
17 25 7 -12 11 -2 -17 95 75 55 30.38 30.18 30.03 10 10 7 14 4 16 0.00  
18 34 13 -9 28 8 -13 91 74 56 30.25 29.91 29.62 10 7 0 23 10 29 0.01 Fog , Snow
19 31 11 -9 29 17 -17 100 74 48 30.41 29.67 29.44 10 6 0 33 14 43 0.08 Fog , Snow
20 15 -4 -24 -5 -17 -26 87 62 36 31.07 30.83 30.48 10 10 10 14 3 18 0.00  
21 13 -7 -27 -2 -17 -30 91 71 50 31.13 30.89 30.73 10 10 9 8 2 9 0.00  
22 17 -2 -22 1 -13 -25 91 72 53 30.81 30.67 30.55 10 10 4 9 2 10 0.00  
23 22 -1 -25 4 -13 -30 92 69 45 30.69 30.49 30.14 10 9 5 9 2 9 0.00  
24 28 8 -12 11 0 -14 88 69 50 30.33 30.08 29.85 10 10 9 12 4 13 0.00  
25 26 9 -9 11 3 -12 96 76 55 30.35 30.13 29.80 10 10 7 10 3 13 0.00  
26 22 5 -12 11 -2 -17 96 77 57 30.30 30.05 29.77 10 9 2 15 4 20 0.00  
27 29 9 -11 12 -2 -15 100 78 55 30.11 29.85 29.64 10 7 0 13 5 15 T Fog
28 23 2 -20 4 -9 -21 95 68 41 30.58 30.19 29.82 10 9 0 9 3 10 0.00 Fog
29 17 -4 -26 0 -13 -29 91 69 47 30.84 30.60 30.11 10 10 7 9 4 10 0.00  
30 14 -3 -20 3 -7 -24 89 72 55 30.58 30.30 29.86 10 9 1 8 2 8 T Snow
31 22 11 0 18 11 -1 100 87 74 30.12 29.91 29.76 10 4 0 9 2 10 0.20 Fog , Snow