Weather History for Grand Junction, CO

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Month of January, 2012

  Max Avg Min Sum
Temperature  
Max Temperature 57 °F 44 °F 33 °F
Mean Temperature 45 °F 32 °F 19 °F
Min Temperature 32 °F 19 °F 4 °F
Degree Days  
Heating Degree Days (base 65) 46 33 20 1025
Cooling Degree Days (base 65) 0 0 0 0
Growing Degree Days (base 50) 0 0 0 0
Dew Point  
Dew Point 37 °F 17 °F -3 °F
Precipitation  
Precipitation 0.11 in 0.01 in 0.00 in 0.37 in
Snowdepth 1.0 in 0.0 in 0.0 in -
Wind  
Wind 31 mph 5 mph 0 mph
Gust Wind 39 mph 24 mph 20 mph
Sea Level Pressure  
Sea Level Pressure 30.76 in 30.23 in 29.44 in

Monthly Weather History Graph

Monthly Weather History Graph

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Date:

Astronomy

Jan. 01, 2012 Rise Set
Actual Time 7:33 AM MST 5:01 PM MST
Civil Twilight 7:03 AM MST 5:31 PM MST
Nautical Twilight 6:29 AM MST 6:05 PM MST
Astronomical Twilight 5:57 AM MST 6:37 PM MST
Moon 11:50 AM MST (1/1) 12:33 AM MST (1/1)
Length of Visible Light 10h 28m
Length of Day
9h 28m
First Quarter, 55% of the Moon is Illuminated
Jan 1
First Quarter
Jan 9
Full
Jan 16
Last Quarter
Jan 23
New
Jan 30
First Quarter

Weather History Calendar

Precipitation Actual month total 0.37 Normal Month Total: 0.58
Sunday Monday Tuesday Wednesday Thursday Friday Saturday
Clear
Actual:
44 | 16 0.00
Average:
37 | 16 0.02
Clear
Actual:
47 | 18 0.00
Average:
37 | 16 0.02
Clear
Actual:
46 | 17 0.00
Average:
37 | 16 0.02
Clear
Actual:
46 | 21 0.00
Average:
37 | 16 0.02
Clear
Actual:
47 | 19 0.00
Average:
37 | 16 0.02
Clear
Actual:
47 | 20 0.00
Average:
37 | 16 0.02
Snow
Actual:
41 | 24 T
Average:
37 | 16 0.02
Clear
Actual:
43 | 20 0.00
Average:
37 | 16 0.02
Clear
Actual:
43 | 18 0.00
Average:
37 | 16 0.02
Clear
Actual:
45 | 17 0.00
Average:
37 | 16 0.02
Scattered Clouds
Actual:
42 | 17 0.00
Average:
37 | 16 0.02
Clear
Actual:
37 | 11 0.00
Average:
37 | 16 0.02
Clear
Actual:
37 | 11 0.00
Average:
37 | 16 0.02
Clear
Actual:
43 | 13 0.00
Average:
37 | 16 0.02
Clear
Actual:
42 | 13 0.00
Average:
37 | 17 0.02
Snow
Actual:
44 | 10 T
Average:
37 | 17 0.02
Clear
Actual:
33 | 4 0.00
Average:
37 | 17 0.02
Partly Cloudy
Actual:
42 | 13 0.00
Average:
38 | 17 0.01
Partly Cloudy
Actual:
53 | 25 0.00
Average:
38 | 17 0.02
Partly Cloudy
Actual:
57 | 32 0.00
Average:
38 | 17 0.02
Rain
Actual:
49 | 32 0.09
Average:
38 | 17 0.02
Rain
Actual:
41 | 29 0.11
Average:
38 | 17 0.02
Snow
Actual:
44 | 24 T
Average:
38 | 17 0.01
Snow
Actual:
43 | 26 0.06
Average:
39 | 18 0.02
Clear
Actual:
45 | 20 0.00
Average:
39 | 18 0.02
Snow
Actual:
44 | 22 0.06
Average:
39 | 18 0.02
Snow
Actual:
46 | 26 0.05
Average:
39 | 18 0.01
Clear
Actual:
40 | 19 0.00
Average:
39 | 18 0.02
Clear
Actual:
42 | 19 0.00
Average:
40 | 19 0.02
Scattered Clouds
Actual:
43 | 19 0.00
Average:
40 | 19 0.01
Clear
Actual:
48 | 23 0.00
Average:
40 | 19 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
Jan high avg low high avg low high avg low high avg low high avg low high avg high sum  
1 44 30 16 15 10 7 74 47 20 30.74 30.66 30.49 10 10 10 15 4 16 0.00  
2 47 33 18 16 13 10 74 50 25 30.76 30.64 30.53 10 10 10 17 4 20 0.00  
3 46 32 17 20 17 12 80 56 31 30.58 30.52 30.41 10 10 10 12 4 13 0.00  
4 46 34 21 20 18 15 77 55 33 30.71 30.61 30.51 10 10 10 15 5 17 0.00  
5 47 33 19 18 17 14 84 56 28 30.53 30.37 30.19 10 10 10 8 3 10 0.00  
6 47 34 20 20 18 15 81 56 31 30.23 30.14 30.00 10 10 10 12 3 14 0.00  
7 41 33 24 30 24 19 85 69 52 30.15 30.01 29.93 10 9 2 14 3 18 T Snow
8 43 32 20 19 14 12 78 54 29 30.38 30.26 30.14 10 10 10 13 4 15 0.00  
9 43 31 18 18 16 13 74 54 33 30.49 30.39 30.27 10 10 10 18 8 21 0.00  
10 45 31 17 21 18 13 84 61 37 30.36 30.22 30.06 10 10 10 15 3 15 0.00  
11 42 30 17 21 11 2 84 54 23 30.37 30.19 30.04 10 10 10 20 5 23 0.00  
12 37 24 11 3 1 -3 61 41 20 30.46 30.36 30.20 10 10 10 18 5 21 0.00  
13 37 24 11 4 2 1 61 42 23 30.51 30.45 30.36 10 10 10 15 5 16 0.00  
14 43 28 13 10 5 3 64 42 19 30.57 30.41 30.26 10 10 10 14 4 15 0.00  
15 42 28 13 15 10 6 73 52 30 30.24 30.07 29.86 10 10 10 13 3 18 0.00  
16 44 27 10 36 22 0 76 59 42 30.24 29.84 29.67 10 9 2 31 8 37 T Rain , Snow
17 33 19 4 4 -1 -3 69 46 23 30.44 30.35 30.23 10 10 10 13 4 16 0.00  
18 42 28 13 15 9 2 64 47 29 30.34 30.22 30.11 10 10 10 9 3 10 0.00  
19 53 39 25 21 19 14 63 45 26 30.11 29.97 29.78 10 10 10 9 2 9 0.00  
20 57 45 32 24 20 17 64 44 24 30.01 29.91 29.76 10 10 10 15 4 17 0.00  
21 49 41 32 37 30 19 100 70 39 29.95 29.59 29.44 10 6 0 31 13 39 0.09 Fog , Rain
22 41 35 29 34 25 17 96 68 40 30.16 29.90 29.53 10 10 3 25 8 33 0.11 Rain
23 44 34 24 31 24 18 92 65 37 30.12 29.98 29.82 10 10 4 18 11 22 T Snow
24 43 35 26 34 29 20 92 69 45 30.38 30.06 29.90 10 6 2 13 5 16 0.06 Snow
25 45 33 20 27 21 16 84 62 40 30.51 30.40 30.31 10 10 10 12 3 14 0.00  
26 44 33 22 32 26 19 82 64 45 30.36 30.17 29.99 10 8 1 14 5 15 0.06 Snow
27 46 36 26 32 27 10 100 65 30 30.43 30.15 30.01 10 7 0 12 4 15 0.05 Fog , Rain , Snow
28 40 30 19 20 14 8 75 52 29 30.61 30.52 30.43 10 10 10 13 5 15 0.00  
29 42 31 19 21 15 10 74 51 27 30.60 30.46 30.30 10 10 10 12 4 14 0.00  
30 43 31 19 24 19 15 84 60 36 30.28 30.15 30.06 10 10 10 8 2 9 0.00  
31 48 36 23 23 20 17 75 53 31 30.22 30.15 30.08 10 10 10 10 4 13 0.00