Weather History for Grand Junction, CO

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Month of December, 2012

  Max Avg Min Sum
Temperature  
Max Temperature 59 °F 36 °F 16 °F
Mean Temperature 47 °F 26 °F 6 °F
Min Temperature 35 °F 16 °F -5 °F
Degree Days  
Heating Degree Days (base 65) 59 39 18 1200
Cooling Degree Days (base 65) 0 0 0 0
Growing Degree Days (base 50) 0 0 0 0
Dew Point  
Dew Point 40 °F 17 °F -9 °F
Precipitation  
Precipitation 0.32 in 0.04 in 0.00 in 1.06 in
Snowdepth 4.0 in 1.3 in 0.0 in -
Wind  
Wind 26 mph 5 mph 0 mph
Gust Wind 33 mph 24 mph 16 mph
Sea Level Pressure  
Sea Level Pressure 30.82 in 30.08 in 29.51 in

Monthly Weather History Graph

Monthly Weather History Graph

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Date:

Astronomy

Dec. 07, 2012 Rise Set
Actual Time 7:20 AM MST 4:51 PM MST
Civil Twilight 6:50 AM MST 5:21 PM MST
Nautical Twilight 6:17 AM MST 5:54 PM MST
Astronomical Twilight 5:44 AM MST 6:26 PM MST
Moon 12:45 AM MST (12/7) 12:47 PM MST (12/7)
Length of Visible Light 10h 30m
Length of Day
9h 30m
Last Quarter, 38% of the Moon is Illuminated
Dec 7
Last Quarter
Dec 13
New
Dec 19
First Quarter
Dec 28
Full
Jan 4
Last Quarter

Weather History Calendar

Precipitation Actual month total 1.06 Normal Month Total: 0.59
Sunday Monday Tuesday Wednesday Thursday Friday Saturday
 
Scattered Clouds
Actual:
59 | 35 0.00
Average:
42 | 22 0.02
Scattered Clouds
Actual:
56 | 35 0.00
Average:
42 | 21 0.02
Rain
Actual:
54 | 26 0.03
Average:
42 | 21 0.02
Clear
Actual:
50 | 25 0.00
Average:
41 | 21 0.02
Partly Cloudy
Actual:
48 | 23 0.00
Average:
41 | 21 0.02
Partly Cloudy
Actual:
53 | 30 T
Average:
40 | 20 0.02
Scattered Clouds
Actual:
51 | 29 0.00
Average:
40 | 20 0.02
Snow
Actual:
53 | 22 T
Average:
40 | 20 0.02
Snow
Actual:
31 | 14 0.02
Average:
40 | 20 0.02
Partly Cloudy
Actual:
28 | 14 0.00
Average:
39 | 19 0.02
Scattered Clouds
Actual:
37 | 10 0.00
Average:
39 | 19 0.02
Clear
Actual:
43 | 23 0.00
Average:
39 | 19 0.02
Scattered Clouds
Actual:
56 | 26 0.00
Average:
39 | 19 0.02
Rain
Actual:
43 | 32 0.03
Average:
38 | 19 0.01
Snow
Actual:
39 | 32 0.18
Average:
38 | 18 0.02
Snow
Actual:
41 | 28 0.05
Average:
38 | 18 0.02
Mostly Cloudy
Actual:
41 | 28 0.00
Average:
38 | 18 0.02
Snow
Actual:
43 | 26 0.17
Average:
38 | 18 0.02
Snow
Actual:
26 | 0 0.32
Average:
38 | 18 0.02
Clear
Actual:
18 | -1 0.00
Average:
37 | 18 0.01
Clear
Actual:
16 | -3 0.00
Average:
37 | 17 0.02
Clear
Actual:
16 | -5 0.00
Average:
37 | 17 0.02
Scattered Clouds
Actual:
23 | 3 0.00
Average:
37 | 17 0.02
Snow
Actual:
29 | 18 0.17
Average:
37 | 17 0.02
Partly Cloudy
Actual:
26 | 7 0.00
Average:
37 | 17 0.02
Snow
Actual:
24 | 10 0.01
Average:
37 | 17 0.02
Snow
Actual:
27 | 12 0.02
Average:
37 | 17 0.01
Fog
Actual:
21 | 1 T
Average:
37 | 17 0.02
Clear
Actual:
20 | -3 0.00
Average:
37 | 17 0.02
Snow
Actual:
20 | -4 0.02
Average:
37 | 17 0.02
Snow
Actual:
21 | 4 0.04
Average:
37 | 17 0.02
 

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 59 47 35 30 28 25 64 49 33 30.11 30.03 29.95 10 10 7 12 4 15 0.00  
2 56 46 35 30 28 26 70 53 35 30.06 29.94 29.80 10 10 7 20 10 23 0.00  
3 54 40 26 40 30 20 92 68 43 30.31 30.10 29.81 10 10 7 15 6 20 0.03 Rain
4 50 38 25 25 22 19 81 55 29 30.49 30.40 30.32 10 10 10 14 6 15 0.00  
5 48 36 23 24 21 16 74 54 34 30.32 30.18 30.03 10 10 10 13 2 15 0.00  
6 53 42 30 33 28 24 85 65 44 30.04 29.97 29.89 10 10 10 9 3 12 T  
7 51 40 29 36 27 19 85 61 36 30.01 29.94 29.88 10 10 10 10 3 14 0.00  
8 53 38 22 24 19 13 84 52 19 29.96 29.87 29.73 10 10 7 26 9 33 T Snow
9 31 23 14 25 9 -9 88 53 17 30.38 30.13 29.96 10 8 1 23 9 29 0.02 Snow
10 28 21 14 13 5 1 88 63 37 30.36 30.27 30.19 10 10 10 21 7 23 0.00  
11 37 24 10 18 15 8 92 66 40 30.28 30.18 30.02 10 10 10 22 6 28 0.00  
12 43 33 23 17 15 14 74 54 33 30.05 29.99 29.93 10 10 10 24 10 29 0.00  
13 56 41 26 18 16 13 63 42 20 30.03 29.93 29.78 10 10 10 17 7 22 0.00  
14 43 38 32 36 28 18 100 70 39 29.82 29.69 29.53 10 9 4 18 5 21 0.03 Rain
15 39 36 32 34 33 31 100 88 76 29.88 29.82 29.78 10 8 1 12 4 13 0.18 Rain , Snow
16 41 35 28 32 29 23 100 75 50 30.02 29.87 29.81 10 6 1 21 6 24 0.05 Snow
17 41 35 28 31 26 24 92 76 59 30.01 29.93 29.83 10 10 10 16 5 20 0.00  
18 43 35 26 34 29 26 100 77 53 29.83 29.64 29.51 10 7 0 22 9 26 0.17 Fog , Rain , Snow
19 26 13 0 25 14 -3 100 75 49 30.57 29.96 29.54 10 7 0 20 7 25 0.32 Fog , Snow
20 18 9 -1 7 0 -5 87 72 56 30.82 30.72 30.58 10 10 10 17 6 18 0.00  
21 16 7 -3 9 1 -6 91 79 67 30.73 30.62 30.51 10 10 10 9 3 10 0.00  
22 16 6 -5 9 2 -7 95 84 73 30.58 30.48 30.37 10 10 7 10 2 12 0.00  
23 23 13 3 15 9 1 92 80 68 30.42 30.30 30.14 10 9 7 8 2 9 0.00  
24 29 24 18 29 23 15 100 89 77 30.10 29.84 29.70 10 3 0 21 6 24 0.17 Fog , Snow
25 26 17 7 22 14 8 100 84 68 30.29 30.20 29.98 10 10 10 15 5 18 0.00  
26 24 17 10 22 18 12 100 91 81 30.17 29.87 29.69 10 6 2 13 3 14 0.01 Snow
27 27 20 12 25 20 12 100 92 84 30.08 29.85 29.73 10 4 0 14 3 15 0.02 Fog , Snow
28 21 11 1 14 7 1 100 89 77 30.49 30.20 29.95 10 5 0 13 4 14 T Fog
29 20 9 -3 11 3 -4 91 79 67 30.53 30.43 30.33 10 10 10 16 5 16 0.00  
30 20 8 -4 16 8 -4 100 81 62 30.31 30.16 29.90 10 8 1 7 2 7 0.02 Snow
31 21 13 4 17 12 5 100 92 84 30.32 30.07 29.88 10 7 2 12 6 14 0.04 Snow