Weather History for Casper, WY

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Month of May, 2012

  Max Avg Min Sum
Temperature  
Max Temperature 88 °F 70 °F 52 °F
Mean Temperature 70 °F 54 °F 43 °F
Min Temperature 57 °F 37 °F 24 °F
Degree Days  
Heating Degree Days (base 65) 22 11 0 347
Cooling Degree Days (base 65) 5 0 0 9
Growing Degree Days (base 50) 20 6 0 171
Dew Point  
Dew Point 50 °F 29 °F 1 °F
Precipitation  
Precipitation 0.39 in 0.07 in 0.00 in 1.75 in
Snowdepth 0.0 in 0.0 in 0.0 in -
Wind  
Wind 37 mph 10 mph 0 mph
Gust Wind 52 mph 26 mph 16 mph
Sea Level Pressure  
Sea Level Pressure 30.33 in 29.89 in 29.44 in

Monthly Weather History Graph

Monthly Weather History Graph

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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

May. 17, 2012 Rise Set
Actual Time 5:40 AM MDT 8:24 PM MDT
Civil Twilight 5:07 AM MDT 8:57 PM MDT
Nautical Twilight 4:26 AM MDT 9:39 PM MDT
Astronomical Twilight 3:38 AM MDT 10:27 PM MDT
Moon 3:44 AM MDT (5/17) 5:36 PM MDT (5/17)
Length of Visible Light 15h 50m
Length of Day
14h 44m
Waning Crescent, 9% of the Moon is Illuminated
May 17
Waning Crescent
May 20
New
May 28
First Quarter
Jun 4
Full
Jun 11
Last Quarter

Weather History Calendar

Precipitation Actual month total 1.75 Normal Month Total: 2.02
Sunday Monday Tuesday Wednesday Thursday Friday Saturday
 
Partly Cloudy
Actual:
68 | 38 0.00
Average:
62 | 33 0.06
Scattered Clouds
Actual:
74 | 33 T
Average:
62 | 33 0.06
Rain
Actual:
71 | 27 T
Average:
63 | 33 0.06
Scattered Clouds
Actual:
75 | 38 0.00
Average:
63 | 34 0.06
Thunderstorm
Actual:
66 | 34 0.39
Average:
63 | 34 0.07
Fog
Actual:
58 | 32 0.00
Average:
64 | 34 0.06
Clear
Actual:
60 | 26 0.00
Average:
64 | 35 0.06
Clear
Actual:
68 | 26 0.00
Average:
64 | 35 0.07
Clear
Actual:
81 | 34 0.00
Average:
65 | 35 0.07
Scattered Clouds
Actual:
81 | 42 0.00
Average:
65 | 36 0.06
Partly Cloudy
Actual:
58 | 34 0.00
Average:
65 | 36 0.07
Clear
Actual:
67 | 24 0.00
Average:
66 | 36 0.07
Clear
Actual:
73 | 29 0.00
Average:
66 | 36 0.06
Clear
Actual:
82 | 41 0.00
Average:
66 | 37 0.07
Clear
Actual:
84 | 37 0.00
Average:
67 | 37 0.07
Clear
Actual:
88 | 46 0.00
Average:
67 | 37 0.06
Rain
Actual:
83 | 57 T
Average:
67 | 38 0.07
Thunderstorm
Actual:
71 | 45 0.25
Average:
68 | 38 0.07
Rain
Actual:
61 | 41 0.07
Average:
68 | 38 0.07
Scattered Clouds
Actual:
75 | 38 0.00
Average:
69 | 39 0.07
Clear
Actual:
83 | 42 0.00
Average:
69 | 39 0.07
Scattered Clouds
Actual:
83 | 50 0.03
Average:
69 | 39 0.06
Rain
Actual:
64 | 42 0.34
Average:
70 | 39 0.07
Rain
Actual:
52 | 36 0.25
Average:
70 | 40 0.07
Rain
Actual:
57 | 38 0.16
Average:
70 | 40 0.06
Thunderstorm
Actual:
57 | 38 0.26
Average:
71 | 40 0.06
Rain
Actual:
64 | 34 T
Average:
71 | 40 0.07
Scattered Clouds
Actual:
67 | 38 0.00
Average:
71 | 41 0.06
Scattered Clouds
Actual:
73 | 32 0.00
Average:
72 | 41 0.06
Partly Cloudy
Actual:
63 | 41 0.00
Average:
72 | 41 0.07
Rain
Actual:
74 | 46 T
Average:
72 | 41 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
May high avg low high avg low high avg low high avg low high avg low high avg high sum  
1 68 53 38 37 25 15 59 37 15 29.73 29.59 29.49 10 10 10 35 18 52 0.00  
2 74 54 33 39 21 1 64 36 7 29.85 29.69 29.60 10 10 0 31 15 47 T  
3 71 49 27 38 29 22 78 50 22 29.91 29.80 29.68 10 10 10 18 6 38 T Rain
4 75 57 38 43 34 29 76 48 20 29.86 29.80 29.74 10 10 10 17 7 25 0.00  
5 66 50 34 46 41 32 89 69 48 30.22 29.94 29.77 10 9 2 20 10 36 0.39 Rain , Thunderstorm
6 58 45 32 34 27 16 96 58 20 30.30 30.22 30.16 10 8 0 12 4 - 0.00 Fog
7 60 43 26 26 22 19 81 51 20 30.33 30.24 30.14 10 10 10 13 7 - 0.00  
8 68 47 26 25 21 16 75 45 14 30.24 30.11 29.99 10 10 10 14 6 32 0.00  
9 81 58 34 27 21 17 64 37 9 30.03 29.83 29.68 10 10 10 23 9 30 0.00  
10 81 62 42 33 24 18 62 37 11 30.00 29.74 29.57 10 10 10 36 17 50 0.00  
11 58 46 34 27 21 13 59 42 24 30.25 30.15 30.01 10 10 9 20 13 31 0.00  
12 67 46 24 24 19 11 69 41 13 30.32 30.24 30.17 10 10 10 16 7 23 0.00  
13 73 51 29 32 19 9 69 39 9 30.27 30.20 30.12 10 10 10 10 5 - 0.00  
14 82 62 41 22 15 11 31 20 8 30.14 30.07 29.98 10 10 10 16 9 17 0.00  
15 84 61 37 26 23 16 52 31 9 30.12 30.01 29.87 10 10 10 13 5 21 0.00  
16 88 67 46 28 22 14 42 25 7 29.88 29.75 29.65 10 10 10 25 12 44 0.00  
17 83 70 57 34 29 22 36 23 10 29.76 29.62 29.52 10 10 10 18 11 37 T Rain
18 71 58 45 46 42 38 86 61 35 29.93 29.69 29.51 10 9 2 20 10 31 0.25 Rain , Thunderstorm
19 61 51 41 41 34 27 89 59 29 30.07 30.02 29.86 10 10 9 18 7 25 0.07 Rain
20 75 57 38 39 34 27 86 52 17 30.12 30.06 30.01 10 10 10 12 4 21 0.00  
21 83 63 42 38 32 25 65 39 12 30.03 29.93 29.75 10 10 10 15 7 23 0.00  
22 83 67 50 41 28 23 64 39 13 29.73 29.54 29.44 10 10 10 37 20 50 0.03  
23 64 53 42 43 37 27 89 57 25 29.78 29.58 29.47 10 9 2 27 15 33 0.34 Rain
24 52 44 36 39 36 31 92 71 50 29.86 29.73 29.61 10 9 4 9 5 - 0.25 Rain
25 57 48 38 45 39 36 100 83 66 29.84 29.77 29.65 10 8 2 27 16 37 0.16 Rain
26 57 48 38 50 43 36 100 89 77 29.84 29.72 29.58 10 5 0 20 12 33 0.26 Fog , Rain , Thunderstorm
27 64 49 34 38 30 24 82 53 24 29.79 29.72 29.66 10 10 10 37 24 51 T Rain
28 67 53 38 37 29 21 76 48 20 30.08 29.90 29.79 10 10 10 24 18 39 0.00  
29 73 53 32 39 32 26 96 58 20 30.07 29.97 29.86 10 10 10 16 6 32 0.00  
30 63 52 41 43 39 33 86 63 39 30.09 29.97 29.84 10 10 10 17 9 23 0.00  
31 74 60 46 41 35 30 77 50 22 30.10 29.99 29.85 10 10 10 10 5 22 T Rain