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Country or TerritoryStation NameWMO Station NumberNational Station Id NumberPeriodElement-Statistic Qualifier CodeStatistic DescriptionUnitJan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual Annual NCDC Computed Value 
CANADANANAIMO A , BC71890010253701947-1990 Mean Daily Valuemm29.6 26.4 26.1 17.5 13.3 12.6 9.8 12.1 14.6 25.0 31.5 37.1 49.5 -9999.91
CANADANANAIMO A , BC71890010253701947-1990 Maximum Daily Valuemm70.6 66.5 46.2 58.7 30.8 29.9 23.6 50.3 47.2 91.7 84.1 74.4 91.7 -9999.91
CANADANANAIMO A , BC71890010253701947-1990 Date (Year/Day) of Occurrence of Maximum Daily Valuemm196818 199101 198308 196227 198425 198025 194923 199129 195329 196321 195502 197917 -9999 -9999 
CANADANANAIMO A , BC71890010253701947-1990 Mean Monthly Valuemm131.8 111.0 107.5 59.6 46.9 39.4 24.3 30.0 44.0 100.8 179.5 170.2 1045.0 1045.0 
CANADANANAIMO A , BC71890010253701947-199006Number of Years used to Calculate Normalmm30 30 30 30 30 30 30 30 30 30 30 29 -9999.91-9999.91
CANADANANAIMO A , BC71890010253701947-199015Number of Years used to Calculate Normalmm30 30 30 30 30 30 30 30 30 29 29 29 -9999.91-9999.91
CANADALYTTON , BC71891011147411970-1990 Mean Daily Valuemm17.8 10.3 11.9 8.3 6.9 8.3 7.3 7.9 11.3 13.3 16.6 16.6 30.9 -9999.91
CANADALYTTON , BC71891011147411970-1990 Maximum Daily Valuemm60.5 33.2 26.1 18.7 20.1 31.2 34.3 19.6 27.9 46.0 43.2 36.6 60.5 -9999.91
CANADALYTTON , BC71891011147411970-1990 Date (Year/Day) of Occurrence of Maximum Daily Valuemm197415 199101 198909 199103 198015 198004 197106 199129 197221 198222 199012 198203 -9999 -9999 
CANADALYTTON , BC71891011147411970-1990 Mean Monthly Valuemm34.4 23.9 27.6 18.4 17.6 18.0 14.2 17.1 26.2 35.2 48.1 43.3 324.2 324.0 
CANADALYTTON , BC71891011147411970-199006Number of Years used to Calculate Normalmm21 21 21 21 21 21 21 21 21 21 21 21 -9999.91-9999.91
CANADALYTTON , BC71891011147411970-199015Number of Years used to Calculate Normalmm20 21 21 21 21 21 21 21 21 21 21 21 -9999.91-9999.91
CANADAVANCOUVER INT'L A , BC71892011084471937-1990 Mean Daily Valuemm28.6 26.0 23.6 18.4 18.3 16.0 15.7 13.9 22.6 25.9 33.3 34.4 49.9 -9999.91
CANADAVANCOUVER INT'L A , BC71892011084471937-1990 Maximum Daily Valuemm68.3 64.2 49.3 44.5 29.0 40.4 45.2 31.8 49.5 60.7 65.0 89.4 89.4 -9999.91
CANADAVANCOUVER INT'L A , BC71892011084471937-1990 Date (Year/Day) of Occurrence of Maximum Daily Valuemm196818 198213 197409 194610 199031 194214 197212 199130 195924 197529 198903 197225 -9999 -9999 
CANADAVANCOUVER INT'L A , BC71892011084471937-1990 Mean Monthly Valuemm131.6 115.6 105.4 74.9 61.7 45.7 36.1 38.1 64.4 115.3 167.2 161.2 1117.2 1117.2 
CANADAVANCOUVER INT'L A , BC71892011084471937-199006Number of Years used to Calculate Normalmm30 30 30 30 30 30 30 30 30 30 30 30 -9999.91-9999.91
CANADAVANCOUVER INT'L A , BC71892011084471937-199015Number of Years used to Calculate Normalmm30 30 30 30 30 30 30 30 30 30 30 30 -9999.91-9999.91
CANADACOMOX A , BC71893010218301944-1990 Mean Daily Valuemm29.6 26.2 28.0 16.9 12.7 12.8 11.6 13.2 16.1 30.7 36.4 40.1 53.9 -9999.91
CANADACOMOX A , BC71893010218301944-1990 Maximum Daily Valuemm77.0 80.2 56.6 40.9 29.2 30.5 37.3 69.1 42.2 59.4 69.9 113.0 113.0 -9999.91
CANADACOMOX A , BC71893010218301944-1990 Date (Year/Day) of Occurrence of Maximum Daily Valuemm196818 198311 197409 195011 197323 194726 197416 195711 197320 195619 199119 195722 -9999 -9999 
CANADACOMOX A , BC71893010218301944-1990 Mean Monthly Valuemm135.2 110.8 104.7 57.4 43.3 36.2 30.6 36.1 48.5 129.8 187.4 171.3 1091.4 1091.3 
CANADACOMOX A , BC71893010218301944-199006Number of Years used to Calculate Normalmm30 30 30 30 30 30 30 30 30 30 30 30 -9999.91-9999.91
CANADACOMOX A , BC71893010218301944-199015Number of Years used to Calculate Normalmm30 30 30 30 30 30 30 30 30 30 30 30 -9999.91-9999.91
CANADAPRINCE GEORGE A , BC71896010964501942-1990 Mean Daily Valuemm3.1 4.4 4.9 9.2 13.8 15.7 15.5 17.6 15.1 13.4 6.6 3.6 25.5 -9999.91
CANADAPRINCE GEORGE A , BC71896010964501942-1990 Maximum Daily Valuemm12.4 17.8 18.0 25.5 24.9 38.9 28.2 50.0 33.3 38.9 24.9 16.0 50.0 -9999.91
CANADAPRINCE GEORGE A , BC71896010964501942-1990 Date (Year/Day) of Occurrence of Maximum Daily Valuemm196029 196202 195731 199024 198413 196006 198313 194804 196424 196203 197201 197616 -9999 -9999 
CANADAPRINCE GEORGE A , BC71896010964501942-1990 Mean Monthly Valuemm5.3 8.2 12.0 19.5 49.2 64.5 60.0 61.2 58.6 51.4 16.6 8.7 415.2 415.2 
CANADAPRINCE GEORGE A , BC71896010964501942-199006Number of Years used to Calculate Normalmm30 30 30 30 30 30 30 30 30 30 30 30 -9999.91-9999.91
CANADAPRINCE GEORGE A , BC71896010964501942-199015Number of Years used to Calculate Normalmm30 30 30 30 30 30 30 30 30 30 30 30 -9999.91-9999.91
CANADAMCINNES ISLAND , BC71897010650101954-1990 Mean Daily Valuemm60.3 41.9 33.5 36.5 31.0 31.0 26.7 32.9 50.8 64.4 53.0 47.4 90.6 -9999.91
CANADAMCINNES ISLAND , BC71897010650101954-1990 Maximum Daily Valuemm319.0 116.1 79.5 73.8 71.4 96.0 62.2 69.6 103.6 156.0 122.2 117.4 319.0 -9999.91
CANADAMCINNES ISLAND , BC71897010650101954-1990 Date (Year/Day) of Occurrence of Maximum Daily Valuemm198426 195712 196016 198414 195907 198711 198824 199125 198005 196216 197512 198406 -9999 -9999 
CANADAMCINNES ISLAND , BC71897010650101954-1990 Mean Monthly Valuemm296.1 223.1 206.4 185.0 151.2 125.5 100.2 137.1 208.1 344.3 328.2 273.0 2578.3 2578.2 
CANADAMCINNES ISLAND , BC71897010650101954-199006Number of Years used to Calculate Normalmm30 29 30 30 30 30 30 30 30 30 30 30 -9999.91-9999.91
CANADAMCINNES ISLAND , BC71897010650101954-199015Number of Years used to Calculate Normalmm26 29 29 30 29 29 29 28 30 29 29 29 -9999.91-9999.91
CANADAPRINCE RUPERT A , BC71898010664811962-1990 Mean Daily Valuemm43.4 37.4 27.2 37.6 28.8 28.0 24.0 39.9 49.7 56.9 46.4 41.2 77.5 -9999.91
CANADAPRINCE RUPERT A , BC71898010664811962-1990 Maximum Daily Valuemm84.0 95.0 53.2 98.6 56.8 64.2 67.2 87.6 118.2 107.8 73.4 93.2 118.2 -9999.91
CANADAPRINCE RUPERT A , BC71898010664811962-1990 Date (Year/Day) of Occurrence of Maximum Daily Valuemm198208 196409 198127 197226 197925 198711 198823 196710 198325 198605 198111 199007 -9999 -9999 
CANADAPRINCE RUPERT A , BC71898010664811962-1990 Mean Monthly Valuemm205.6 189.1 168.3 174.3 142.0 119.5 112.9 162.8 244.7 378.6 272.2 239.2 2409.1 2409.2 
CANADAPRINCE RUPERT A , BC71898010664811962-199006Number of Years used to Calculate Normalmm28 28 28 28 29 29 29 29 29 29 29 29 -9999.91-9999.91
CANADAPRINCE RUPERT A , BC71898010664811962-199015Number of Years used to Calculate Normalmm28 28 28 28 29 29 29 29 28 28 28 28 -9999.91-9999.91
CANADALANGARA , BC71899010545001936-1990 Mean Daily Valuemm28.6 22.7 21.2 22.2 19.0 18.0 19.8 23.1 29.9 38.2 32.5 31.0 49.2 -9999.91
CANADALANGARA , BC71899010545001936-1990 Maximum Daily Valuemm71.2 46.0 52.0 54.9 65.3 38.9 53.6 46.0 56.8 67.8 88.4 57.0 88.4 -9999.91
CANADALANGARA , BC71899010545001936-1990 Date (Year/Day) of Occurrence of Maximum Daily Valuemm198625 194312 199015 193906 194501 195725 198823 194011 198325 198209 196901 197926 -9999 -9999 
CANADALANGARA , BC71899010545001936-1990 Mean Monthly Valuemm162.2 127.0 124.7 129.1 105.2 92.8 83.3 112.1 179.0 269.5 202.1 185.3 1772.1 1772.3 
CANADALANGARA , BC71899010545001936-199006Number of Years used to Calculate Normalmm30 30 30 30 30 30 30 29 30 30 30 30 -9999.91-9999.91
CANADALANGARA , BC71899010545001936-199015Number of Years used to Calculate Normalmm30 30 30 30 30 30 30 29 30 30 29 29 -9999.91-9999.91
CANADANAIN A , NF71902085028001926-1990 Maximum Daily Valuemm8.1 5.6 31.6 10.9 45.7 42.2 54.1 65.8 63.8 31.2 32.5 53.1 65.8 -9999.91
CANADANAIN A , NF71902085028001926-1990 Date (Year/Day) of Occurrence of Maximum Daily Valuemm194016 194014 198811 197306 197018 192926 192830 195317 193224 192708 194104 192718 -9999 -9999 

Footnotes

1 - code for missing value
Source

World Meteorological Organization Standard Normals

Source:  World Meteorological Organization

WMO data provide the basis for better understanding the climatology of severe weather and extreme events such as tropical cyclones, El Niño, floods, heat waves, cold waves, droughts and other natural hazards, contributing to saving both lives and property, and improving our understanding and monitoring of the climate system and environment. WMO has drawn attention to issues of major concern, such as ozone layer depletion, global warming, climate change and diminishing water resources.

WMO enhances the application of meteorological and hydrological information for the security and well-being of society. Such information is crucial for addressing major challenges such as food security, water resources management, reduction of pollution, decision-making related to the health sector, transport, tourism among others.

WMO provides guidelines to use procedures for analysing climate data for climate change purposes as well as for other applications. This includes, inter-alia, analysis of extremes in a changing climate, the role of climatological normals in a changing climate and climate data homogenisation. Description of processes, methodologies and practices in climatology are provided within a mandatory publication representing the WMO guide to climatological practices.

WMO defines climatological standard normals as "averages of climatological data computed for the following consecutive periods of 30 years: January 1, 1901 to December 31, 1930, January 1, 1931 to December 31, 1960, etc." (WMO, 1984).The latest global standard normals period is 1961-1990. The next standard normals periode is January 1991 – December 2020.
Last update in UNdata: 14 Jul 2010
Next update in UNdata: To be confirmed