History for Waterloo, IA

Month of December, 2012 — View Current Conditions
Month of December, 2012
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Daily Weekly Monthly Custom
  Max Avg Min Sum
Temperature
Max Temperature 67 °F 36 °F 14 °F
Mean Temperature 54 °F 27 °F 7 °F
Min Temperature 40 °F 18 °F -3 °F
Degree Days
Heating Degree Days (base 65) 58 38 11 1181
Cooling Degree Days (base 65) 0 0 0 0
Growing Degree Days (base 50) 2 0 0 2
Dew Point
Dew Point 57 °F 21 °F -7 °F
Precipitation
Precipitation 0.56 in 0.06 in 0.00 in 1.53 in
Snowdepth 9.0 in 2.5 in 0.0 in -
Wind
Wind 41 mph 9 mph 0 mph
Gust Wind 52 mph 24 mph 17 mph
Sea Level Pressure
Sea Level Pressure 30.48 in 30.01 in 29.49 in
Monthly Graph
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Date:
Astronomy
May. 21, 2013 Rise Set
Actual Time 7:28 AM CST 4:36 PM CST
Civil Twilight 6:57 AM CST 5:08 PM CST
Nautical Twilight 6:21 AM CST 5:43 PM CST
Astronomical Twilight 5:47 AM CST 6:17 PM CST
Moon 4:10 AM CST (12/10) 2:27 PM CST (12/10)
Length Of Visible Light 10h 11m
Length of Day
9h 07m
Waning Crescent, 10% of the Moon is Illuminated
Dec 10
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 1.53 Normal month total 1.20
« Previous Month « 2011 December 2012 2013 » Next Month »
Sunday Monday Tuesday Wednesday Thursday Friday Saturday
 
1 Fog
Actual: 52 | 30
Precip: 0.00
Average: 37 | 19
Precip: 0.05
2 Fog
Actual: 56 | 35
Precip: 0.00
Average: 36 | 18
Precip: 0.05
3 Partly Cloudy
Actual: 67 | 40
Precip: 0.00
Average: 36 | 18
Precip: 0.05
4 Clear
Actual: 52 | 20
Precip: 0.00
Average: 35 | 17
Precip: 0.05
5 Scattered Clouds
Actual: 40 | 16
Precip: 0.00
Average: 35 | 17
Precip: 0.04
6 Rain
Actual: 46 | 36
Precip: 0.02
Average: 34 | 16
Precip: 0.05
7 Partly Cloudy
Actual: 43 | 27
Precip: 0.00
Average: 34 | 16
Precip: 0.05
8 Snow
Actual: 39 | 20
Precip: 0.01
Average: 33 | 16
Precip: 0.04
9 Snow
Actual: 34 | 24
Precip: 0.18
Average: 33 | 15
Precip: 0.05
10 Partly Cloudy
Actual: 26 | 13
Precip: 0.00
Average: 32 | 15
Precip: 0.04
11 Partly Cloudy
Actual: 37 | 14
Precip: 0.00
Average: 32 | 15
Precip: 0.05
12 Clear
Actual: 49 | 25
Precip: 0.00
Average: 31 | 14
Precip: 0.04
13 Clear
Actual: 48 | 23
Precip: 0.00
Average: 31 | 14
Precip: 0.04
14 Scattered Clouds
Actual: 51 | 17
Precip: T
Average: 31 | 14
Precip: 0.04
15 Rain
Actual: 45 | 40
Precip: 0.56
Average: 30 | 13
Precip: 0.04
16 Overcast
Actual: 39 | 23
Precip: 0.00
Average: 30 | 13
Precip: 0.03
17 Overcast
Actual: 27 | 21
Precip: 0.00
Average: 30 | 13
Precip: 0.04
18 Snow
Actual: 33 | 25
Precip: 0.01
Average: 30 | 12
Precip: 0.03
19 Snow
Actual: 35 | 31
Precip: 0.50
Average: 29 | 12
Precip: 0.04
20 Snow
Actual: 31 | 11
Precip: 0.20
Average: 29 | 12
Precip: 0.03
21 Snow
Actual: 21 | 4
Precip: 0.00
Average: 29 | 12
Precip: 0.03
22 Rain
Actual: 26 | 1
Precip: 0.00
Average: 29 | 12
Precip: 0.04
23 Partly Cloudy
Actual: 19 | 7
Precip: T
Average: 29 | 11
Precip: 0.03
24 Snow
Actual: 22 | 18
Precip: T
Average: 28 | 11
Precip: 0.03
25 Clear
Actual: 14 | -1
Precip: 0.00
Average: 28 | 11
Precip: 0.04
26 Partly Cloudy
Actual: 22 | 3
Precip: 0.00
Average: 28 | 11
Precip: 0.03
27 Partly Cloudy
Actual: 24 | -3
Precip: 0.00
Average: 28 | 11
Precip: 0.03
28 Snow
Actual: 29 | 21
Precip: 0.05
Average: 28 | 11
Precip: 0.03
29 Snow
Actual: 21 | 4
Precip: T
Average: 28 | 10
Precip: 0.03
30 Scattered Clouds
Actual: 35 | -3
Precip: 0.00
Average: 28 | 10
Precip: 0.03
31 Clear
Actual: 28 | 2
Precip: 0.00
Average: 28 | 10
Precip: 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 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 52 41 30 52 44 30 100 93 85 30.07 29.88 29.79 5 2 0 13 6 15 0.00 Fog
2 56 46 35 50 43 34 100 76 51 30.03 29.93 29.84 10 3 0 18 5 23 0.00 Fog
3 67 54 40 57 48 30 100 79 58 30.01 29.79 29.63 10 6 1 25 14 35 0.00  
4 52 36 20 30 25 17 85 63 41 30.39 30.21 30.02 10 10 10 16 7 20 0.00  
5 40 28 16 30 19 13 84 64 44 30.43 30.28 30.06 10 10 10 22 10 30 0.00  
6 46 41 36 40 34 31 89 75 60 30.02 29.95 29.89 10 10 10 23 11 29 0.02 Rain
7 43 35 27 30 26 22 92 69 45 30.02 29.98 29.92 10 10 9 15 8 18 0.00  
8 39 30 20 31 25 17 92 76 59 30.07 30.02 29.99 10 9 2 16 7 21 0.01 Snow
9 34 29 24 34 30 21 100 92 84 29.99 29.87 29.77 10 5 1 21 9 26 0.18 Snow
10 26 20 13 23 14 8 92 83 73 30.00 29.94 29.81 10 10 10 23 9 30 0.00  
11 37 26 14 25 18 9 88 71 54 30.06 29.98 29.91 10 10 10 18 9 23 0.00  
12 49 37 25 21 18 15 81 55 29 30.11 30.08 30.04 10 10 10 26 14 35 0.00  
13 48 36 23 22 19 16 81 58 34 30.13 30.07 30.04 10 10 10 23 10 30 0.00  
14 51 34 17 39 25 15 92 67 42 30.14 30.01 29.82 10 10 8 17 7 24 T  
15 45 43 40 45 41 37 100 92 83 29.80 29.58 29.49 10 4 2 23 10 28 0.56 Rain
16 39 31 23 37 29 20 92 89 85 29.82 29.71 29.57 10 6 4 17 9 23 0.00  
17 27 24 21 23 21 19 100 91 81 29.81 29.77 29.69 7 5 4 14 4 16 0.00  
18 33 29 25 32 29 24 96 91 85 29.90 29.69 29.53 6 4 0 17 8 23 0.01 Fog , Snow
19 35 33 31 31 30 29 100 91 82 30.04 29.92 29.77 7 4 0 20 8 25 0.50 Fog , Snow
20 31 21 11 30 23 7 100 90 80 30.01 29.68 29.55 8 2 0 41 30 52 0.20 Fog , Snow
21 21 13 4 10 6 0 91 77 62 30.32 30.23 30.01 10 10 6 22 9 29 0.00 Snow
22 26 14 1 15 6 -2 95 75 55 30.28 30.11 29.99 10 9 5 14 4 16 0.00 Rain
23 19 13 7 16 12 6 92 86 80 30.13 30.05 29.98 9 7 4 14 7 16 T  
24 22 20 18 18 14 2 92 82 71 30.29 30.05 29.94 10 6 1 20 7 22 T Snow
25 14 7 -1 6 1 -5 87 77 67 30.48 30.41 30.30 10 10 10 15 9 17 0.00  
26 22 13 3 16 6 -2 96 85 73 30.37 30.29 30.25 10 10 6 12 6 13 0.00  
27 24 11 -3 19 10 -7 100 86 71 30.27 30.20 30.08 10 10 5 14 5 16 0.00  
28 29 25 21 23 21 17 96 86 75 30.09 30.00 29.94 10 4 1 12 7 14 0.05 Snow
29 21 13 4 18 10 1 88 81 73 30.27 30.14 29.97 10 7 4 21 10 24 T Snow
30 35 16 -3 23 7 -7 95 80 64 30.32 30.19 30.00 10 7 2 18 7 24 0.00  
31 28 15 2 19 7 -4 84 73 61 30.30 30.18 30.01 10 10 9 21 10 25 0.00  
Comma Delimited File