Weather History for Waterloo, IA

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Month of May, 2012

  Max Avg Min Sum
Temperature  
Max Temperature 92 °F 78 °F 54 °F
Mean Temperature 80 °F 66 °F 51 °F
Min Temperature 68 °F 53 °F 40 °F
Degree Days  
Heating Degree Days (base 65) 14 3 0 87
Cooling Degree Days (base 65) 15 3 0 103
Growing Degree Days (base 50) 30 15 1 473
Dew Point  
Dew Point 70 °F 50 °F 28 °F
Precipitation  
Precipitation 0.77 in 0.11 in 0.00 in 3.20 in
Snowdepth 0.0 in 0.0 in 0.0 in -
Wind  
Wind 33 mph 11 mph 0 mph
Gust Wind 48 mph 25 mph 16 mph
Sea Level Pressure  
Sea Level Pressure 30.32 in 29.92 in 29.37 in

Monthly Weather History Graph

Monthly Weather History Graph

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Date:

Astronomy

May. 02, 2012 Rise Set
Actual Time 6:02 AM CDT 8:11 PM CDT
Civil Twilight 5:31 AM CDT 8:42 PM CDT
Nautical Twilight 4:53 AM CDT 9:20 PM CDT
Astronomical Twilight 4:11 AM CDT 10:02 PM CDT
Moon 4:20 PM CDT (5/2) 3:37 AM CDT (5/2)
Length of Visible Light 15h 10m
Length of Day
14h 09m
Waxing Gibbous, 83% of the Moon is Illuminated
May 2
Waxing Gibbous
May 5
Full
May 12
Last Quarter
May 20
New
May 28
First Quarter

Weather History Calendar

Precipitation Actual month total 3.20 Normal Month Total: 4.53
Sunday Monday Tuesday Wednesday Thursday Friday Saturday
 
Rain
Actual:
69 | 46 0.01
Average:
67 | 44 0.14
Thunderstorm
Actual:
76 | 58 0.77
Average:
67 | 44 0.14
Thunderstorm
Actual:
85 | 66 0.01
Average:
68 | 44 0.14
Partly Cloudy
Actual:
82 | 59 T
Average:
68 | 45 0.14
Thunderstorm
Actual:
81 | 57 0.11
Average:
68 | 45 0.14
Thunderstorm
Actual:
78 | 59 0.20
Average:
69 | 46 0.14
Partly Cloudy
Actual:
70 | 54 0.00
Average:
69 | 46 0.13
Rain
Actual:
65 | 46 0.02
Average:
70 | 46 0.14
Partly Cloudy
Actual:
66 | 45 0.00
Average:
70 | 47 0.15
Clear
Actual:
73 | 40 0.00
Average:
70 | 47 0.14
Clear
Actual:
81 | 56 0.00
Average:
70 | 47 0.14
Clear
Actual:
71 | 48 0.00
Average:
71 | 48 0.14
Clear
Actual:
76 | 40 0.00
Average:
71 | 48 0.15
Clear
Actual:
82 | 43 0.00
Average:
71 | 48 0.14
Clear
Actual:
90 | 55 0.00
Average:
72 | 49 0.14
Clear
Actual:
75 | 47 0.00
Average:
72 | 49 0.15
Clear
Actual:
80 | 53 0.00
Average:
72 | 49 0.15
Clear
Actual:
89 | 57 0.00
Average:
73 | 50 0.15
Clear
Actual:
88 | 66 0.00
Average:
73 | 50 0.15
Partly Cloudy
Actual:
78 | 49 0.00
Average:
73 | 51 0.15
Clear
Actual:
78 | 41 0.00
Average:
74 | 51 0.15
Clear
Actual:
83 | 46 0.00
Average:
74 | 51 0.15
Clear
Actual:
87 | 61 0.00
Average:
74 | 52 0.15
Thunderstorm
Actual:
84 | 55 0.32
Average:
75 | 52 0.15
Thunderstorm
Actual:
69 | 49 0.68
Average:
75 | 52 0.15
Thunderstorm
Actual:
83 | 58 0.28
Average:
75 | 53 0.15
Clear
Actual:
92 | 68 0.00
Average:
76 | 53 0.15
Thunderstorm
Actual:
87 | 57 0.03
Average:
76 | 53 0.15
Clear
Actual:
74 | 53 0.00
Average:
76 | 54 0.15
Rain
Actual:
69 | 48 0.21
Average:
77 | 54 0.16
Rain
Actual:
54 | 48 0.56
Average:
77 | 54 0.16
 

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
May high avg low high avg low high avg low high avg low high avg low high avg high sum  
1 69 58 46 59 55 46 100 84 68 29.92 29.81 29.67 10 9 6 24 13 31 0.01 Rain
2 76 67 58 68 62 57 100 82 64 29.80 29.73 29.62 10 8 1 31 10 39 0.77 Rain , Thunderstorm
3 85 76 66 68 64 60 93 71 48 29.85 29.79 29.74 10 10 10 15 8 24 0.01 Rain , Thunderstorm
4 82 71 59 65 62 55 100 76 51 29.93 29.87 29.81 10 10 7 28 7 35 T  
5 81 69 57 65 60 55 100 79 58 29.94 29.92 29.87 10 7 2 24 13 30 0.11 Rain , Thunderstorm
6 78 69 59 66 62 56 100 82 64 29.99 29.88 29.77 10 6 2 21 9 26 0.20 Rain , Thunderstorm
7 70 62 54 56 52 43 93 68 42 29.99 29.94 29.91 10 10 10 23 11 29 0.00  
8 65 56 46 47 43 41 86 65 44 29.96 29.93 29.90 10 10 6 25 11 36 0.02 Rain
9 66 56 45 49 43 37 100 69 37 30.03 29.99 29.95 10 10 10 17 8 30 0.00  
10 73 57 40 46 42 38 96 64 31 30.01 29.95 29.88 10 10 10 16 7 35 0.00  
11 81 69 56 56 49 41 67 53 39 30.17 29.99 29.92 10 10 10 25 15 35 0.00  
12 71 60 48 43 39 34 74 51 27 30.32 30.26 30.18 10 10 10 18 9 25 0.00  
13 76 58 40 44 36 28 89 54 19 30.30 30.22 30.12 10 10 10 12 2 16 0.00  
14 82 63 43 46 41 37 89 55 21 30.12 30.04 29.95 10 10 10 17 7 23 0.00  
15 90 73 55 49 42 33 60 40 19 30.00 29.89 29.81 10 10 10 29 14 37 0.00  
16 75 61 47 44 38 30 66 44 21 30.15 30.08 30.02 10 10 10 14 5 18 0.00  
17 80 67 53 43 39 35 66 44 21 30.09 29.99 29.89 10 10 10 28 14 33 0.00  
18 89 73 57 52 47 39 57 43 29 29.94 29.87 29.81 10 10 10 24 14 31 0.00  
19 88 77 66 58 53 49 63 46 29 29.90 29.86 29.83 10 10 10 28 16 35 0.00  
20 78 64 49 60 53 40 73 61 48 30.20 29.99 29.82 10 10 10 33 14 48 0.00  
21 78 60 41 43 38 29 83 51 18 30.27 30.19 30.10 10 10 10 17 6 31 0.00  
22 83 65 46 46 42 38 77 51 24 30.11 29.95 29.80 10 10 10 20 9 24 0.00  
23 87 74 61 52 48 45 60 42 24 29.78 29.65 29.51 10 10 10 31 20 41 0.00  
24 84 70 55 68 59 52 93 69 44 29.74 29.50 29.37 10 9 2 31 16 44 0.32 Rain , Thunderstorm
25 69 59 49 57 55 50 100 79 58 30.09 30.00 29.76 10 9 2 21 6 25 0.68 Rain , Thunderstorm
26 83 71 58 70 60 55 93 74 54 30.13 29.99 29.86 10 10 7 31 15 38 0.28 Rain , Thunderstorm
27 92 80 68 70 64 58 97 66 34 29.86 29.77 29.68 10 10 6 23 13 31 0.00  
28 87 72 57 64 58 49 78 54 29 29.83 29.70 29.65 10 10 5 23 11 32 0.03 Rain , Thunderstorm
29 74 64 53 52 44 40 93 62 31 29.94 29.87 29.82 10 10 10 26 12 35 0.00  
30 69 59 48 50 43 40 89 63 37 30.02 29.96 29.88 10 10 6 18 9 22 0.21 Rain
31 54 51 48 50 48 46 100 92 83 30.01 29.98 29.93 10 6 2 20 9 24 0.56 Rain