Weather History for Riverton, WY

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Month of May, 2014

  Max Avg Min Sum
Temperature  
Max Temperature 88 °F 69 °F 38 °F
Mean Temperature 71 °F 55 °F 35 °F
Min Temperature 57 °F 41 °F 26 °F
Degree Days  
Heating Degree Days (base 65) 30 11 0 326
Cooling Degree Days (base 65) 6 0 0 15
Growing Degree Days (base 50) 21 7 0 222
Dew Point  
Dew Point 50 °F 32 °F 8 °F
Precipitation  
Precipitation 0.21 in 0.03 in 0.00 in 0.70 in
Snowdepth 0.0 in 0.0 in 0.0 in -
Wind  
Wind 44 mph 10 mph 0 mph
Gust Wind 55 mph 27 mph 16 mph
Sea Level Pressure  
Sea Level Pressure 30.50 in 29.92 in 29.47 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. 12, 2014 Rise Set
Actual Time 5:53 AM MDT 8:27 PM MDT
Civil Twilight 5:21 AM MDT 8:59 PM MDT
Nautical Twilight 4:40 AM MDT 9:40 PM MDT
Astronomical Twilight 3:55 AM MDT 10:26 PM MDT
Moon 6:25 PM MDT (5/12) 4:38 AM MDT (5/12)
Length of Visible Light 15h 38m
Length of Day
14h 33m
Waxing Gibbous, 95% of the Moon is Illuminated
May 12
Waxing Gibbous
May 14
Full
May 21
Last Quarter
May 28
New
Jun 5
First Quarter

Weather History Calendar

Precipitation Actual month total 0.70 Normal Month Total: 1.72
Sunday Monday Tuesday Wednesday Thursday Friday Saturday
 
Clear
Actual:
65 | 27 0.00
Average:
62 | 36 0.06
Clear
Actual:
76 | 38 0.00
Average:
63 | 36 0.06
Clear
Actual:
82 | 44 0.00
Average:
63 | 36 0.05
Clear
Actual:
75 | 38 0.00
Average:
63 | 37 0.06
Scattered Clouds
Actual:
74 | 39 0.00
Average:
64 | 37 0.06
Thunderstorm
Actual:
63 | 35 0.15
Average:
64 | 37 0.05
Snow
Actual:
38 | 32 0.21
Average:
64 | 38 0.05
Snow
Actual:
52 | 32 0.03
Average:
65 | 38 0.06
Scattered Clouds
Actual:
60 | 36 0.00
Average:
65 | 38 0.06
Scattered Clouds
Actual:
57 | 33 T
Average:
65 | 39 0.06
Snow
Actual:
39 | 31 0.02
Average:
66 | 39 0.05
Snow
Actual:
46 | 29 0.13
Average:
66 | 39 0.07
Scattered Clouds
Actual:
55 | 26 0.00
Average:
66 | 40 0.06
Scattered Clouds
Actual:
62 | 28 0.00
Average:
67 | 40 0.06
Scattered Clouds
Actual:
68 | 34 0.00
Average:
67 | 40 0.05
Scattered Clouds
Actual:
63 | 44 0.00
Average:
67 | 41 0.06
Clear
Actual:
71 | 38 0.00
Average:
68 | 41 0.06
Clear
Actual:
79 | 42 0.00
Average:
68 | 41 0.06
Partly Cloudy
Actual:
69 | 46 0.00
Average:
68 | 42 0.06
Rain
Actual:
68 | 43 T
Average:
69 | 42 0.06
Partly Cloudy
Actual:
69 | 50 0.00
Average:
69 | 42 0.06
Thunderstorm
Actual:
79 | 44 0.08
Average:
69 | 42 0.06
Thunderstorm
Actual:
75 | 49 0.02
Average:
70 | 43 0.06
Thunderstorm
Actual:
75 | 48 T
Average:
70 | 43 0.06
Scattered Clouds
Actual:
76 | 47 0.00
Average:
70 | 43 0.05
Thunderstorm
Actual:
83 | 46 0.06
Average:
70 | 43 0.04
Clear
Actual:
87 | 53 0.00
Average:
71 | 44 0.05
Clear
Actual:
88 | 46 T
Average:
71 | 44 0.04
Thunderstorm
Actual:
84 | 57 0.00
Average:
71 | 44 0.05
Scattered Clouds
Actual:
73 | 52 T
Average:
72 | 44 0.04
Rain
Actual:
84 | 49 T
Average:
72 | 45 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

2014 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 65 46 27 23 18 14 57 38 19 30.34 30.19 30.06 10 10 10 18 7 23 0.00  
2 76 57 38 31 20 9 50 29 8 30.04 29.90 29.79 10 10 10 32 13 42 0.00  
3 82 63 44 29 18 8 41 24 7 29.92 29.71 29.61 10 10 10 32 12 42 0.00  
4 75 57 38 39 26 15 86 49 11 29.84 29.68 29.62 10 10 10 43 11 52 0.00  
5 74 57 39 36 26 17 65 42 18 29.84 29.68 29.55 10 10 10 31 10 39 0.00  
6 63 49 35 42 37 26 85 62 38 29.67 29.59 29.47 10 10 9 31 14 37 0.15 Rain , Thunderstorm
7 38 35 32 35 32 30 100 88 76 29.94 29.82 29.69 10 5 0 23 12 28 0.21 Fog , Rain , Snow
8 52 42 32 33 31 29 96 69 41 29.98 29.91 29.84 10 9 2 10 5 14 0.03 Snow
9 60 48 36 34 30 27 85 59 33 29.85 29.73 29.61 10 10 10 31 9 38 0.00  
10 57 45 33 34 28 18 79 52 24 29.91 29.77 29.68 10 10 10 30 12 35 T  
11 39 35 31 32 27 23 100 75 50 30.29 30.13 29.89 10 6 0 31 18 39 0.02 Fog , Rain , Snow
12 46 38 29 33 27 16 92 63 33 30.48 30.33 30.23 10 6 0 20 10 25 0.13 Fog , Snow
13 55 41 26 27 21 15 84 54 24 30.50 30.44 30.37 10 10 10 18 7 25 0.00  
14 62 45 28 31 25 19 92 56 20 30.43 30.34 30.22 10 10 10 13 6 16 0.00  
15 68 51 34 34 29 26 75 48 21 30.23 30.12 29.98 10 10 10 17 6 22 0.00  
16 63 54 44 40 36 27 76 55 34 30.20 30.02 29.93 10 10 10 25 10 33 0.00  
17 71 55 38 41 37 30 92 58 23 29.97 29.86 29.73 10 10 10 12 5 16 0.00  
18 79 61 42 43 29 12 89 50 10 29.73 29.60 29.48 10 10 10 33 12 39 0.00  
19 69 58 46 32 26 17 54 35 15 29.96 29.72 29.57 10 10 10 24 9 31 0.00  
20 68 56 43 42 35 29 71 49 26 29.98 29.89 29.82 10 10 10 22 11 27 T Rain
21 69 60 50 48 43 41 80 58 36 30.13 29.98 29.89 10 10 10 14 6 17 0.00  
22 79 62 44 48 43 32 100 60 19 30.13 30.02 29.94 10 10 6 32 10 43 0.08 Rain , Thunderstorm
23 75 62 49 50 45 39 83 56 29 30.15 29.98 29.84 10 10 9 24 9 32 0.02 Rain , Thunderstorm
24 75 62 48 48 43 38 83 55 27 30.06 29.88 29.79 10 10 10 36 10 42 T Rain , Thunderstorm
25 76 62 47 47 43 36 86 55 23 30.10 29.91 29.83 10 10 10 21 8 25 0.00  
26 83 65 46 46 39 28 86 51 15 30.00 29.89 29.82 10 10 3 32 8 40 0.06 Rain , Thunderstorm
27 87 70 53 39 31 16 51 30 9 30.04 29.90 29.80 10 10 10 26 12 32 0.00  
28 88 67 46 41 33 26 46 30 13 29.94 29.84 29.74 10 10 10 44 11 55 T  
29 84 71 57 46 38 30 56 36 16 30.02 29.83 29.70 10 10 10 26 12 32 0.00 Thunderstorm
30 73 63 52 49 46 41 83 55 27 30.15 29.98 29.91 10 10 10 22 10 27 T  
31 84 67 49 46 37 16 77 43 9 30.06 29.83 29.66 10 10 10 29 11 35 T Rain