Lewistown, MT

11:07 AM MDT on July 21, 2017 (GMT -0600)
Lewistown Municipal

Weather History for KLWT - September, 2011

Change the Weather History Date:

Month of September, 2011

  Max Avg Min Sum
Temperature  
Max Temperature 91 °F 76 °F 58 °F
Mean Temperature 69 °F 59 °F 45 °F
Min Temperature 50 °F 41 °F 31 °F
Degree Days  
Heating Degree Days (base 65) 20 7 0 201
Cooling Degree Days (base 65) 4 0 0 14
Growing Degree Days (base 50) 19 9 0 271
Dew Point  
Dew Point 51 °F 34 °F 18 °F
Precipitation  
Precipitation 0.05 in 0.00 in 0.00 in 0.09 in
Snowdepth 0.0 in 0.0 in 0.0 in -
Wind  
Wind 32 mph 8 mph 0 mph
Gust Wind 45 mph 23 mph 16 mph
Sea Level Pressure  
Sea Level Pressure 30.46 in 30.05 in 29.63 in

Monthly Weather History Graph

Monthly Weather History Graph

Search for Another Location

Airport or City:

Trip Planner

Search our weather history database for the weather conditions in past years. The results will help you decide how hot, cold, wet, or windy it might be!

Date:

Astronomy

Sep. 05, 2011 Rise Set
Actual Time 6:42 AM MDT 7:50 PM MDT
Civil Twilight 6:10 AM MDT 8:21 PM MDT
Nautical Twilight 5:33 AM MDT 8:58 PM MDT
Astronomical Twilight 4:53 AM MDT 9:38 PM MDT
Moon 3:57 PM MDT (9/5) No Moon Set
Length of Visible Light 14h 10m
Length of Day
13h 07m
First Quarter, 61% of the Moon is Illuminated
Sep 5
First Quarter
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 58 49 40 49 45 38 100 81 61 30.08 30.03 29.93 10 10 10 18 7 22 0.02 Rain
2 69 54 38 39 34 30 85 55 24 30.19 29.99 29.89 10 10 10 32 15 45 0.00  
3 63 49 34 38 33 27 89 57 25 30.37 30.31 30.25 10 10 10 13 6 15 0.00  
4 79 58 36 35 31 23 76 45 14 30.28 30.09 29.93 10 10 10 13 6 18 0.00  
5 84 65 45 38 32 25 58 36 13 29.94 29.91 29.86 10 10 10 12 5 15 0.00  
6 83 64 44 35 31 24 60 36 12 30.19 30.09 29.94 10 10 10 12 4 16 0.00  
7 86 66 46 38 32 30 53 33 13 30.29 30.23 30.19 10 10 6 13 5 15 0.00  
8 86 68 49 37 31 28 54 34 13 30.27 30.20 30.14 10 10 10 15 7 18 0.00  
9 84 65 46 37 34 30 60 38 16 30.24 30.17 30.12 10 10 10 16 7 22 0.00  
10 83 64 45 38 33 29 65 40 14 30.16 30.09 30.03 10 10 10 13 5 17 0.00  
11 86 66 46 38 33 28 65 39 13 30.03 29.94 29.83 10 10 10 21 7 28 0.00  
12 76 59 42 46 42 38 89 60 31 30.20 30.07 29.98 10 10 10 22 8 30 0.00  
13 66 55 44 41 39 34 83 61 39 30.26 30.21 30.15 10 10 10 20 9 25 0.00  
14 58 49 39 39 37 35 83 67 50 30.31 30.22 30.08 10 10 10 24 15 32 0.00  
15 80 58 36 40 37 34 92 56 19 30.04 29.86 29.72 10 10 10 12 4 18 0.00  
16 67 57 47 51 42 37 64 49 34 29.81 29.76 29.67 10 10 10 16 6 22 0.02 Rain
17 68 54 39 40 30 22 82 50 18 30.01 29.88 29.80 10 10 10 23 8 29 0.00  
18 69 55 40 38 33 24 61 46 30 30.07 30.04 30.01 10 10 10 25 9 33 0.00  
19 70 53 36 45 39 35 96 63 30 30.21 30.04 29.82 10 10 6 28 15 39 0.05 Rain
20 58 45 31 37 33 30 92 64 36 30.32 30.26 30.18 10 10 10 15 7 20 0.00  
21 71 52 33 34 30 25 89 54 19 30.24 30.15 30.06 10 10 10 12 5 13 0.00  
22 83 62 40 36 30 24 67 40 12 30.05 30.02 29.97 10 10 10 17 7 23 0.00  
23 86 68 50 39 35 30 55 35 15 30.07 30.01 29.94 10 10 10 17 6 23 0.00  
24 87 67 47 36 27 18 61 35 8 30.04 29.95 29.87 10 10 10 10 5 13 0.00  
25 91 69 47 31 27 21 42 25 8 29.86 29.74 29.63 10 10 10 21 8 25 0.00  
26 75 61 47 39 34 30 55 37 19 29.98 29.88 29.68 10 10 10 20 8 24 0.00  
27 85 65 44 42 34 31 65 40 15 29.99 29.93 29.85 10 10 10 25 9 31 0.00  
28 66 51 36 42 32 19 76 50 23 30.40 30.15 29.94 10 10 10 18 7 29 0.00  
29 67 50 32 30 27 22 75 48 20 30.46 30.31 30.08 10 10 10 22 9 28 0.00  
30 88 65 41 33 30 23 65 38 10 30.07 29.94 29.84 10 10 10 25 9 31 0.00