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Daily Data Report for December 2011

Notes on Data Quality.

OTTAWA INT'L
ONTARIO
Latitude:	45°19'00.000" N	Longitude:	75°40'00.000" W	Elevation:	114.00 m
Climate ID:	6106001	WMO ID:	71628	TC ID:	YOW

Daily Data Report for December 2011
D a y	Max Temp °C	Min Temp °C	Mean Temp °C	Heat Deg Days	Cool Deg Days	Total Rain mm	Total Snow cm	Total Precip mm	Snow on Grnd cm	Dir of Max Gust 10s deg	Spd of Max Gust km/h
Sum				415.8*	0.0*	23.6*	21.8*	49.8*
Avg	-1.8*	-11.1*	-6.5*
Xtrm	10.4*	-21.4*									46*

Summary, average and extreme values are based on the data above.
01
02
03
04
05
06
07
08
09
10
11
12
13
14
15‡	10.4	1.6	6.0	12.0	0.0	5.6	0.0	5.6		M	39
16‡	6.7	-6.5	0.1	17.9	0.0	0.6	1.0	1.2		M	35
17‡	-6.5	-14.8	-10.7	28.7	0.0	0.0	0.0	0.0		M	<31
18‡	-5.3	-16.1	-10.7	28.7	0.0	0.0	0.0	0.0	1	M	<31
19‡	5.1	-5.3	-0.1	18.1	0.0	0.8	0.2	0.8		M	46
20‡	-3.9	-11.5	-7.7	25.7	0.0	0.0	0.0	0.0		M	<31
21‡	0.3	-7.6	-3.7	21.7	0.0	15.6	T	15.6		M	<31
22‡	3.9	-0.4	1.8	16.2	0.0	0.6	1.0	1.6		M	<31
23‡	0.2	-14.6	-7.2	25.2	0.0	0.0	3.0	1.2	3	M	<31
24‡	-11.1	-17.0	-14.1	32.1	0.0	0.0	0.0	0.0	3	M	<31
25‡	-5.4	-16.3	-10.9	28.9	0.0	0.0	10.4	8.4	4	M	<31
26‡	0.1	-10.3	-5.1	23.1	0.0	0.0	0.0	0.0	11	M	32
27‡	1.0	-2.0E	-0.5E	18.5E		M	M	10.0E	7	M	M
28‡	0.1	-18.0	-9.0	27.0	0.0	0.0	2.6	1.2	13	M	43
29‡	-15.5	-21.4	-18.5	36.5	0.0	0.0	0.0	0.0	13	M	<31
30‡	-8.4	-19.6	-14.0	32.0	0.0	0.0	2.6	2.0	13	M	<31
31‡	-2.5	-8.5	-5.5	23.5	0.0	0.4	1.0	2.2	15	M	<31

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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Daily Data Report for December 2011