Notices

What’s New in latest Release from January 14th 2021:

·       In Historical Hourly Data Report, users can switch between Local Standard Time (LST) and Universal Time Coordinates (UTC) time.

·       In Historical Hourly Data Report, we have an addition of a new column to display hourly precipitation data for the stations where the data are available, from 2001 onwards.

·       Expanded the Search Options of the Canadian Historical Weather Radar, users now able to select 24 hours (1 image every hour) image viewing duration.

Please note that the IDF dataset is available through this link: Intensity-Duration-Frequency (IDF) Files .

Daily Data Report for January 2021

OTTAWA INTL A
ONTARIO
Current Station Operator: NAVCAN

45°19'00.000" N
75°40'00.000" W
114.90 m
6106001
71628
YOW

Related Data

No related data is available for this station

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Daily Data (2021)
Daily Data Report for January 2021
DAY Max Temp Definition
°C
Min Temp Definition
°C
Mean Temp Definition
°C
Heat Deg Days Definition

Cool Deg Days Definition

Total Rain Definition
mm
Total Snow Definition
cm
Total Precip Definition
mm
Snow on Grnd Definition
cm
Dir of Max Gust Definition
10's deg

Spd of Max Gust Definition
km/h
01 -0.3 -5.7 -3.0 21.0 0.0 0.0 2.4 1.6 LegendTT 7 37
02 -0.6 -6.8 -3.7 21.7 0.0 0.0 7.6 3.5 10 6 41
03 -2.3 -6.8 -4.6 22.6 0.0 0.0 LegendTT LegendTT 8 LegendMM LegendMM
04 -0.9 -3.9 -2.4 20.4 0.0 0.0 0.2 0.4 7 LegendMM LegendMM
05 -1.8 -3.4 -2.6 20.6 0.0 0.0 0.6 0.4 5 LegendMM LegendMM
06 -2.4 -5.0 -3.7 21.7 0.0 0.0 0.0 0.0 4 33 39
07 -2.7 -7.5 -5.1 23.1 0.0 0.0 LegendTT LegendTT 4 33 37
08 -6.2 -12.6 -9.4 27.4 0.0 0.0 LegendTT LegendTT 4 33 32
09 -1.6 -10.2 -5.9 23.9 0.0 0.0 0.0 0.0 4 33 37
10 -6.2 -11.2 -8.7 26.7 0.0 0.0 LegendTT LegendTT 3 LegendMM LegendMM
11 1.1 -6.0 -2.5 20.5 0.0 0.0 0.4 0.4 3 26 39
12 0.8 -2.0 -0.6 18.6 0.0 0.0 LegendTT LegendTT 2 LegendMM LegendMM
13 0.6 -2.7 -1.1 19.1 0.0 0.3 0.0 0.3 LegendTT LegendMM LegendMM
14 0.4 -0.7 -0.2 18.2 0.0 0.0 0.0 0.0 2 LegendMM LegendMM
15 0.7 -2.1 -0.7 18.7 0.0 0.0 0.4 0.2 2 7 39
16 0.2 -0.7 -0.3 18.3 0.0 LegendMM 21.0 14.8 13 7 33
17 0.2 -7.3 -3.6 21.6 0.0 0.0 0.4 0.2 19 27 54
18 -7.5 -14.9 -11.2 29.2 0.0 0.0 0.0 0.0 18 27 33
19 -7.3 -16.4 -11.9 29.9 0.0 0.0 1.4 0.8 18 LegendMM LegendMM
20 -9.1 -17.9 -13.5 31.5 0.0 0.0 LegendTT LegendTT 18 28 41
21 -3.2 -13.9 -8.6 26.6 0.0 0.0 6.6 3.0 21 35 33
22 -2.1 -12.8 -7.5 25.5 0.0 0.0 LegendTT LegendTT 25 30 41
23 -13.5 -18.1 -15.8 33.8 0.0 LegendTT 0.0 LegendTT 25 29 42
24 -10.5 -18.8 -14.7 32.7 0.0 0.0 0.0 0.0 24 29 48
25 LegendMM LegendMM LegendMM LegendMM LegendMM 0.0 LegendTT LegendTT 24 LegendMM LegendMM
26 -4.3 -7.8 -6.1 24.1 0.0 0.0 7.6 4.4 24 4 39
27 -3.6 -8.6 -6.1 24.1 0.0 0.0 0.4 0.2 30 33 LegendMM
28 -7.9 -18.4 -13.2 31.2 0.0 0.0 LegendTT LegendTT 29 32 45
29 -11.5 -19.8 -15.7 33.7 0.0 0.0 LegendTT LegendTT 28 33 39
30 -11.5 -19.3 -15.4 33.4 0.0 0.0 LegendTT LegendTT 27 LegendMM LegendMM
31 -12.8 -22.0 -17.4 35.4 0.0 LegendTT 0.0 LegendTT 27 LegendMM LegendMM
Sum   755.2LegendCarer^0.0LegendCarer^0.3LegendCarer^49.030.2   
Avg-4.2LegendCarer^-10.1LegendCarer^-7.2LegendCarer^        
Xtrm1.1LegendCarer^-22.0LegendCarer^       27LegendCarer^54LegendCarer^
Summary, average and extreme values are based on the data above.

Notes on Data Quality.

Legend

  • A = Accumulated
  • C = Precipitation occurred, amount uncertain
  • E = Estimated
  • F = Accumulated and estimated
  • L = Precipitation may or may not have occurred
  • M = Missing
  • N = Temperature missing but known to be > 0
  • S = More than one occurrence
  • T = Trace
  • Y = Temperature missing but known to be   < 0
  • [empty] = Indicates an unobserved value
  • ^ = The value displayed is based on incomplete data
  • † = Data that is not subject to review by the National Climate Archives
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