Weather History for Rock Springs, WY

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Month of January, 2012

  Max Avg Min Sum
Temperature  
Max Temperature 49 °F 37 °F 20 °F
Mean Temperature 41 °F 28 °F 11 °F
Min Temperature 34 °F 18 °F 1 °F
Degree Days  
Heating Degree Days (base 65) 54 37 24 1146
Cooling Degree Days (base 65) 0 0 0 0
Growing Degree Days (base 50) 0 0 0 0
Dew Point  
Dew Point 32 °F 13 °F -11 °F
Precipitation  
Precipitation 0.10 in 0.01 in 0.00 in 0.21 in
Snowdepth 0.0 in 0.0 in 0.0 in -
Wind  
Wind 39 mph 15 mph 0 mph
Gust Wind 56 mph 30 mph 17 mph
Sea Level Pressure  
Sea Level Pressure 30.79 in 30.17 in 29.36 in

Monthly Weather History Graph

Monthly Weather History Graph

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Date:

Astronomy

Jan. 01, 2012 Rise Set
Actual Time 7:42 AM MST 4:56 PM MST
Civil Twilight 7:11 AM MST 5:27 PM MST
Nautical Twilight 6:36 AM MST 6:02 PM MST
Astronomical Twilight 6:03 AM MST 6:36 PM MST
Moon 11:49 AM MST (1/1) 12:38 AM MST (1/1)
Length of Visible Light 10h 16m
Length of Day
9h 13m
First Quarter, 55% of the Moon is Illuminated
Jan 1
First Quarter
Jan 9
Full
Jan 16
Last Quarter
Jan 23
New
Jan 30
First Quarter

Weather History Calendar

Precipitation Actual month total 0.21 Normal Month Total: 0.45
Sunday Monday Tuesday Wednesday Thursday Friday Saturday
Clear
Actual:
34 | 9 0.00
Average:
30 | 12 0.01
Clear
Actual:
40 | 15 0.00
Average:
30 | 12 0.02
Clear
Actual:
47 | 18 0.00
Average:
30 | 12 0.01
Clear
Actual:
46 | 25 0.00
Average:
30 | 13 0.02
Clear
Actual:
49 | 27 0.00
Average:
30 | 13 0.01
Clear
Actual:
39 | 26 0.00
Average:
30 | 13 0.01
Partly Cloudy
Actual:
35 | 18 0.00
Average:
30 | 13 0.02
Clear
Actual:
32 | 14 0.00
Average:
30 | 13 0.01
Clear
Actual:
39 | 22 0.00
Average:
30 | 13 0.02
Scattered Clouds
Actual:
39 | 20 0.00
Average:
30 | 13 0.01
Snow
Actual:
28 | 7 0.02
Average:
30 | 13 0.01
Clear
Actual:
31 | 4 0.00
Average:
30 | 13 0.02
Clear
Actual:
35 | 17 0.00
Average:
30 | 13 0.01
Clear
Actual:
48 | 25 0.00
Average:
30 | 13 0.01
Clear
Actual:
47 | 25 0.00
Average:
30 | 13 0.02
Snow
Actual:
33 | 5 T
Average:
30 | 13 0.01
Scattered Clouds
Actual:
20 | 1 0.00
Average:
30 | 13 0.02
Partly Cloudy
Actual:
37 | 12 0.00
Average:
30 | 13 0.01
Rain
Actual:
47 | 34 T
Average:
30 | 13 0.02
Snow
Actual:
42 | 30 T
Average:
30 | 13 0.01
Snow
Actual:
39 | 27 0.05
Average:
30 | 13 0.02
Snow
Actual:
27 | 16 T
Average:
30 | 12 0.01
Snow
Actual:
35 | 13 0.10
Average:
30 | 12 0.02
Snow
Actual:
29 | 17 0.04
Average:
30 | 12 0.01
Scattered Clouds
Actual:
39 | 19 0.00
Average:
30 | 12 0.01
Partly Cloudy
Actual:
43 | 25 T
Average:
30 | 12 0.02
Scattered Clouds
Actual:
29 | 14 0.00
Average:
30 | 12 0.01
Clear
Actual:
31 | 15 0.00
Average:
31 | 12 0.02
Scattered Clouds
Actual:
41 | 23 0.00
Average:
31 | 12 0.02
Scattered Clouds
Actual:
41 | 23 0.00
Average:
31 | 12 0.01
Clear
Actual:
36 | 18 0.00
Average:
31 | 12 0.02
 

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
Jan high avg low high avg low high avg low high avg low high avg low high avg high sum  
1 34 22 9 11 7 5 76 53 29 30.79 30.65 30.40 10 10 10 14 5 - 0.00  
2 40 28 15 16 12 7 74 54 34 30.75 30.61 30.43 10 10 10 9 1 - 0.00  
3 47 33 18 17 14 12 80 54 28 30.54 30.43 30.30 10 10 10 23 11 32 0.00  
4 46 36 25 17 14 11 63 44 25 30.62 30.52 30.41 10 10 10 18 11 - 0.00  
5 49 38 27 20 16 13 57 41 24 30.40 30.23 30.01 10 10 10 18 13 - 0.00  
6 39 33 26 19 16 10 63 48 32 30.13 30.07 30.00 10 10 10 28 13 36 0.00  
7 35 27 18 18 13 7 81 55 29 30.26 30.08 29.91 10 10 10 13 7 - 0.00  
8 32 23 14 18 14 10 88 71 53 30.42 30.34 30.14 10 10 10 24 20 35 0.00  
9 39 31 22 24 22 18 92 73 54 30.47 30.38 30.28 10 10 10 17 13 21 0.00  
10 39 30 20 23 20 16 92 68 44 30.26 30.12 30.00 10 10 10 21 15 31 0.00  
11 28 18 7 17 7 -4 88 63 38 30.50 30.23 30.02 10 7 0 21 13 32 0.02 Fog , Snow
12 31 18 4 2 -2 -6 60 44 28 30.46 30.37 30.10 10 10 10 20 15 - 0.00  
13 35 26 17 4 0 -4 43 35 26 30.38 30.31 30.18 10 10 10 28 17 40 0.00  
14 48 37 25 12 5 -6 50 35 19 30.30 30.15 29.97 10 10 10 15 10 32 0.00  
15 47 36 25 9 4 1 46 31 16 29.93 29.79 29.58 10 10 10 22 9 36 0.00  
16 33 19 5 16 6 -11 84 56 28 30.26 29.79 29.52 10 8 0 29 20 41 T Fog , Snow
17 20 11 1 0 -4 -7 83 61 39 30.41 30.26 29.98 10 10 10 21 12 27 0.00  
18 37 25 12 27 13 -3 70 52 34 30.15 30.00 29.87 10 10 10 39 23 56 0.00  
19 47 41 34 30 28 25 75 60 45 29.92 29.83 29.70 10 10 10 29 20 41 T Rain
20 42 36 30 29 26 22 85 68 50 29.99 29.89 29.75 10 9 2 30 19 38 T Snow
21 39 33 27 31 28 21 100 76 52 29.80 29.51 29.36 10 4 0 29 17 44 0.05 Fog , Snow
22 27 22 16 22 15 9 92 77 62 30.16 29.90 29.53 10 8 1 38 25 48 T Snow
23 35 24 13 22 17 8 88 72 56 30.12 29.93 29.80 10 8 2 15 7 22 0.10 Snow
24 29 23 17 22 18 9 96 79 62 30.44 30.14 29.84 10 7 2 16 10 - 0.04 Snow
25 39 29 19 30 22 9 78 70 62 30.45 30.34 30.23 10 10 10 32 22 45 0.00  
26 43 34 25 32 26 21 88 72 55 30.28 30.05 29.89 10 10 9 32 17 46 T  
27 29 22 14 19 9 2 77 55 33 30.50 30.30 29.97 10 10 10 29 19 35 0.00  
28 31 23 15 7 2 -2 67 46 25 30.58 30.50 30.42 10 10 10 38 24 47 0.00  
29 41 32 23 18 9 -4 58 42 26 30.51 30.34 30.13 10 10 10 35 17 44 0.00  
30 41 32 23 23 18 14 69 55 40 30.10 30.03 29.95 10 10 10 33 16 40 0.00  
31 36 27 18 19 15 12 84 61 38 30.25 30.16 30.06 10 10 10 17 11 23 0.00