Weather History for Montrose, CO

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Month of September, 2011

  Max Avg Min Sum
Temperature  
Max Temperature 90 °F 78 °F 64 °F
Mean Temperature 73 °F 63 °F 56 °F
Min Temperature 57 °F 49 °F 41 °F
Degree Days  
Heating Degree Days (base 65) 9 2 0 75
Cooling Degree Days (base 65) 8 1 0 30
Growing Degree Days (base 50) 23 13 6 401
Dew Point  
Dew Point 57 °F 40 °F 16 °F
Precipitation  
Precipitation 0.29 in 0.03 in 0.00 in 0.76 in
Snowdepth - - - -
Wind  
Wind 25 mph 7 mph 0 mph
Gust Wind 37 mph 25 mph 16 mph
Sea Level Pressure  
Sea Level Pressure 30.41 in 30.05 in 29.80 in

Monthly Weather History Graph

Monthly Weather History Graph

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Date:

Astronomy

Sep. 11, 2011 Rise Set
Actual Time 6:49 AM MDT 7:26 PM MDT
Civil Twilight 6:22 AM MDT 7:53 PM MDT
Nautical Twilight 5:51 AM MDT 8:24 PM MDT
Astronomical Twilight 5:18 AM MDT 8:56 PM MDT
Moon 6:50 PM MDT (9/11) 6:11 AM MDT (9/11)
Length of Visible Light 13h 30m
Length of Day
12h 36m
Full, 100% of the Moon is Illuminated
Sep 11
Full
Sep 12
Full
Sep 20
Last Quarter
Sep 27
New
Oct 3
First Quarter

Weather History Calendar

Precipitation Actual month total 0.76 Average Month Total: 1.53
Sunday Monday Tuesday Wednesday Thursday Friday Saturday
 
Thunderstorm
Actual:
89 | 57 0.00
Average:
80 | 51 0.05
Clear
Actual:
90 | 57 0.00
Average:
80 | 50 0.05
Clear
Actual:
86 | 53 0.00
Average:
80 | 50 0.05
Clear
Actual:
87 | 51 0.00
Average:
79 | 50 0.05
Scattered Clouds
Actual:
89 | 53 0.00
Average:
79 | 49 0.05
Rain
Actual:
69 | 54 0.15
Average:
78 | 49 0.05
Partly Cloudy
Actual:
73 | 52 0.00
Average:
78 | 48 0.05
Clear
Actual:
78 | 50 0.00
Average:
77 | 48 0.05
Scattered Clouds
Actual:
78 | 51 0.00
Average:
77 | 48 0.06
Thunderstorm
Actual:
79 | 46 0.00
Average:
77 | 47 0.06
Partly Cloudy
Actual:
75 | 54 0.00
Average:
76 | 47 0.06
Rain
Actual:
77 | 55 0.02
Average:
76 | 46 0.06
Scattered Clouds
Actual:
75 | 54 0.00
Average:
75 | 46 0.06
Rain
Actual:
70 | 50 0.05
Average:
75 | 45 0.06
Thunderstorm
Actual:
69 | 50 0.11
Average:
74 | 45 0.05
Thunderstorm
Actual:
70 | 50 0.29
Average:
74 | 44 0.05
Rain
Actual:
64 | 48 0.14
Average:
73 | 44 0.05
Clear
Actual:
72 | 41 0.00
Average:
73 | 43 0.05
Clear
Actual:
77 | 46 0.00
Average:
73 | 43 0.05
Clear
Actual:
80 | 46 0.00
Average:
73 | 43 0.05
Clear
Actual:
77 | 48 0.00
Average:
73 | 42 0.05
Clear
Actual:
77 | 44 0.00
Average:
73 | 42 0.05
Clear
Actual:
79 | 45 0.00
Average:
73 | 42 0.05
Clear
Actual:
81 | 45 0.00
Average:
72 | 42 0.05
Clear
Actual:
82 | 45 0.00
Average:
72 | 42 0.05
Clear
Actual:
82 | 45 0.00
Average:
72 | 41 0.05
Clear
Actual:
82 | 48 0.00
Average:
72 | 41 0.05
Clear
Actual:
82 | 46 0.00
Average:
71 | 41 0.04
Clear
Actual:
82 | 46 0.00
Average:
71 | 41 0.04
Thunderstorm
Actual:
82 | 48 0.00
Average:
71 | 40 0.04
 

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

2011 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 89 73 57 48 43 35 67 35 15 30.10 29.89 29.80 10 10 9 17 7 37 0.00 Thunderstorm
2 90 73 57 47 41 32 65 36 14 29.96 29.88 29.81 10 10 10 14 7 - 0.00  
3 86 70 53 41 35 27 59 32 12 29.97 29.91 29.86 10 10 10 13 8 - 0.00  
4 87 68 51 37 31 16 54 29 8 30.05 29.98 29.92 10 10 10 13 7 - 0.00  
5 89 70 53 46 34 19 47 26 8 30.08 29.95 29.87 10 10 10 12 6 22 0.00  
6 69 61 54 57 55 48 97 83 49 30.31 30.14 29.96 10 9 3 10 4 - 0.15 Rain
7 73 62 52 54 51 46 94 73 38 30.41 30.23 30.12 10 10 10 9 4 - 0.00  
8 78 64 50 48 44 32 83 51 20 30.22 30.12 30.03 10 10 10 20 6 30 0.00  
9 78 63 51 45 42 39 68 45 27 30.13 30.02 29.89 10 10 9 17 8 28 0.00  
10 79 60 46 45 42 35 79 54 23 30.19 30.08 29.99 10 10 10 17 6 26 0.00 Thunderstorm
11 75 64 54 50 45 42 72 54 33 30.20 30.13 30.08 10 10 10 14 6 - 0.00  
12 77 65 55 52 45 38 87 54 28 30.26 30.17 30.09 10 10 10 10 7 - 0.02 Rain
13 75 64 54 46 42 34 66 48 22 30.34 30.11 30.00 10 10 7 10 6 - 0.00  
14 70 60 50 53 46 41 90 66 39 30.02 29.99 29.93 10 10 10 14 6 - 0.05 Rain
15 69 58 50 52 49 45 96 75 46 30.10 30.00 29.93 10 9 2 12 4 - 0.11 Rain , Thunderstorm
16 70 60 50 51 47 44 93 68 40 30.14 29.99 29.88 10 10 5 18 5 25 0.29 Rain , Thunderstorm
17 64 57 48 50 46 41 89 75 43 30.15 30.05 29.96 10 10 5 21 10 - 0.14 Rain
18 72 56 41 49 44 39 93 64 35 30.27 30.20 30.15 10 10 10 10 4 - 0.00  
19 77 60 46 48 42 38 83 55 25 30.23 30.12 30.02 10 10 8 12 7 - 0.00  
20 80 62 46 45 39 31 74 45 18 30.09 30.01 29.94 10 10 10 12 7 - 0.00  
21 77 62 48 39 36 31 66 41 19 30.06 30.01 29.95 10 10 10 10 7 - 0.00  
22 77 60 44 40 33 26 71 41 16 30.19 30.13 30.08 10 10 10 14 7 - 0.00  
23 79 62 45 39 32 27 61 37 15 30.30 30.18 30.09 10 10 10 12 8 - 0.00  
24 81 63 45 38 33 29 61 37 15 30.15 30.04 29.93 10 10 10 12 7 - 0.00  
25 82 64 45 35 30 23 63 34 12 30.01 29.92 29.83 10 10 10 12 7 - 0.00  
26 82 63 45 37 31 26 58 33 13 30.03 29.96 29.88 10 10 7 13 8 18 0.00  
27 82 65 48 40 33 27 61 36 13 30.15 30.05 29.98 10 10 8 12 8 26 0.00  
28 82 64 46 39 33 28 61 33 14 30.16 30.06 29.99 10 10 10 12 7 - 0.00  
29 82 64 46 37 34 31 63 36 16 30.14 30.07 30.00 10 10 10 16 7 - 0.00  
30 82 64 48 40 36 32 61 37 19 30.26 30.13 30.02 10 10 2 25 9 37 0.00 Rain , Thunderstorm