Weather History for KBOI - September, 2011

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Month of September, 2011

  Max Avg Min Sum
Temperature  
Max Temperature 98 °F 86 °F 72 °F
Mean Temperature 80 °F 72 °F 59 °F
Min Temperature 68 °F 56 °F 45 °F
Degree Days  
Heating Degree Days (base 65) 6 0 0 10
Cooling Degree Days (base 65) 15 7 0 211
Growing Degree Days (base 50) 30 22 9 645
Dew Point  
Dew Point 59 °F 38 °F 20 °F
Precipitation  
Precipitation 0.09 in 0.00 in 0.00 in 0.09 in
Snowdepth 0.0 in 0.0 in 0.0 in -
Wind  
Wind 31 mph 6 mph 0 mph
Gust Wind 41 mph 21 mph 16 mph
Sea Level Pressure  
Sea Level Pressure 30.25 in 29.98 in 29.64 in

Monthly Weather History Graph

Monthly Weather History Graph

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Astronomy

Sep. 04, 2011 Rise Set
Actual Time 7:11 AM MDT 8:15 PM MDT
Civil Twilight 6:42 AM MDT 8:44 PM MDT
Nautical Twilight 6:07 AM MDT 9:19 PM MDT
Astronomical Twilight 5:30 AM MDT 9:56 PM MDT
Moon 3:16 PM MDT No Moon Set
Length of Visible Light 14h 02m
Length of Day
13h 03m
Waxing Crescent, 50% of the Moon is Illuminated
Sep 4
Waxing Crescent
Sep 12
Full
Sep 20
Last Quarter
Sep 27
New
Oct 3
First Quarter

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 77 63 48 39 34 25 61 38 15 30.08 29.99 29.83 10 10 10 20 8 26 0.00  
2 81 66 50 36 32 29 48 32 16 30.12 30.04 29.98 10 10 10 16 6 21 0.00  
3 81 65 48 37 33 26 61 38 14 30.18 30.05 30.00 10 10 10 10 4 13 0.00  
4 89 72 55 38 32 27 43 27 11 30.05 29.96 29.86 10 10 10 16 7 18 0.00  
5 90 72 53 39 33 21 47 28 8 29.97 29.89 29.83 10 10 10 10 5 13 0.00  
6 91 77 62 43 38 31 34 25 16 30.12 30.03 29.92 10 10 9 14 7 17 0.00  
7 95 79 62 43 37 33 37 25 12 30.25 30.09 30.03 10 10 9 17 7 21 0.00  
8 91 77 62 41 38 32 43 29 14 30.16 30.08 30.02 10 9 6 21 7 28 0.00  
9 89 74 59 45 41 38 49 33 17 30.15 30.01 29.91 9 7 4 12 4 14 0.00  
10 95 79 62 39 37 34 37 26 14 30.04 29.91 29.83 10 9 6 18 6 25 0.00  
11 94 79 63 43 39 35 42 28 13 29.97 29.88 29.81 10 10 9 26 9 36 0.00  
12 91 80 68 46 43 39 42 30 17 30.11 29.99 29.92 10 10 8 31 10 41 0.00  
13 89 78 66 51 47 43 56 39 21 30.14 30.01 29.92 10 10 10 16 5 23 0.00  
14 88 77 65 46 44 41 45 33 20 29.98 29.86 29.75 10 10 9 18 5 23 0.00  
15 88 75 61 59 46 39 84 52 20 29.84 29.76 29.64 10 10 7 23 9 33 0.09 Rain , Thunderstorm
16 74 64 53 58 48 38 90 60 29 29.96 29.87 29.80 10 9 7 13 6 20 0.00  
17 72 59 45 43 36 29 80 50 20 30.11 30.03 29.89 10 10 10 14 4 20 0.00  
18 80 69 58 40 35 30 40 29 18 30.22 30.12 30.06 10 10 10 13 6 16 0.00  
19 81 68 54 44 41 39 61 42 23 30.14 30.04 29.99 10 10 10 16 7 22 0.00  
20 82 66 50 44 40 37 63 42 21 30.11 30.05 29.99 10 10 10 13 4 16 0.00  
21 84 68 51 41 37 34 59 38 16 30.13 30.04 29.99 10 10 5 13 6 17 0.00  
22 91 73 55 43 37 31 47 31 14 30.13 30.04 30.00 10 10 10 12 5 14 0.00  
23 92 75 57 43 35 28 47 30 12 30.20 30.06 29.94 10 10 9 16 6 21 0.00  
24 98 78 57 36 27 20 43 25 6 30.01 29.83 29.67 10 10 10 17 7 26 0.00  
25 89 76 63 37 31 22 32 23 13 29.87 29.77 29.66 10 10 10 24 9 28 T Rain
26 81 66 50 41 38 35 59 40 21 30.11 30.01 29.90 10 10 10 12 4 14 0.00  
27 86 70 54 42 38 35 59 38 17 30.12 30.01 29.95 10 10 10 13 5 16 0.00  
28 75 64 53 46 42 37 72 50 27 30.22 30.13 30.00 10 10 10 15 7 23 0.00  
29 88 69 50 44 37 32 54 35 16 30.18 30.05 29.91 10 10 10 15 6 20 0.00  
30 90 73 56 45 41 37 55 36 17 30.02 29.87 29.72 10 10 8 16 5 20 0.00