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Daily Data Report for May 2011

Notes on Data Quality.

OTTAWA MACDONALD-CARTIER INT'L A
ONTARIO
Latitude: 45°19'21.000" N Longitude: 75°40'09.000" W Elevation: 114.00 m
Climate ID: 6106000 WMO ID: 71628 TC ID: YOW
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Daily Data Report for May 2011
D
a
y		 Max Temp
°C
Maximum Temperature Graph		 Min Temp
°C
Minimum Temperature Graph		 Mean Temp
°C
Mean Temperature Graph		 Heat Deg Days
Heating Degree Days Graph		 Cool Deg Days
Cooling Degree Days Graph		 Total Rain
mm
Total Rain Graph		 Total Snow
cm
Total Snow Graph		 Total Precip
mm
Total Precipitation Graph		 Snow on Grnd
cm
Snow on Ground Graph		 Dir of Max Gust
10s deg		 Spd of Max Gust
km/h
Speed of Maximum Gust Graph
Sum       142.8 16.7 94.8 0.0 94.8        
Avg 19.0 8.9 13.9                  
Xtrm 30.4 0.8               21 57  
Summary, average and extreme values are based on the data above.
01 20.7 4.2 12.5 5.5 0.0 0.0 0.0 0.0 0 11E 41E  
02 15.0 5.2 10.1 7.9 0.0 7.8 0.0 7.8 0   <31  
03 8.5 4.8 6.7 11.3 0.0 7.6 0.0 7.6 0   <31  
04 9.0 4.4 6.7 11.3 0.0 1.2 0.0 1.2 0 35E 39E  
05 14.2 4.1 9.2 8.8 0.0 0.0 0.0 0.0 0 35E 50E  
06 18.1 0.8 9.5 8.5 0.0 0.8 0.0 0.8 0 25E 54E  
07 17.2 7.7 12.5 5.5 0.0 0.0 0.0 0.0 0 27E 32E  
08 14.9 6.8 10.9 7.1 0.0 0.0 0.0 0.0 0   <31  
09 19.1 5.8 12.5 5.5 0.0 0.0 0.0 0.0 0   <31  
10 19.0 6.3 12.7 5.3 0.0 0.0 0.0 0.0 0 8E 35E  
11 19.6 7.0 13.3 4.7 0.0 0.0 0.0 0.0 0 7E 39E  
12 21.2 8.0 14.6 3.4 0.0 0.0 0.0 0.0 0 8E 37E  
13 25.2 9.9 17.6 0.4 0.0 6.0 0.0 6.0 0   <31  
14 15.5 10.2 12.9 5.1 0.0 24.2 0.0 24.2 0   <31  
15 13.4 7.3 10.4 7.6 0.0 4.6 0.0 4.6 0 6E 56E  
16 9.0 5.8 7.4 10.6 0.0 4.8 0.0 4.8 0 5E 44E  
17 15.1 5.9 10.5 7.5 0.0 1.4 0.0 1.4 0 7E 50E  
18 17.4 9.0 13.2 4.8 0.0 1.4 0.0 1.4 0 7E 35E  
19 22.2 14.2 18.2 0.0 0.2 6.0 0.0 6.0 0 9E 32E  
20 24.3 15.3 19.8 0.0 1.8 T 0.0 T 0   <31  
21 25.1 13.6 19.4 0.0 1.4 0.0 0.0 0.0 0   <31  
22 21.2 11.1 16.2 1.8 0.0 1.6 0.0 1.6 0   <31  
23 26.0 15.6 20.8 0.0 2.8 0.2 0.0 0.2 0 21E 57E  
24 22.5 8.9 15.7 2.3 0.0 2.2 0.0 2.2 0 30E 46E  
25 18.3 5.1 11.7 6.3 0.0 0.4 0.0 0.4 0   <31  
26 15.2 10.7 13.0 5.0 0.0 6.0 0.0 6.0 0   <31  
27 18.4 9.4 13.9 4.1 0.0 13.8 0.0 13.8 0 9E 33E  
28 21.7 9.3 15.5 2.5 0.0 3.0 0.0 3.0 0 6E 32E  
29 24.1 15.5 19.8 0.0 1.8 1.8 0.0 1.8 0   <31  
30 26.3 15.8 21.1 0.0 3.1 0.0 0.0 0.0 0   <31  
31 30.4 16.7 23.6 0.0 5.6 0.0 0.0 0.0 0 22E 32E  
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  • Legend
  • [empty] = No data available
  • M = Missing
  • E = Estimated
  • A = Accumulated
  • C = Precipitation occurred, amount uncertain
  • L = Precipitation may or may not have occurred
  • F = Accumulated and estimated
  • N = Temperature missing but known to be > 0
  • Y = Temperature missing but known to be < 0
  • S = More than one occurrence
  • T = Trace
  • * = The value displayed is based on incomplete data
  • † = Data for this day has undergone only preliminary quality checking
  • ‡ = Partner data that is not subject to review by the National Climate Archives

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Date Modified: 2013-02-04

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