Weather History for Rock Springs, WY

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Month of September, 2013

  Max Avg Min Sum
Temperature  
Max Temperature 88 °F 70 °F 43 °F
Mean Temperature 74 °F 59 °F 37 °F
Min Temperature 62 °F 47 °F 31 °F
Degree Days  
Heating Degree Days (base 65) 28 8 0 229
Cooling Degree Days (base 65) 9 1 0 44
Growing Degree Days (base 50) 24 9 0 282
Dew Point  
Dew Point 56 °F 40 °F 8 °F
Precipitation  
Precipitation 0.50 in 0.06 in 0.00 in 1.37 in
Snowdepth - - - -
Wind  
Wind 41 mph 11 mph 0 mph
Gust Wind 48 mph 27 mph 16 mph
Sea Level Pressure  
Sea Level Pressure 30.39 in 29.97 in 29.39 in

Monthly Weather History Graph

Monthly Weather History Graph

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Date:

Astronomy

Sep. 03, 2013 Rise Set
Actual Time 6:44 AM MDT 7:45 PM MDT
Civil Twilight 6:16 AM MDT 8:13 PM MDT
Nautical Twilight 5:42 AM MDT 8:47 PM MDT
Astronomical Twilight 5:07 AM MDT 9:22 PM MDT
Moon 5:00 AM MDT (9/3) 6:34 PM MDT (9/3)
Length of Visible Light 13h 57m
Length of Day
13h 00m
Waning Crescent, 3% of the Moon is Illuminated
Sep 3
Waning Crescent
Sep 5
New
Sep 12
First Quarter
Sep 19
Full
Sep 26
Last Quarter

Weather History Calendar

Precipitation Actual month total 1.37 Normal Month Total: 0.92
Sunday Monday Tuesday Wednesday Thursday Friday Saturday
Rain
Actual:
86 | 54 T
Average:
77 | 48 0.03
Thunderstorm
Actual:
82 | 62 T
Average:
76 | 48 0.02
Thunderstorm
Actual:
87 | 57 0.05
Average:
76 | 48 0.03
Thunderstorm
Actual:
86 | 54 0.07
Average:
75 | 47 0.03
Scattered Clouds
Actual:
88 | 59 T
Average:
75 | 47 0.02
Thunderstorm
Actual:
85 | 57 T
Average:
75 | 46 0.03
Thunderstorm
Actual:
83 | 56 T
Average:
74 | 46 0.03
Partly Cloudy
Actual:
65 | 53 T
Average:
74 | 46 0.03
Scattered Clouds
Actual:
74 | 51 0.00
Average:
73 | 45 0.03
Rain
Actual:
64 | 51 T
Average:
73 | 45 0.04
Rain
Actual:
60 | 51 0.36
Average:
72 | 45 0.03
Thunderstorm
Actual:
67 | 52 0.13
Average:
72 | 44 0.03
Thunderstorm
Actual:
66 | 51 0.01
Average:
72 | 44 0.03
Thunderstorm
Actual:
66 | 51 T
Average:
71 | 43 0.03
Thunderstorm
Actual:
68 | 52 0.01
Average:
71 | 43 0.03
Thunderstorm
Actual:
75 | 48 0.00
Average:
70 | 43 0.03
Thunderstorm
Actual:
72 | 53 0.00
Average:
70 | 42 0.03
Clear
Actual:
67 | 44 0.00
Average:
69 | 42 0.03
Clear
Actual:
61 | 35 0.00
Average:
69 | 41 0.03
Clear
Actual:
72 | 37 0.00
Average:
68 | 41 0.03
Clear
Actual:
76 | 50 0.00
Average:
68 | 41 0.04
Thunderstorm
Actual:
62 | 46 0.06
Average:
67 | 40 0.03
Clear
Actual:
61 | 40 0.00
Average:
67 | 40 0.03
Clear
Actual:
71 | 39 0.00
Average:
66 | 39 0.04
Snow
Actual:
67 | 33 0.08
Average:
66 | 39 0.03
Snow
Actual:
55 | 32 0.50
Average:
66 | 39 0.03
Snow
Actual:
43 | 31 0.10
Average:
65 | 38 0.03
Scattered Clouds
Actual:
53 | 32 0.00
Average:
65 | 38 0.04
Scattered Clouds
Actual:
67 | 38 0.00
Average:
64 | 38 0.03
Scattered Clouds
Actual:
69 | 46 0.00
Average:
64 | 37 0.03
 

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 86 70 54 42 36 32 54 35 15 30.04 29.95 29.89 10 10 10 16 5 20 T Rain
2 82 72 62 54 48 33 60 43 25 30.19 29.94 29.86 10 10 10 29 12 35 T Rain , Thunderstorm
3 87 72 57 55 49 41 72 47 21 30.28 30.07 29.94 10 9 2 24 7 39 0.05 Rain , Thunderstorm
4 86 70 54 55 50 42 86 55 23 30.34 30.13 30.04 10 10 2 30 4 36 0.07 Rain , Thunderstorm
5 88 74 59 50 45 37 67 43 19 30.39 30.10 29.95 10 10 10 23 9 32 T  
6 85 71 57 46 43 39 52 37 22 30.34 30.07 29.91 10 10 9 30 7 37 T Rain , Thunderstorm
7 83 70 56 49 44 39 66 45 23 30.27 30.04 29.88 10 10 10 32 7 40 T Thunderstorm
8 65 59 53 52 49 47 83 70 56 30.17 29.99 29.95 10 10 10 20 9 23 T  
9 74 63 51 48 44 34 83 54 25 29.97 29.92 29.85 10 10 10 20 8 22 0.00  
10 64 58 51 53 50 45 96 78 60 30.24 30.09 29.93 10 10 8 25 14 30 T Rain
11 60 56 51 55 52 48 100 89 78 30.33 30.22 30.07 10 8 2 30 17 36 0.36 Rain
12 67 60 52 56 53 50 96 82 68 30.34 30.20 30.08 10 10 2 24 16 30 0.13 Rain , Thunderstorm
13 66 59 51 53 51 47 100 78 56 30.24 30.02 29.85 10 8 0 17 5 21 0.01 Fog , Rain , Thunderstorm
14 66 59 51 52 49 46 96 76 56 30.16 29.94 29.83 10 10 10 24 9 32 T Rain , Thunderstorm
15 68 60 52 54 50 47 89 69 48 30.25 30.10 29.98 10 10 8 24 11 29 0.01 Rain , Thunderstorm
16 75 62 48 52 47 43 100 67 33 30.24 30.09 29.93 10 6 0 18 7 23 0.00 Fog , Thunderstorm
17 72 63 53 49 45 36 67 48 28 29.92 29.80 29.64 10 10 10 27 11 38 0.00 Thunderstorm
18 67 56 44 49 35 22 77 50 22 29.97 29.79 29.64 10 10 10 32 15 39 0.00  
19 61 48 35 28 20 9 70 41 12 30.14 30.09 29.99 10 10 10 15 5 22 0.00  
20 72 55 37 26 19 8 54 32 9 30.14 30.03 29.91 10 10 10 10 4 13 0.00  
21 76 63 50 35 28 20 44 29 13 29.89 29.77 29.62 10 10 10 30 9 37 0.00  
22 62 54 46 46 42 35 86 61 36 29.89 29.67 29.55 10 9 2 39 13 46 0.06 Rain , Thunderstorm
23 61 51 40 39 31 26 71 49 27 30.07 29.92 29.71 10 10 10 32 19 40 0.00  
24 71 55 39 34 29 26 65 43 20 30.08 29.90 29.64 10 10 10 31 15 41 0.00  
25 67 50 33 36 32 25 100 61 22 29.85 29.70 29.39 10 7 1 39 19 48 0.08 Rain , Snow
26 55 44 32 40 34 30 100 80 59 29.91 29.82 29.65 10 5 0 24 6 30 0.50 Fog , Rain , Snow
27 43 37 31 34 30 27 100 80 60 30.19 29.92 29.79 10 3 0 26 12 31 0.10 Fog , Rain , Snow
28 53 43 32 35 30 25 85 65 45 30.26 30.19 30.13 10 10 10 28 14 32 0.00  
29 67 53 38 33 29 23 76 48 20 30.11 29.96 29.83 10 10 10 39 14 48 0.00  
30 69 58 46 32 30 27 54 38 22 29.89 29.81 29.74 10 10 10 41 17 48 0.00