Weather History for Flagstaff, AZ

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Month of September, 2012

  Max Avg Min Sum
Temperature  
Max Temperature 80 °F 74 °F 59 °F
Mean Temperature 65 °F 59 °F 53 °F
Min Temperature 54 °F 43 °F 34 °F
Degree Days  
Heating Degree Days (base 65) 12 6 0 176
Cooling Degree Days (base 65) 0 0 0 0
Growing Degree Days (base 50) 15 9 2 264
Dew Point  
Dew Point 60 °F 39 °F 15 °F
Precipitation  
Precipitation 0.19 in 0.01 in 0.00 in 0.26 in
Snowdepth 0.0 in 0.0 in 0.0 in -
Wind  
Wind 29 mph 4 mph 0 mph
Gust Wind 36 mph 21 mph 16 mph
Sea Level Pressure  
Sea Level Pressure 30.39 in 30.08 in 29.83 in

Monthly Weather History Graph

Monthly Weather History Graph

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Date:

Astronomy

Sep. 15, 2012 Rise Set
Actual Time 6:09 AM MST 6:32 PM MST
Civil Twilight 5:44 AM MST 6:58 PM MST
Nautical Twilight 5:14 AM MST 7:27 PM MST
Astronomical Twilight 4:44 AM MST 7:58 PM MST
Moon 5:43 AM MST (9/15) 6:07 PM MST (9/15)
Length of Visible Light 13h 13m
Length of Day
12h 22m
Waning Crescent, 0% of the Moon is Illuminated
Sep 15
Waning Crescent
Sep 15
New
Sep 22
First Quarter
Sep 29
Full
Oct 8
Last Quarter

Weather History Calendar

Precipitation Actual month total 0.26 Normal Month Total: 2.38
Sunday Monday Tuesday Wednesday Thursday Friday Saturday
 
Rain
Actual:
73 | 52 0.02
Average:
77 | 47 0.09
Thunderstorm
Actual:
76 | 53 0.01
Average:
77 | 47 0.09
Scattered Clouds
Actual:
78 | 49 0.04
Average:
76 | 46 0.09
Thunderstorm
Actual:
78 | 52 0.00
Average:
76 | 46 0.09
Scattered Clouds
Actual:
79 | 47 0.00
Average:
76 | 46 0.10
Scattered Clouds
Actual:
80 | 50 0.00
Average:
76 | 45 0.08
Partly Cloudy
Actual:
73 | 54 0.00
Average:
76 | 45 0.09
Scattered Clouds
Actual:
76 | 48 0.00
Average:
75 | 45 0.08
Partly Cloudy
Actual:
77 | 41 0.00
Average:
75 | 44 0.08
Partly Cloudy
Actual:
74 | 51 0.00
Average:
75 | 44 0.09
Rain
Actual:
59 | 50 0.19
Average:
75 | 44 0.08
Thunderstorm
Actual:
69 | 49 0.00
Average:
74 | 43 0.09
Scattered Clouds
Actual:
70 | 51 0.00
Average:
74 | 43 0.08
Clear
Actual:
68 | 42 0.00
Average:
74 | 43 0.08
Clear
Actual:
75 | 34 0.00
Average:
73 | 42 0.09
Clear
Actual:
76 | 38 0.00
Average:
73 | 42 0.07
Clear
Actual:
74 | 38 0.00
Average:
73 | 42 0.08
Clear
Actual:
78 | 37 0.00
Average:
72 | 41 0.08
Clear
Actual:
77 | 38 0.00
Average:
72 | 41 0.07
Partly Cloudy
Actual:
79 | 41 0.00
Average:
72 | 41 0.08
Scattered Clouds
Actual:
79 | 40 0.00
Average:
71 | 40 0.07
Scattered Clouds
Actual:
79 | 41 0.00
Average:
71 | 40 0.08
Scattered Clouds
Actual:
77 | 44 0.00
Average:
71 | 39 0.08
Rain
Actual:
74 | 41 T
Average:
70 | 39 0.07
Clear
Actual:
72 | 42 0.00
Average:
70 | 39 0.08
Scattered Clouds
Actual:
71 | 35 0.00
Average:
70 | 38 0.06
Scattered Clouds
Actual:
72 | 35 0.00
Average:
69 | 38 0.07
Scattered Clouds
Actual:
73 | 35 0.00
Average:
69 | 37 0.06
Partly Cloudy
Actual:
73 | 37 T
Average:
68 | 37 0.07
Clear
Actual:
75 | 35 0.00
Average:
68 | 37 0.06
 

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 73 63 52 60 55 50 93 77 61 30.09 30.04 29.97 10 10 10 16 3 20 0.02 Rain
2 76 65 53 56 53 51 93 70 46 30.10 30.06 30.00 10 10 10 17 4 21 0.01 Rain , Thunderstorm
3 78 64 49 58 50 44 96 64 31 30.32 30.11 30.04 10 10 10 17 3 28 0.04  
4 78 65 52 54 51 47 96 66 36 30.39 30.11 30.00 10 10 10 17 3 25 0.00 Thunderstorm
5 79 63 47 51 48 43 93 62 31 30.10 30.02 29.97 10 10 10 14 2 21 0.00  
6 80 65 50 53 49 46 86 58 30 30.04 29.98 29.93 10 10 10 16 5 21 0.00  
7 73 64 54 58 54 50 86 74 61 30.11 30.03 29.96 10 10 6 10 4 17 0.00  
8 76 62 48 52 43 37 83 54 25 30.12 30.06 30.02 10 10 10 16 5 24 0.00  
9 77 59 41 52 45 37 83 57 31 30.13 30.08 30.04 10 10 10 14 4 20 0.00  
10 74 63 51 55 51 48 93 69 44 30.35 30.04 29.99 10 10 10 22 6 29 0.00  
11 59 55 50 54 53 48 100 89 77 30.27 30.14 29.97 10 8 2 16 7 22 0.19 Rain
12 69 59 49 54 50 44 100 73 45 30.27 30.12 29.99 10 9 1 16 3 23 0.00 Thunderstorm
13 70 61 51 47 42 38 66 49 31 30.23 30.16 30.06 10 10 10 23 14 35 0.00  
14 68 55 42 41 35 32 71 50 28 30.29 30.24 30.18 10 10 10 20 8 30 0.00  
15 75 55 34 35 30 24 82 49 16 30.27 30.21 30.16 10 10 10 16 3 23 0.00  
16 76 57 38 38 30 27 76 47 17 30.19 30.12 30.06 10 10 10 18 4 24 0.00  
17 74 56 38 37 30 24 82 49 16 30.10 30.06 30.02 10 10 10 15 3 22 0.00  
18 78 58 37 35 29 24 76 46 15 30.17 30.11 30.07 10 10 10 14 3 18 0.00  
19 77 58 38 35 29 27 70 44 17 30.18 30.11 30.07 10 10 10 17 4 23 0.00  
20 79 60 41 36 31 28 62 40 17 30.14 30.08 30.02 10 10 10 14 2 20 0.00  
21 79 60 40 35 29 26 65 40 15 30.12 30.05 30.00 10 10 10 15 2 24 0.00  
22 79 60 41 37 31 25 65 40 15 30.13 30.09 30.05 10 10 7 17 4 25 0.00  
23 77 61 44 40 35 30 65 42 18 30.16 30.10 30.06 10 10 10 23 4 30 0.00  
24 74 58 41 38 33 28 76 48 20 30.11 30.00 29.89 10 10 10 29 9 36 T Rain
25 72 57 42 34 30 27 58 39 19 29.94 29.88 29.83 10 10 10 29 9 35 0.00  
26 71 53 35 33 30 25 70 45 20 30.03 29.97 29.91 10 10 10 18 4 25 0.00  
27 72 54 35 37 32 29 76 50 23 30.11 30.05 30.01 10 10 10 10 2 15 0.00  
28 73 54 35 36 31 29 76 49 22 30.07 30.03 29.98 10 10 10 16 3 20 0.00  
29 73 55 37 41 33 29 76 49 22 30.14 30.09 30.04 10 10 10 15 2 20 T  
30 75 55 35 34 25 15 76 44 11 30.19 30.12 30.08 10 10 10 20 4 26 0.00