Weather History for Rock Springs, WY

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Month of May, 2013

  Max Avg Min Sum
Temperature  
Max Temperature 81 °F 66 °F 41 °F
Mean Temperature 66 °F 53 °F 32 °F
Min Temperature 50 °F 40 °F 21 °F
Degree Days  
Heating Degree Days (base 65) 33 12 0 371
Cooling Degree Days (base 65) 1 0 0 1
Growing Degree Days (base 50) 16 4 0 135
Dew Point  
Dew Point 48 °F 27 °F 5 °F
Precipitation  
Precipitation 0.31 in 0.03 in 0.00 in 0.56 in
Snowdepth - - - -
Wind  
Wind 45 mph 12 mph 0 mph
Gust Wind 58 mph 27 mph 16 mph
Sea Level Pressure  
Sea Level Pressure 30.74 in 29.94 in 29.52 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. 23, 2013 Rise Set
Actual Time 5:49 AM MDT 8:36 PM MDT
Civil Twilight 5:17 AM MDT 9:09 PM MDT
Nautical Twilight 4:36 AM MDT 9:50 PM MDT
Astronomical Twilight 3:49 AM MDT 10:37 PM MDT
Moon 7:12 PM MDT (5/23) 4:38 AM MDT (5/23)
Length of Visible Light 15h 52m
Length of Day
14h 47m
Waxing Gibbous, 97% of the Moon is Illuminated
May 23
Waxing Gibbous
May 24
Full
May 31
Last Quarter
Jun 8
New
Jun 16
First Quarter

Weather History Calendar

Precipitation Actual month total 0.56 Normal Month Total: 1.21
Sunday Monday Tuesday Wednesday Thursday Friday Saturday
 
Partly Cloudy
Actual:
41 | 23 0.00
Average:
59 | 33 0.04
Clear
Actual:
52 | 21 0.00
Average:
59 | 34 0.04
Scattered Clouds
Actual:
63 | 28 0.00
Average:
59 | 34 0.04
Partly Cloudy
Actual:
62 | 40 T
Average:
60 | 34 0.04
Partly Cloudy
Actual:
63 | 37 0.01
Average:
60 | 35 0.04
Partly Cloudy
Actual:
64 | 37 T
Average:
60 | 35 0.04
Rain
Actual:
58 | 41 0.17
Average:
61 | 35 0.04
Rain
Actual:
60 | 35 0.02
Average:
61 | 36 0.03
Rain
Actual:
65 | 37 T
Average:
61 | 36 0.04
Partly Cloudy
Actual:
69 | 41 T
Average:
62 | 36 0.04
Scattered Clouds
Actual:
70 | 36 0.00
Average:
62 | 36 0.04
Scattered Clouds
Actual:
79 | 45 0.00
Average:
63 | 37 0.04
Scattered Clouds
Actual:
81 | 50 0.00
Average:
63 | 37 0.04
Scattered Clouds
Actual:
81 | 47 0.00
Average:
63 | 37 0.04
Rain
Actual:
77 | 43 T
Average:
64 | 38 0.04
Thunderstorm
Actual:
73 | 44 0.02
Average:
64 | 38 0.04
Partly Cloudy
Actual:
74 | 43 0.00
Average:
64 | 38 0.04
Thunderstorm
Actual:
59 | 39 T
Average:
65 | 38 0.04
Rain
Actual:
55 | 37 0.03
Average:
65 | 39 0.04
Thunderstorm
Actual:
51 | 38 0.31
Average:
65 | 39 0.04
Rain
Actual:
63 | 39 T
Average:
66 | 39 0.04
Clear
Actual:
73 | 42 0.00
Average:
66 | 39 0.04
Clear
Actual:
77 | 46 0.00
Average:
66 | 40 0.04
Clear
Actual:
71 | 38 0.00
Average:
67 | 40 0.03
Clear
Actual:
75 | 47 0.00
Average:
67 | 40 0.04
Clear
Actual:
76 | 45 0.00
Average:
67 | 40 0.04
Clear
Actual:
70 | 47 0.00
Average:
68 | 41 0.04
Rain
Actual:
65 | 43 T
Average:
68 | 41 0.04
Rain
Actual:
60 | 40 T
Average:
68 | 41 0.03
Partly Cloudy
Actual:
59 | 38 T
Average:
69 | 42 0.04
Scattered Clouds
Actual:
63 | 38 0.00
Average:
69 | 42 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
May high avg low high avg low high avg low high avg low high avg low high avg high sum  
1 41 32 23 21 17 9 81 58 34 30.66 30.29 30.04 10 10 10 28 13 36 0.00  
2 52 37 21 19 13 5 84 51 18 30.74 30.60 30.40 10 10 10 17 7 23 0.00  
3 63 46 28 17 8 6 33 22 11 30.37 30.11 29.92 10 10 10 25 6 35 0.00  
4 62 51 40 27 23 18 55 38 20 30.02 29.92 29.85 10 10 10 36 25 41 T  
5 63 50 37 37 26 21 71 46 21 30.04 29.97 29.89 10 10 10 35 17 39 0.01  
6 64 51 37 37 31 25 71 48 25 29.99 29.91 29.80 10 10 10 30 9 36 T  
7 58 50 41 42 38 33 89 66 43 30.05 29.94 29.84 10 9 2 21 8 24 0.17 Rain
8 60 48 35 42 36 28 92 63 33 30.10 29.99 29.92 10 10 7 37 9 45 0.02 Rain
9 65 51 37 38 31 25 85 54 22 30.22 30.08 30.01 10 10 9 31 7 37 T Rain
10 69 55 41 38 29 17 76 46 16 30.38 30.18 30.12 10 10 10 21 7 28 T  
11 70 53 36 32 27 21 70 43 16 30.31 30.23 30.14 10 10 10 25 7 31 0.00  
12 79 62 45 32 29 26 49 32 15 30.19 30.10 30.02 10 10 10 24 11 30 0.00  
13 81 66 50 32 29 24 41 27 13 30.10 30.01 29.89 10 10 10 21 9 25 0.00  
14 81 64 47 30 26 22 41 27 12 29.91 29.85 29.77 10 10 10 24 8 32 0.00  
15 77 60 43 43 30 24 63 40 17 30.02 29.82 29.73 10 10 8 36 9 43 T Rain
16 73 59 44 48 40 30 83 53 22 29.97 29.82 29.70 10 10 6 45 8 58 0.02 Rain , Thunderstorm
17 74 59 43 43 36 19 92 53 14 29.90 29.77 29.67 10 10 10 33 11 43 0.00  
18 59 49 39 40 34 28 73 54 35 30.00 29.87 29.80 10 10 10 35 14 40 T Rain , Thunderstorm
19 55 46 37 41 33 28 89 64 38 29.95 29.90 29.87 10 10 5 30 13 36 0.03 Rain
20 51 45 38 42 39 36 100 83 66 30.19 30.08 29.96 10 8 2 12 7 22 0.31 Rain , Thunderstorm
21 63 51 39 40 36 29 92 60 27 30.19 29.99 29.79 10 10 5 17 5 31 T Rain
22 73 58 42 38 29 20 70 42 13 29.78 29.65 29.55 10 10 10 31 13 38 0.00  
23 77 62 46 32 22 14 58 34 9 29.81 29.59 29.52 10 10 10 40 18 53 0.00  
24 71 55 38 26 20 11 59 34 9 29.98 29.89 29.70 10 10 10 32 11 38 0.00  
25 75 61 47 28 17 11 34 22 9 30.01 29.81 29.74 10 10 10 28 9 36 0.00  
26 76 61 45 27 18 13 36 23 9 29.82 29.76 29.70 10 10 10 31 10 44 0.00  
27 70 59 47 30 20 9 46 29 11 29.82 29.76 29.71 10 10 10 35 13 45 0.00  
28 65 54 43 41 29 14 89 55 21 29.79 29.67 29.56 10 10 10 44 13 51 T Rain
29 60 50 40 39 34 25 89 61 32 29.81 29.71 29.61 10 10 7 32 21 40 T Rain
30 59 49 38 34 25 17 73 47 21 29.89 29.79 29.70 10 10 10 37 23 48 T  
31 63 51 38 24 20 16 51 34 17 30.13 29.98 29.86 10 10 10 31 20 39 0.00