Weather History for Casper, WY

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Month of September, 2013

  Max Avg Min Sum
Temperature  
Max Temperature 95 °F 76 °F 38 °F
Mean Temperature 79 °F 62 °F 34 °F
Min Temperature 65 °F 47 °F 27 °F
Degree Days  
Heating Degree Days (base 65) 31 6 0 167
Cooling Degree Days (base 65) 14 3 0 80
Growing Degree Days (base 50) 30 13 0 380
Dew Point  
Dew Point 61 °F 42 °F 20 °F
Precipitation  
Precipitation 0.58 in 0.05 in 0.00 in 1.47 in
Snowdepth 0.0 in 0.0 in 0.0 in -
Wind  
Wind 44 mph 10 mph 0 mph
Gust Wind 128 mph 26 mph 16 mph
Sea Level Pressure  
Sea Level Pressure 30.25 in 29.89 in 29.30 in

Monthly Weather History Graph

Monthly Weather History Graph

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Date:

Astronomy

Sep. 17, 2013 Rise Set
Actual Time 6:48 AM MDT 7:11 PM MDT
Civil Twilight 6:19 AM MDT 7:39 PM MDT
Nautical Twilight 5:46 AM MDT 8:13 PM MDT
Astronomical Twilight 5:11 AM MDT 8:47 PM MDT
Moon 6:01 PM MDT (9/17) 4:43 AM MDT (9/17)
Length of Visible Light 13h 20m
Length of Day
12h 23m
Waxing Gibbous, 96% of the Moon is Illuminated
Sep 17
Waxing Gibbous
Sep 19
Full
Sep 26
Last Quarter
Oct 4
New
Oct 11
First Quarter

Weather History Calendar

Precipitation Actual month total 1.47 Normal Month Total: 1.08
Sunday Monday Tuesday Wednesday Thursday Friday Saturday
Clear
Actual:
89 | 48 0.00
Average:
82 | 47 0.03
Thunderstorm
Actual:
91 | 52 0.03
Average:
81 | 47 0.02
Clear
Actual:
91 | 59 0.00
Average:
81 | 47 0.03
Scattered Clouds
Actual:
95 | 56 0.00
Average:
81 | 46 0.02
Clear
Actual:
94 | 57 T
Average:
80 | 46 0.03
Clear
Actual:
92 | 65 0.00
Average:
80 | 45 0.03
Thunderstorm
Actual:
91 | 56 0.00
Average:
79 | 45 0.04
Rain
Actual:
89 | 56 0.01
Average:
79 | 45 0.03
Scattered Clouds
Actual:
76 | 54 0.00
Average:
78 | 44 0.04
Partly Cloudy
Actual:
70 | 53 0.00
Average:
78 | 44 0.03
Rain
Actual:
65 | 51 0.05
Average:
77 | 43 0.04
Rain
Actual:
66 | 52 0.06
Average:
76 | 43 0.03
Rain
Actual:
67 | 53 0.13
Average:
76 | 43 0.04
Thunderstorm
Actual:
77 | 48 0.11
Average:
75 | 42 0.03
Rain
Actual:
66 | 51 0.02
Average:
75 | 42 0.04
Fog
Actual:
80 | 43 0.00
Average:
74 | 41 0.03
Clear
Actual:
84 | 56 0.00
Average:
74 | 41 0.04
Thunderstorm
Actual:
80 | 39 0.04
Average:
73 | 40 0.04
Clear
Actual:
66 | 33 0.00
Average:
72 | 40 0.04
Clear
Actual:
75 | 27 0.00
Average:
72 | 40 0.04
Clear
Actual:
83 | 47 0.00
Average:
71 | 39 0.04
Scattered Clouds
Actual:
78 | 54 T
Average:
71 | 39 0.04
Partly Cloudy
Actual:
70 | 39 T
Average:
70 | 38 0.04
Clear
Actual:
76 | 43 0.00
Average:
70 | 38 0.04
Thunderstorm
Actual:
79 | 42 0.15
Average:
69 | 37 0.05
Thunderstorm
Actual:
59 | 34 0.29
Average:
69 | 37 0.04
Snow
Actual:
38 | 30 0.58
Average:
68 | 37 0.04
Clear
Actual:
59 | 32 0.00
Average:
67 | 36 0.04
Clear
Actual:
70 | 47 0.00
Average:
67 | 36 0.04
Clear
Actual:
75 | 39 0.00
Average:
66 | 36 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

2013 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 69 48 49 42 37 71 44 17 30.06 29.98 29.91 10 10 10 15 6 20 0.00  
2 91 72 52 61 52 45 90 57 24 30.05 29.93 29.82 10 10 10 23 6 28 0.03 Rain , Thunderstorm
3 91 75 59 58 52 45 84 53 21 29.97 29.93 29.87 10 10 10 16 8 25 0.00  
4 95 76 56 52 49 43 77 48 18 30.06 29.99 29.94 10 10 10 16 7 21 0.00  
5 94 76 57 51 47 43 72 45 18 30.03 29.96 29.88 10 10 10 21 10 28 T  
6 92 79 65 48 45 39 45 31 17 30.12 29.93 29.86 10 10 10 25 7 33 0.00  
7 91 74 56 53 46 43 67 43 19 30.10 29.94 29.86 10 10 10 24 7 31 0.00 Rain , Thunderstorm
8 89 73 56 56 52 43 80 51 21 30.12 29.87 29.75 10 10 10 25 7 33 0.01 Rain
9 76 65 54 55 50 42 86 60 33 29.95 29.86 29.77 10 10 10 14 6 18 0.00  
10 70 62 53 52 47 41 93 65 36 30.09 30.04 29.98 10 10 10 14 7 17 0.00  
11 65 58 51 56 50 46 87 72 56 30.22 30.15 30.08 10 10 7 17 7 24 0.05 Rain
12 66 59 52 56 53 48 89 75 60 30.25 30.18 30.09 10 10 6 22 7 26 0.06 Rain
13 67 60 53 59 55 51 100 84 67 30.10 29.93 29.81 10 9 6 10 4 13 0.13 Rain
14 77 63 48 57 53 47 100 69 38 30.13 29.89 29.80 10 10 9 17 8 24 0.11 Rain , Thunderstorm
15 66 59 51 56 53 50 93 78 63 30.25 30.09 29.96 10 10 3 25 13 32 0.02 Rain
16 80 62 43 52 46 39 100 63 25 30.19 30.03 29.83 10 5 0 22 7 29 0.00 Fog
17 84 70 56 49 46 40 67 45 22 29.83 29.73 29.59 10 10 10 37 17 47 0.00  
18 80 60 39 51 40 24 96 57 17 29.90 29.71 29.57 10 10 7 35 13 43 0.04 Rain , Thunderstorm
19 66 50 33 39 32 24 96 59 22 30.15 30.07 29.91 10 10 10 16 6 23 0.00  
20 75 51 27 35 27 20 92 53 13 30.17 30.02 29.85 10 10 10 18 8 24 0.00  
21 83 65 47 32 27 22 42 26 10 29.84 29.71 29.59 10 10 10 28 14 36 0.00  
22 78 66 54 47 41 32 71 49 27 29.60 29.52 29.47 10 10 10 30 14 39 T  
23 70 55 39 45 36 25 86 53 20 29.94 29.74 29.47 10 10 10 22 9 128 T  
24 76 60 43 34 30 26 53 35 16 30.03 29.83 29.63 10 10 10 28 15 37 0.00  
25 79 61 42 43 33 25 89 52 14 29.77 29.53 29.30 10 10 6 36 14 53 0.15 Rain , Thunderstorm
26 59 47 34 42 38 33 92 70 47 29.88 29.75 29.60 10 9 5 25 13 33 0.29 Rain , Thunderstorm
27 38 34 30 34 31 29 100 93 85 30.07 29.96 29.86 10 5 1 15 7 20 0.58 Rain , Snow
28 59 46 32 36 32 28 89 63 37 30.11 30.05 29.99 10 10 10 31 18 43 0.00  
29 70 59 47 33 31 28 54 38 22 29.95 29.80 29.69 10 10 10 44 24 54 0.00  
30 75 57 39 41 33 29 89 55 20 29.84 29.67 29.57 10 10 10 44 21 59 0.00