Weather History for Boulder Muni, Boulder, CO, CO

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Month of December, 2013

  Max Avg Min Sum
Temperature  
Max Temperature 69 °F 42 °F 6 °F
Mean Temperature 58 °F 32 °F 4 °F
Min Temperature 46 °F 22 °F -2 °F
Degree Days  
Heating Degree Days (base 65) 62 33 8 1025
Cooling Degree Days (base 65) 0 0 0 0
Growing Degree Days (base 50) 8 0 0 12
Dew Point  
Dew Point 30 °F 14 °F -6 °F
Precipitation  
Precipitation 0.16 in 0.01 in 0.00 in 0.25 in
Snowdepth - - - -
Wind  
Wind 47 mph 5 mph 0 mph
Gust Wind 71 mph 23 mph 9 mph
Sea Level Pressure  
Sea Level Pressure 30.35 in 29.99 in 29.43 in

Monthly Weather History Graph

Monthly Weather History Graph

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Date:

Astronomy

Dec. 31, 2013 Rise Set
Actual Time 7:22 AM MST 4:45 PM MST
Civil Twilight 6:52 AM MST 5:16 PM MST
Nautical Twilight 6:18 AM MST 5:50 PM MST
Astronomical Twilight 5:45 AM MST 6:22 PM MST
Moon 6:18 AM MST (12/31) 4:24 PM MST (12/31)
Length of Visible Light 10h 23m
Length of Day
9h 22m
Waning Crescent, 1% of the Moon is Illuminated
Dec 31
Waning Crescent
Jan 1
New
Jan 7
First Quarter
Jan 15
Full
Jan 23
Last Quarter

Weather History Calendar

 
Sunday Monday Tuesday Wednesday Thursday Friday Saturday
Scattered Clouds
Actual:
55 | 32 0.00
Average:
- | - -
Clear
Actual:
59 | 46 0.00
Average:
- | - -
Snow
Actual:
53 | 14 0.00
Average:
- | - -
Snow
Actual:
12 | 10 0.00
Average:
- | - -
Snow
Actual:
8 | 3 0.16
Average:
- | - -
Mostly Cloudy
Actual:
6 | 1 0.00
Average:
- | - -
Snow
Actual:
10 | -2 0.00
Average:
- | - -
Snow
Actual:
19 | 5 0.00
Average:
- | - -
Snow
Actual:
30 | 0 0.00
Average:
- | - -
Snow
Actual:
46 | 23 0.00
Average:
- | - -
Scattered Clouds
Actual:
30 | 15 0.00
Average:
- | - -
Clear
Actual:
48 | 19 0.00
Average:
- | - -
Scattered Clouds
Actual:
50 | 26 0.00
Average:
- | - -
Scattered Clouds
Actual:
46 | 23 0.00
Average:
- | - -
Clear
Actual:
53 | 30 0.00
Average:
- | - -
Clear
Actual:
62 | 42 0.00
Average:
- | - -
Clear
Actual:
60 | 32 0.00
Average:
- | - -
Clear
Actual:
69 | 46 0.00
Average:
- | - -
Snow
Actual:
50 | 19 0.00
Average:
- | - -
Snow
Actual:
26 | 17 0.00
Average:
- | - -
Snow
Actual:
32 | 17 0.00
Average:
- | - -
Snow
Actual:
39 | 17 0.03
Average:
- | - -
Snow
Actual:
46 | 19 0.01
Average:
- | - -
Scattered Clouds
Actual:
50 | 32 0.01
Average:
- | - -
Clear
Actual:
44 | 21 0.00
Average:
- | - -
Scattered Clouds
Actual:
55 | 32 0.00
Average:
- | - -
Clear
Actual:
59 | 30 0.00
Average:
- | - -
Snow
Actual:
53 | 23 0.00
Average:
- | - -
Snow
Actual:
41 | 12 0.04
Average:
- | - -
Clear
Actual:
50 | 32 0.00
Average:
- | - -
Scattered Clouds
Actual:
55 | 32 0.00
Average:
- | - -
 

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

2013 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 55 44 32 25 21 18 69 42 25 30.14 30.00 29.83 10 10 10 24 5 33 0.00  
2 59 52 46 25 21 19 40 29 22 29.86 29.67 29.55 10 10 10 21 7 53 0.00  
3 53 34 14 30 21 12 93 53 26 29.74 29.54 29.43 10 8 1 25 15 50 0.00 Snow
4 12 11 10 7 5 3 79 76 73 29.88 29.81 29.76 7 4 1 8 3 - 0.00 Snow
5 8 6 3 0 -3 -6 85 67 56 30.00 29.96 29.93 10 10 4 8 4 - 0.16 Snow
6 6 4 1 0 -2 -4 85 76 67 30.14 30.11 30.09 10 7 3 5 3 - 0.00  
7 10 4 -2 3 0 -6 92 81 67 30.13 29.88 29.72 10 8 2 6 1 - 0.00 Snow
8 19 12 5 9 5 1 92 81 63 29.98 29.78 29.65 10 9 2 8 2 - 0.00 Snow
9 30 15 0 7 0 -6 85 57 26 30.06 30.00 29.93 10 10 5 15 4 30 0.00 Snow
10 46 34 23 18 10 0 64 39 25 30.22 29.97 29.83 10 10 2 47 9 71 0.00 Rain , Snow
11 30 22 15 19 16 12 93 75 59 30.31 30.26 30.22 10 10 10 7 2 - 0.00  
12 48 34 19 21 16 12 93 57 29 30.25 30.12 29.92 10 10 10 6 2 - 0.00  
13 50 38 26 21 17 12 64 48 24 30.14 29.92 29.82 10 10 10 12 3 - 0.00  
14 46 34 23 21 16 10 80 50 23 30.25 30.17 30.12 10 10 10 16 4 22 0.00  
15 53 42 30 21 16 12 64 31 21 30.15 30.10 30.03 10 10 10 43 11 54 0.00  
16 62 52 42 18 14 9 32 23 13 30.23 30.13 30.06 10 10 10 22 8 31 0.00  
17 60 46 32 21 16 12 60 30 16 30.30 30.20 30.05 10 10 10 22 5 31 0.00  
18 69 58 46 21 14 10 28 20 12 30.04 29.85 29.72 10 10 10 15 4 21 0.00  
19 50 34 19 27 21 16 100 61 26 29.86 29.69 29.55 10 9 2 18 6 21 0.00 Snow
20 26 22 17 23 19 18 100 92 80 29.85 29.72 29.62 10 6 2 7 3 - 0.00 Snow
21 32 24 17 28 22 16 100 88 60 29.86 29.65 29.53 10 6 0 10 2 12 0.00 Fog , Snow
22 39 28 17 23 18 10 100 73 33 30.20 29.98 29.87 10 9 2 22 4 33 0.03 Snow
23 46 30 19 27 22 19 100 79 39 30.24 30.17 30.05 10 9 3 10 2 22 0.01 Snow
24 50 41 32 30 17 5 56 38 23 30.26 30.08 29.91 10 10 10 41 11 53 0.01  
25 44 32 21 19 10 1 74 43 17 30.35 30.27 30.16 10 10 10 18 3 24 0.00  
26 55 44 32 18 10 3 55 28 17 30.29 30.22 30.14 10 10 10 24 5 36 0.00  
27 59 44 30 23 19 14 60 42 23 30.26 30.18 30.03 10 10 10 6 2 - 0.00  
28 53 38 23 27 22 19 100 57 30 30.21 29.99 29.86 10 9 2 14 4 23 0.00 Snow
29 41 26 12 21 15 7 100 65 24 30.22 30.08 29.85 10 9 2 17 4 24 0.04 Snow
30 50 41 32 18 12 9 55 33 20 30.17 30.09 29.93 10 10 10 24 8 31 0.00  
31 55 44 32 21 19 14 55 35 25 30.06 29.96 29.90 10 10 10 14 4 22 0.00