History for Riverton, WY

Month of December, 2012 — View Current Conditions
Month of December, 2012
« Previous Month
Next Month »
Daily Weekly Monthly Custom
  Max Avg Min Sum
Temperature
Max Temperature 60 °F 33 °F 2 °F
Mean Temperature 44 °F 22 °F -5 °F
Min Temperature 30 °F 10 °F -12 °F
Degree Days
Heating Degree Days (base 65) 70 43 21 1341
Cooling Degree Days (base 65) 0 0 0 0
Growing Degree Days (base 50) 0 0 0 0
Dew Point
Dew Point 34 °F 8 °F -17 °F
Precipitation
Precipitation 0.16 in 0.01 in 0.00 in 0.41 in
Snowdepth 3.0 in 0.8 in 0.0 in -
Wind
Wind 40 mph 7 mph 0 mph
Gust Wind 51 mph 27 mph 16 mph
Sea Level Pressure
Sea Level Pressure 30.42 in 29.97 in 29.49 in
Monthly Graph
Certify This Report
History Location
Airport:
 
Trip Planner
Search our historical database for the weather conditions in past years. The results will help you decide how hot, cold, wet, or windy it will be!
Date:
Astronomy
May. 22, 2013 Rise Set
Actual Time 7:36 AM MST 4:39 PM MST
Civil Twilight 7:04 AM MST 5:11 PM MST
Nautical Twilight 6:28 AM MST 5:47 PM MST
Astronomical Twilight 5:53 AM MST 6:21 PM MST
Moon 6:43 AM MST (12/12) 4:19 PM MST (12/12)
Length Of Visible Light 10h 07m
Length of Day
9h 02m
Waning Crescent, 0% of the Moon is Illuminated
Dec 12
Waning Crescent
Dec 13
New
Dec 19
First Quarter
Dec 28
Full
Jan 4
Last Quarter
Visit Astronomy
Monthly Calendar Overview
Print This Calendar Precipitation: Actual month total 0.41 Normal month total 0.32
« Previous Month « 2011 December 2012 2013 » Next Month »
Sunday Monday Tuesday Wednesday Thursday Friday Saturday
 
1 Scattered Clouds
Actual: 55 | 30
Precip: 0.00
Average: 34 | 11
Precip: 0.01
2 Rain
Actual: 60 | 27
Precip: 0.01
Average: 34 | 11
Precip: 0.01
3 Snow
Actual: 46 | 28
Precip: 0.00
Average: 34 | 10
Precip: 0.01
4 Clear
Actual: 45 | 23
Precip: 0.00
Average: 33 | 10
Precip: 0.01
5 Clear
Actual: 56 | 26
Precip: 0.00
Average: 33 | 10
Precip: 0.01
6 Clear
Actual: 46 | 23
Precip: 0.00
Average: 33 | 9
Precip: 0.01
7 Scattered Clouds
Actual: 38 | 18
Precip: 0.00
Average: 33 | 9
Precip: 0.01
8 Snow
Actual: 30 | 14
Precip: 0.02
Average: 32 | 9
Precip: 0.01
9 Snow
Actual: 19 | 5
Precip: 0.01
Average: 32 | 8
Precip: 0.01
10 Scattered Clouds
Actual: 30 | 7
Precip: 0.00
Average: 32 | 8
Precip: 0.00
11 Clear
Actual: 34 | 5
Precip: 0.00
Average: 32 | 8
Precip: 0.01
12 Clear
Actual: 47 | 17
Precip: 0.00
Average: 32 | 8
Precip: 0.01
13 Clear
Actual: 39 | 17
Precip: 0.00
Average: 32 | 8
Precip: 0.01
14 Scattered Clouds
Actual: 37 | 17
Precip: 0.00
Average: 32 | 7
Precip: 0.00
15 Partly Cloudy
Actual: 35 | 19
Precip: 0.00
Average: 31 | 7
Precip: 0.01
16 Scattered Clouds
Actual: 38 | 19
Precip: 0.00
Average: 31 | 7
Precip: 0.01
17 Scattered Clouds
Actual: 42 | 13
Precip: 0.00
Average: 31 | 7
Precip: 0.01
18 Clear
Actual: 32 | 10
Precip: 0.00
Average: 31 | 7
Precip: 0.01
19 Snow
Actual: 28 | 6
Precip: 0.00
Average: 31 | 7
Precip: 0.01
20 Clear
Actual: 32 | 4
Precip: 0.00
Average: 31 | 7
Precip: 0.01
21 Clear
Actual: 32 | 3
Precip: 0.00
Average: 31 | 7
Precip: 0.01
22 Clear
Actual: 32 | 4
Precip: 0.00
Average: 31 | 7
Precip: 0.02
23 Clear
Actual: 42 | 12
Precip: 0.00
Average: 31 | 7
Precip: 0.01
24 Snow
Actual: 31 | 9
Precip: 0.11
Average: 31 | 7
Precip: 0.01
25 Snow
Actual: 12 | -2
Precip: 0.05
Average: 31 | 7
Precip: 0.01
26 Snow
Actual: 17 | 5
Precip: 0.16
Average: 31 | 7
Precip: 0.01
27 Snow
Actual: 27 | 3
Precip: 0.05
Average: 31 | 7
Precip: 0.02
28 Scattered Clouds
Actual: 13 | -5
Precip: 0.00
Average: 31 | 7
Precip: 0.01
29 Fog
Actual: 11 | -9
Precip: 0.00
Average: 31 | 7
Precip: 0.01
30 Clear
Actual: 7 | -11
Precip: 0.00
Average: 31 | 7
Precip: 0.02
31 Scattered Clouds
Actual: 2 | -12
Precip: 0.00
Average: 31 | 7
Precip: 0.01
 
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
Dec high avg low high avg low high avg low high avg low high avg low high avg high sum  
1 55 43 30 30 26 22 78 53 28 29.94 29.88 29.75 10 10 10 30 6 33 0.00  
2 60 44 27 34 26 23 78 52 25 29.85 29.66 29.50 10 10 10 29 9 37 0.01 Rain
3 46 37 28 26 12 6 57 39 20 30.23 30.03 29.70 10 10 9 36 17 44 0.00 Snow
4 45 34 23 26 16 11 60 44 28 30.29 30.21 30.06 10 10 10 17 6 18 0.00  
5 56 41 26 31 25 20 81 58 35 30.05 29.91 29.81 10 10 10 25 9 31 0.00  
6 46 35 23 22 17 13 68 50 31 29.99 29.89 29.80 10 10 10 29 7 33 0.00  
7 38 28 18 21 14 6 84 58 32 29.99 29.91 29.79 10 10 10 15 6 20 0.00  
8 30 22 14 16 10 -4 80 52 24 30.15 29.85 29.63 10 7 1 40 14 51 0.02 Snow
9 19 12 5 9 5 -2 80 66 51 30.42 30.24 30.03 10 8 2 21 6 26 0.01 Snow
10 30 19 7 14 8 0 80 60 39 30.10 30.05 29.98 10 10 10 21 8 24 0.00  
11 34 20 5 16 11 2 88 69 49 30.07 29.91 29.65 10 10 10 14 5 17 0.00  
12 47 32 17 21 15 11 80 54 28 29.89 29.75 29.62 10 10 10 26 10 33 0.00  
13 39 28 17 18 14 10 74 57 40 30.01 29.93 29.83 10 10 10 10 4 13 0.00  
14 37 27 17 18 16 12 80 62 44 29.87 29.74 29.63 10 10 10 13 4 14 0.00  
15 35 27 19 22 18 11 84 70 56 29.81 29.75 29.69 10 10 10 13 4 14 0.00  
16 38 29 19 11 6 -1 62 41 20 29.83 29.73 29.60 10 10 10 20 10 23 0.00  
17 42 28 13 21 7 0 59 45 31 29.68 29.61 29.49 10 10 10 21 7 28 0.00  
18 32 21 10 0 -5 -11 53 35 16 29.89 29.80 29.66 10 10 10 24 14 30 0.00  
19 28 17 6 -6 -9 -15 55 38 21 30.28 30.10 29.87 10 10 10 30 15 37 0.00 Snow
20 32 18 4 2 -4 -12 58 43 28 30.39 30.32 30.25 10 10 10 22 6 26 0.00  
21 32 18 3 3 -1 -3 76 53 29 30.36 30.26 30.17 10 10 10 12 5 13 0.00  
22 32 18 4 5 1 -3 69 49 29 30.30 30.11 29.93 10 10 10 15 4 16 0.00  
23 42 27 12 13 7 2 59 39 18 30.08 29.97 29.82 10 10 10 14 6 18 0.00  
24 31 20 9 10 6 2 84 62 39 30.20 29.92 29.81 10 7 1 18 7 23 0.11 Snow
25 12 5 -2 6 2 -5 88 81 73 30.39 30.22 30.07 10 6 2 9 4 10 0.05 Snow
26 17 11 5 12 9 1 88 81 73 30.11 29.74 29.59 10 4 0 8 2 8 0.16 Snow
27 27 15 3 18 12 4 88 74 60 30.09 29.85 29.65 10 5 1 13 5 15 0.05 Snow
28 13 4 -5 7 0 -5 91 79 67 30.34 30.19 29.90 10 10 2 12 3 14 0.00  
29 11 1 -9 3 -7 -11 95 84 73 30.42 30.17 29.94 10 4 0 9 2 10 0.00 Fog
30 7 -2 -11 -2 -8 -15 83 79 75 30.37 30.21 29.93 10 8 2 9 3 10 0.00  
31 2 -5 -12 -2 -10 -17 91 80 69 30.39 30.21 29.96 10 7 0 13 4 13 0.00  
Comma Delimited File