Weather History for Gillette, WY

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Month of September, 2012

  Max Avg Min Sum
Temperature  
Max Temperature 94 °F 79 °F 66 °F
Mean Temperature 79 °F 62 °F 49 °F
Min Temperature 65 °F 44 °F 32 °F
Degree Days  
Heating Degree Days (base 65) 16 4 0 131
Cooling Degree Days (base 65) 14 1 0 39
Growing Degree Days (base 50) 28 12 0 366
Dew Point  
Dew Point 49 °F 31 °F 10 °F
Precipitation  
Precipitation 0.01 in 0.00 in 0.00 in 0.01 in
Snowdepth - - - -
Wind  
Wind 31 mph 9 mph 0 mph
Gust Wind 40 mph 23 mph 16 mph
Sea Level Pressure  
Sea Level Pressure 30.39 in 30.01 in 29.62 in

Monthly Weather History Graph

Monthly Weather History Graph

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Date:

Astronomy

Sep. 25, 2012 Rise Set
Actual Time 6:53 AM MDT 6:52 PM MDT
Civil Twilight 6:24 AM MDT 7:21 PM MDT
Nautical Twilight 5:50 AM MDT 7:55 PM MDT
Astronomical Twilight 5:16 AM MDT 8:30 PM MDT
Moon 4:27 PM MDT (9/25) 2:08 AM MDT (9/25)
Length of Visible Light 12h 57m
Length of Day
11h 59m
Waxing Gibbous, 80% of the Moon is Illuminated
Sep 25
Waxing Gibbous
Sep 29
Full
Oct 8
Last Quarter
Oct 15
New
Oct 21
First Quarter

Weather History Calendar

Precipitation Actual month total 0.01 Normal Month Total: 1.19
Sunday Monday Tuesday Wednesday Thursday Friday Saturday
 
Scattered Clouds
Actual:
93 | 65 0.00
Average:
81 | 49 0.04
Scattered Clouds
Actual:
85 | 50 0.00
Average:
81 | 49 0.03
Clear
Actual:
84 | 47 0.00
Average:
80 | 48 0.03
Clear
Actual:
81 | 43 0.00
Average:
80 | 48 0.04
Clear
Actual:
83 | 38 0.00
Average:
79 | 48 0.04
Scattered Clouds
Actual:
73 | 44 T
Average:
79 | 47 0.04
Scattered Clouds
Actual:
72 | 45 0.00
Average:
78 | 47 0.03
Clear
Actual:
81 | 49 0.00
Average:
78 | 46 0.04
Clear
Actual:
91 | 53 0.00
Average:
77 | 46 0.04
Thunderstorm
Actual:
94 | 62 0.00
Average:
77 | 46 0.03
Clear
Actual:
71 | 39 0.00
Average:
76 | 45 0.04
Scattered Clouds
Actual:
68 | 32 0.00
Average:
76 | 45 0.03
Clear
Actual:
74 | 32 0.00
Average:
75 | 45 0.04
Clear
Actual:
87 | 41 0.00
Average:
74 | 44 0.03
Clear
Actual:
87 | 40 0.00
Average:
74 | 44 0.03
Scattered Clouds
Actual:
75 | 37 0.01
Average:
73 | 43 0.03
Scattered Clouds
Actual:
66 | 32 0.00
Average:
73 | 43 0.04
Clear
Actual:
81 | 50 0.00
Average:
72 | 43 0.03
Clear
Actual:
72 | 43 0.00
Average:
71 | 42 0.04
Clear
Actual:
76 | 43 0.00
Average:
71 | 42 0.05
Clear
Actual:
76 | 40 0.00
Average:
70 | 41 0.05
Clear
Actual:
77 | 33 0.00
Average:
70 | 41 0.05
Clear
Actual:
78 | 49 0.00
Average:
69 | 41 0.05
Clear
Actual:
78 | 47 0.00
Average:
69 | 40 0.05
Clear
Actual:
79 | 43 0.00
Average:
68 | 40 0.05
Clear
Actual:
79 | 44 0.00
Average:
67 | 39 0.04
Thunderstorm
Actual:
76 | 45 T
Average:
67 | 39 0.05
Clear
Actual:
77 | 44 0.00
Average:
66 | 38 0.04
Scattered Clouds
Actual:
80 | 50 0.00
Average:
66 | 38 0.04
Scattered Clouds
Actual:
77 | 50 0.00
Average:
65 | 38 0.05
 

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 93 79 65 49 45 40 47 32 17 29.87 29.75 29.70 10 10 10 31 17 40 0.00  
2 85 68 50 44 38 32 61 39 16 29.99 29.91 29.81 10 10 10 25 6 29 0.00  
3 84 66 47 36 26 20 52 31 9 30.00 29.93 29.88 10 10 10 21 8 24 0.00  
4 81 62 43 35 24 17 52 31 9 30.08 29.92 29.83 10 10 10 24 12 30 0.00  
5 83 61 38 36 29 24 76 44 12 30.12 29.97 29.83 10 10 10 17 6 29 0.00  
6 73 59 44 42 33 27 57 40 23 30.13 29.98 29.83 10 10 10 23 12 29 T  
7 72 59 45 48 40 30 93 60 26 30.28 30.22 30.15 10 10 10 14 5 23 0.00  
8 81 65 49 37 30 22 61 37 12 30.33 30.20 30.12 10 10 10 18 9 25 0.00  
9 91 72 53 37 25 14 54 30 6 30.09 29.91 29.69 10 10 10 26 14 36 0.00  
10 94 78 62 44 31 19 38 25 11 29.81 29.68 29.62 10 10 10 28 14 37 0.00 Thunderstorm
11 71 55 39 42 28 23 45 32 18 30.11 29.90 29.65 10 10 9 21 9 24 0.00  
12 68 50 32 27 23 19 61 40 19 30.35 30.23 30.12 10 10 10 18 3 22 0.00  
13 74 53 32 26 20 15 61 37 12 30.39 30.36 30.32 10 10 10 21 8 32 0.00  
14 87 64 41 24 20 13 43 25 6 30.38 30.19 30.00 10 10 10 21 11 35 0.00  
15 87 64 40 26 18 10 48 27 5 30.06 29.99 29.92 10 10 10 15 3 15 0.00  
16 75 56 37 40 27 18 63 39 15 30.15 30.02 29.92 10 10 10 23 9 29 0.01  
17 66 49 32 39 32 25 92 59 26 30.21 30.14 30.06 10 10 10 17 5 20 0.00  
18 81 66 50 32 29 27 44 29 14 30.05 29.95 29.83 10 10 10 25 12 31 0.00  
19 72 58 43 33 28 24 42 31 19 30.14 30.04 29.83 10 10 10 22 12 28 0.00  
20 76 60 43 32 29 27 46 32 18 30.14 30.03 29.97 10 10 10 31 13 38 0.00  
21 76 58 40 34 31 27 57 39 21 30.15 30.08 30.04 10 10 8 23 11 30 0.00  
22 77 55 33 34 30 27 70 44 18 30.22 30.15 30.09 10 10 10 12 4 14 0.00  
23 78 64 49 32 30 29 44 31 18 30.10 30.04 30.00 10 10 10 15 8 17 0.00  
24 78 63 47 33 30 24 54 35 15 30.00 29.93 29.85 10 10 6 13 5 18 0.00  
25 79 61 43 40 28 21 55 34 12 30.01 29.90 29.83 10 10 10 13 6 17 0.00  
26 79 62 44 43 38 32 76 48 19 30.05 29.98 29.91 10 10 10 20 10 24 0.00  
27 76 61 45 47 42 35 68 46 23 30.16 30.06 30.00 10 10 9 18 7 24 T Rain , Thunderstorm
28 77 61 44 46 41 34 86 57 27 30.09 30.00 29.91 10 10 10 26 14 33 0.00  
29 80 65 50 39 36 33 66 43 19 29.99 29.94 29.90 10 10 10 20 9 23 0.00  
30 77 64 50 38 36 32 54 39 23 30.17 30.05 29.98 10 10 10 26 10 33 0.00