Weather History for Broomfield, CO

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Month of September, 2012

  Max Avg Min Sum
Temperature  
Max Temperature 91 °F 78 °F 60 °F
Mean Temperature 78 °F 66 °F 55 °F
Min Temperature 66 °F 54 °F 46 °F
Degree Days  
Heating Degree Days (base 65) 10 2 0 69
Cooling Degree Days (base 65) 12 3 0 101
Growing Degree Days (base 50) 28 16 5 488
Dew Point  
Dew Point 55 °F 33 °F 3 °F
Precipitation  
Precipitation 0.00 in 0.00 in 0.00 in 0.00 in
Snowdepth - - - -
Wind  
Wind 25 mph 6 mph 0 mph
Gust Wind 43 mph 22 mph 16 mph
Sea Level Pressure  
Sea Level Pressure 30.53 in 30.21 in 29.96 in

Monthly Weather History Graph

Monthly Weather History Graph

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Date:

Astronomy

Sep. 12, 2012 Rise Set
Actual Time 6:39 AM MDT 7:13 PM MDT
Civil Twilight 6:11 AM MDT 7:40 PM MDT
Nautical Twilight 5:39 AM MDT 8:12 PM MDT
Astronomical Twilight 5:06 AM MDT 8:45 PM MDT
Moon 2:58 AM MDT (9/12) 5:02 PM MDT (9/12)
Length of Visible Light 13h 28m
Length of Day
12h 34m
Waning Crescent, 13% of the Moon is Illuminated
Sep 12
Waning Crescent
Sep 15
New
Sep 22
First Quarter
Sep 29
Full
Oct 8
Last Quarter

Weather History Calendar

Precipitation Actual month total 0.00 Average Month Total: 0.91
Sunday Monday Tuesday Wednesday Thursday Friday Saturday
 
Scattered Clouds
Actual:
91 | 64 0.00
Average:
81 | 57 0.02
Partly Cloudy
Actual:
89 | 66 0.00
Average:
81 | 56 0.02
Partly Cloudy
Actual:
87 | 60 0.00
Average:
81 | 56 0.02
Scattered Clouds
Actual:
89 | 59 0.00
Average:
81 | 56 0.03
Clear
Actual:
86 | 59 0.00
Average:
80 | 55 0.03
Scattered Clouds
Actual:
87 | 60 0.00
Average:
80 | 55 0.03
Rain
Actual:
68 | 53 0.00
Average:
79 | 55 0.04
Clear
Actual:
77 | 51 0.00
Average:
79 | 54 0.04
Clear
Actual:
87 | 51 0.00
Average:
78 | 54 0.04
Scattered Clouds
Actual:
91 | 60 0.00
Average:
78 | 53 0.04
Rain
Actual:
82 | 60 0.00
Average:
77 | 53 0.03
Rain
Actual:
60 | 50 0.00
Average:
77 | 52 0.04
Partly Cloudy
Actual:
68 | 51 0.00
Average:
76 | 52 0.03
Clear
Actual:
77 | 48 0.00
Average:
75 | 51 0.03
Scattered Clouds
Actual:
86 | 51 0.00
Average:
74 | 50 0.03
Scattered Clouds
Actual:
86 | 59 0.00
Average:
73 | 50 0.03
Scattered Clouds
Actual:
64 | 50 0.00
Average:
72 | 49 0.03
Clear
Actual:
77 | 48 0.00
Average:
72 | 48 0.03
Partly Cloudy
Actual:
80 | 59 0.00
Average:
71 | 48 0.03
Scattered Clouds
Actual:
80 | 51 0.00
Average:
71 | 47 0.03
Scattered Clouds
Actual:
77 | 53 0.00
Average:
71 | 47 0.03
Scattered Clouds
Actual:
77 | 50 0.00
Average:
70 | 46 0.02
Partly Cloudy
Actual:
86 | 53 0.00
Average:
70 | 46 0.02
Partly Cloudy
Actual:
78 | 59 0.00
Average:
70 | 46 0.03
Rain
Actual:
68 | 51 0.00
Average:
69 | 46 0.03
Thunderstorm
Actual:
64 | 50 0.00
Average:
69 | 46 0.03
Thunderstorm
Actual:
66 | 46 0.00
Average:
68 | 45 0.03
Scattered Clouds
Actual:
69 | 46 0.00
Average:
68 | 45 0.03
Scattered Clouds
Actual:
77 | 50 0.00
Average:
68 | 45 0.04
Partly Cloudy
Actual:
73 | 55 0.00
Average:
67 | 45 0.03
 

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
Sep high avg low high avg low high avg low high avg low high avg low high avg high sum  
1 91 78 64 45 32 23 38 24 10 30.18 30.15 30.10 10 10 10 21 8 28 0.00  
2 89 78 66 48 40 30 46 31 12 30.20 30.16 30.12 20 10 6 20 9 43 0.00  
3 87 74 60 46 39 19 55 35 8 30.23 30.19 30.15 20 11 10 22 9 29 0.00  
4 89 74 59 48 26 9 42 24 5 30.20 30.15 30.06 10 10 10 25 8 33 0.00  
5 86 72 59 28 19 9 26 16 6 30.29 30.19 30.08 15 12 10 18 9 36 0.00  
6 87 74 60 54 18 9 35 15 6 30.16 30.11 30.03 20 10 10 21 4 29 0.00  
7 68 60 53 50 40 28 72 51 23 30.42 30.31 30.17 20 13 10 25 13 32 0.00 Rain
8 77 64 51 43 36 18 71 46 11 30.43 30.38 30.31 20 13 10 9 3 - 0.00  
9 87 69 51 30 25 9 41 26 5 30.35 30.26 30.11 20 11 10 10 4 - 0.00  
10 91 76 60 52 25 16 72 20 7 30.11 30.07 29.98 20 11 10 12 4 22 0.00  
11 82 71 60 55 35 23 82 31 13 30.13 30.03 29.96 15 10 8 14 6 18 0.00 Rain
12 60 55 50 55 49 18 94 83 28 30.43 30.25 30.12 15 8 4 12 4 17 0.00 Rain
13 68 60 51 48 41 25 88 63 21 30.53 30.47 30.43 20 10 5 9 4 - 0.00  
14 77 62 48 39 31 16 66 40 10 30.51 30.44 30.33 20 12 10 13 3 16 0.00  
15 86 68 51 34 25 10 47 28 6 30.32 30.26 30.16 10 10 10 12 3 - 0.00  
16 86 72 59 30 16 3 30 15 5 30.20 30.14 30.05 20 11 10 25 7 32 0.00  
17 64 57 50 39 36 30 66 47 31 30.24 30.22 30.18 20 14 10 16 7 21 0.00  
18 77 62 48 39 33 21 66 42 12 30.24 30.19 30.13 20 11 8 10 2 - 0.00  
19 80 70 59 46 22 18 49 19 10 30.25 30.18 30.13 15 10 8 14 8 17 0.00  
20 80 66 51 32 27 18 47 28 10 30.25 30.20 30.16 20 12 10 16 3 - 0.00  
21 77 65 53 32 27 21 41 28 12 30.28 30.21 30.17 20 11 8 10 5 16 0.00  
22 77 64 50 34 30 28 50 32 18 30.35 30.29 30.21 20 11 10 12 8 - 0.00  
23 86 70 53 36 27 9 47 28 5 30.25 30.20 30.12 20 11 10 14 3 22 0.00  
24 78 68 59 41 32 21 51 26 12 30.17 30.11 29.99 20 12 10 18 9 26 0.00  
25 68 60 51 52 41 36 100 56 33 30.11 30.05 30.02 20 11 4 13 2 20 0.00 Rain
26 64 57 50 50 47 32 94 80 44 30.24 30.15 30.09 20 11 7 15 3 - 0.00 Rain , Thunderstorm
27 66 56 46 50 45 43 88 76 49 30.26 30.22 30.18 20 13 8 18 5 25 0.00 Rain , Thunderstorm
28 69 58 46 45 41 34 87 63 27 30.27 30.22 30.18 10 10 10 10 3 - 0.00  
29 77 64 50 43 38 25 71 47 14 30.22 30.18 30.13 20 10 10 10 2 - 0.00  
30 73 64 55 41 33 28 58 35 20 30.26 30.20 30.16 20 11 10 25 7 34 0.00