History for Riverton, WY

Month of September, 2012 — View Current Conditions
Month of September, 2012
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Daily Weekly Monthly Custom
  Max Avg Min Sum
Temperature
Max Temperature 85 °F 78 °F 68 °F
Mean Temperature 72 °F 62 °F 55 °F
Min Temperature 60 °F 47 °F 37 °F
Degree Days
Heating Degree Days (base 65) 10 3 0 100
Cooling Degree Days (base 65) 7 1 0 23
Growing Degree Days (base 50) 20 13 5 377
Dew Point
Dew Point 54 °F 30 °F 6 °F
Precipitation
Precipitation 0.03 in 0.00 in 0.00 in 0.07 in
Snowdepth 0.0 in 0.0 in 0.0 in -
Wind
Wind 28 mph 8 mph 0 mph
Gust Wind 50 mph 23 mph 16 mph
Sea Level Pressure
Sea Level Pressure 30.44 in 30.03 in 29.75 in
Monthly Graph
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Date:
Astronomy
May. 18, 2013 Rise Set
Actual Time 6:54 AM MDT 7:22 PM MDT
Civil Twilight 6:25 AM MDT 7:51 PM MDT
Nautical Twilight 5:51 AM MDT 8:24 PM MDT
Astronomical Twilight 5:17 AM MDT 8:59 PM MDT
Moon 6:29 AM MDT (9/15) 6:53 PM MDT (9/15)
Length Of Visible Light 13h 25m
Length of Day
12h 28m
Waning Crescent, 0% of the Moon is Illuminated
Sep 15
Waning Crescent
Sep 15
New
Sep 22
First Quarter
Sep 29
Full
Oct 8
Last Quarter
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Monthly Calendar Overview
Print This Calendar Precipitation: Actual month total 0.07 Normal month total 0.90
« Previous Month « 2011 September 2012 2013 » Next Month »
Sunday Monday Tuesday Wednesday Thursday Friday Saturday
 
1 Scattered Clouds
Actual: 85 | 57
Precip: T
Average: 80 | 50
Precip: 0.02
2 Clear
Actual: 82 | 52
Precip: 0.00
Average: 79 | 50
Precip: 0.02
3 Clear
Actual: 84 | 54
Precip: 0.00
Average: 79 | 49
Precip: 0.02
4 Clear
Actual: 85 | 49
Precip: 0.00
Average: 78 | 49
Precip: 0.02
5 Clear
Actual: 83 | 45
Precip: 0.00
Average: 78 | 49
Precip: 0.02
6 Rain
Actual: 83 | 46
Precip: T
Average: 77 | 48
Precip: 0.02
7 Scattered Clouds
Actual: 72 | 44
Precip: T
Average: 77 | 48
Precip: 0.02
8 Clear
Actual: 79 | 46
Precip: 0.00
Average: 76 | 47
Precip: 0.02
9 Clear
Actual: 85 | 45
Precip: 0.00
Average: 76 | 47
Precip: 0.02
10 Thunderstorm
Actual: 83 | 60
Precip: 0.03
Average: 75 | 47
Precip: 0.02
11 Clear
Actual: 81 | 50
Precip: 0.00
Average: 75 | 46
Precip: 0.02
12 Clear
Actual: 69 | 41
Precip: 0.00
Average: 74 | 46
Precip: 0.03
13 Clear
Actual: 75 | 37
Precip: 0.00
Average: 74 | 45
Precip: 0.02
14 Clear
Actual: 77 | 42
Precip: 0.00
Average: 73 | 45
Precip: 0.02
15 Scattered Clouds
Actual: 79 | 52
Precip: 0.00
Average: 73 | 45
Precip: 0.03
16 Scattered Clouds
Actual: 77 | 49
Precip: T
Average: 72 | 44
Precip: 0.02
17 Clear
Actual: 68 | 41
Precip: 0.00
Average: 72 | 44
Precip: 0.03
18 Clear
Actual: 77 | 41
Precip: 0.00
Average: 71 | 43
Precip: 0.03
19 Clear
Actual: 77 | 50
Precip: 0.00
Average: 71 | 43
Precip: 0.03
20 Clear
Actual: 76 | 42
Precip: 0.00
Average: 70 | 43
Precip: 0.04
21 Clear
Actual: 78 | 49
Precip: 0.00
Average: 70 | 42
Precip: 0.04
22 Clear
Actual: 80 | 43
Precip: 0.00
Average: 69 | 42
Precip: 0.05
23 Rain
Actual: 76 | 46
Precip: 0.01
Average: 69 | 41
Precip: 0.04
24 Thunderstorm
Actual: 75 | 49
Precip: 0.01
Average: 68 | 41
Precip: 0.04
25 Thunderstorm
Actual: 73 | 50
Precip: 0.00
Average: 68 | 40
Precip: 0.05
26 Partly Cloudy
Actual: 68 | 41
Precip: 0.00
Average: 67 | 40
Precip: 0.04
27 Scattered Clouds
Actual: 72 | 48
Precip: 0.00
Average: 67 | 40
Precip: 0.04
28 Scattered Clouds
Actual: 76 | 44
Precip: T
Average: 66 | 39
Precip: 0.05
29 Rain
Actual: 74 | 49
Precip: 0.02
Average: 66 | 39
Precip: 0.04
30 Clear
Actual: 76 | 46
Precip: 0.00
Average: 65 | 38
Precip: 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 Observations
2012 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 85 71 57 46 41 32 67 42 16 30.02 29.87 29.81 10 10 10 22 10 50 T  
2 82 67 52 42 31 22 64 38 11 30.04 29.95 29.91 10 10 10 13 8 16 0.00  
3 84 69 54 30 20 10 35 21 7 30.01 29.95 29.88 10 10 10 15 9 16 0.00  
4 85 67 49 33 19 11 25 16 7 30.03 29.92 29.83 10 10 9 20 9 31 0.00  
5 83 64 45 36 25 11 58 33 7 30.08 29.95 29.81 10 10 10 20 7 - 0.00  
6 83 65 46 46 27 15 71 42 12 30.10 29.93 29.83 10 10 10 20 9 38 T Rain
7 72 58 44 42 37 29 83 54 25 30.27 30.20 30.09 10 10 10 10 5 16 T  
8 79 63 46 37 31 22 65 40 15 30.30 30.21 30.09 10 10 10 12 7 - 0.00  
9 85 65 45 34 25 18 50 30 9 30.10 29.96 29.81 10 10 9 9 6 - 0.00  
10 83 72 60 54 39 23 59 40 20 30.04 29.82 29.75 10 10 4 28 8 50 0.03 Rain , Thunderstorm
11 81 66 50 47 34 23 66 41 15 30.04 29.85 29.75 10 10 10 21 8 31 0.00  
12 69 55 41 27 21 13 39 27 15 30.34 30.17 30.04 10 10 7 17 8 23 0.00  
13 75 56 37 27 16 11 50 30 9 30.43 30.36 30.29 10 10 9 10 6 - 0.00  
14 77 60 42 28 20 12 49 29 9 30.44 30.23 30.09 10 10 10 14 6 - 0.00  
15 79 66 52 34 17 6 24 16 8 30.11 30.03 29.94 10 10 6 20 9 - 0.00  
16 77 63 49 34 25 15 50 32 14 30.15 30.02 29.95 10 10 9 28 12 41 T  
17 68 55 41 38 32 23 70 47 24 30.17 30.10 30.05 10 10 10 10 5 16 0.00  
18 77 59 41 34 29 25 62 39 16 30.22 30.05 29.94 10 8 2 22 7 32 0.00  
19 77 64 50 27 22 20 29 21 12 30.15 30.03 29.95 10 10 8 20 10 26 0.00  
20 76 59 42 27 24 22 42 29 15 30.23 30.07 30.01 10 10 10 12 6 18 0.00  
21 78 64 49 31 26 24 38 27 15 30.14 30.08 30.04 10 10 8 13 6 20 0.00  
22 80 62 43 35 28 23 49 31 13 30.16 30.07 29.98 10 10 10 13 7 - 0.00  
23 76 61 46 45 30 24 57 37 16 30.06 30.00 29.92 10 10 10 12 7 35 0.01 Rain
24 75 62 49 49 41 36 74 50 25 30.04 29.93 29.85 10 10 10 17 9 23 0.01 Rain , Thunderstorm
25 73 62 50 49 44 39 83 57 31 30.08 29.92 29.84 10 10 10 21 9 26 0.00 Thunderstorm
26 68 55 41 45 42 40 89 64 39 30.06 30.02 29.97 10 10 9 9 4 - 0.00  
27 72 60 48 43 39 32 80 53 26 30.21 30.06 29.99 10 10 10 10 7 16 0.00  
28 76 60 44 39 35 27 76 47 18 30.07 29.99 29.90 10 10 8 17 7 24 T  
29 74 62 49 45 35 30 59 41 23 30.13 30.02 29.95 10 10 9 21 9 32 0.02 Rain
30 76 61 46 37 33 29 56 38 19 30.20 30.10 30.01 10 10 10 17 9 23 0.00  
Comma Delimited File