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Daily Data Report for April 1939

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 April 1939
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       488.9 0.0 28.4 26.3 54.7        
Avg 5.5 -2.1 1.7                  
Xtrm 16.7 -11.1                    
Summary, average and extreme values are based on the data above.
01 4.4 -1.7 1.4 16.6 0.0 6.4 0.5 6.9        
02 2.8 -1.1 0.9 17.1 0.0 0.0 5.8 5.8        
03 2.8 -4.4 -0.8 18.8 0.0 0.0 0.5 0.5        
04 1.1 -6.1 -2.5 20.5 0.0 0.0 0.0 0.0        
05 3.9 -4.4 -0.3 18.3 0.0 0.0 0.0 0.0        
06 1.7 -1.7 0.0 18.0 0.0 T T T        
07 0.0 -4.4 -2.2 20.2 0.0 0.0 T T        
08 2.8 -7.2 -2.2 20.2 0.0 0.0 7.1 7.1        
09 2.8 -8.3 -2.8 20.8 0.0 0.0 2.5 2.5        
10 2.2 -11.1 -4.5 22.5 0.0 0.0 5.1 5.1        
11 4.4 -1.7 1.4 16.6 0.0 0.0 0.0 0.0        
12 0.6 -2.8 -1.1 19.1 0.0 0.0 3.0 3.0        
13 5.0 -3.9 0.6 17.4 0.0 0.0 0.0 0.0        
14 5.0 -2.2 1.4 16.6 0.0 0.5 1.5 2.0        
15 3.3 -1.1 1.1 16.9 0.0 0.0 0.0 0.0        
16 -0.6 -8.3 -4.5 22.5 0.0 0.0 0.0 0.0        
17 3.3 -7.2 -2.0 20.0 0.0 5.8 0.3 6.1        
18 2.8 0.0 1.4 16.6 0.0 1.3 0.0 1.3        
19 4.4 1.1 2.8 15.2 0.0 8.1 0.0 8.1        
20 6.1 1.7 3.9 14.1 0.0 0.0 0.0 0.0        
21 7.8 0.0 3.9 14.1 0.0 2.0 0.0 2.0        
22 11.7 3.9 7.8 10.2 0.0 0.3 0.0 0.3        
23 11.7 1.7 6.7 11.3 0.0 0.0 T T        
24 2.2 -0.6 0.8 17.2 0.0 3.0 T 3.0        
25 11.7 0.0 5.9 12.1 0.0 0.0 0.0 0.0        
26 16.7 2.2 9.5 8.5 0.0 T 0.0 T        
27 7.2 5.0 6.1 11.9 0.0 1.0 0.0 1.0        
28 10.6 0.0 5.3 12.7 0.0 0.0 0.0 0.0        
29 14.4 1.1 7.8 10.2 0.0 0.0 0.0 0.0        
30 12.2 -1.7 5.3 12.7 0.0 0.0 0.0 0.0        
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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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