Station Name: TUKTOYAKTUK , NT WMO Station Number: 71959 National I.D. Number: 02203910 Country: CANADA WMO Region: REGION IV - NORTH & CENTRAL AMERICA Latitude: 69d 27m N Longitude: 133d 00m W Elevation: 18 m In the following tables, byr = beginning year of normals or extremes data period eyr = ending year of normals or extremes data period NA = Not Applicable, data not submitted or not computed * = value > 0 but < units resolution Ann-NCDC = annual value computed by NCDC from monthly values provided by Members ========================================================== The normals data and climate variable descriptions are presented in these tables as provided by the WMO Member country. ========================================================== Element 01: Dry Bulb Temperature (deg C) MEAN (Statistic 01): Mean Value ------------------ byr: 1957 eyr: 1990 Month ------------------ Jan -27.2 Feb -27.6 Mar -25.7 Apr -16.7 May -4.7 Jun 5.5 Jul 10.9 Aug 9.1 Sep 2.8 Oct -7.6 Nov -20.2 Dec -24.7 Annual -10.5 Ann-NCDC -10.5 ------------------ Element 01: Dry Bulb Temperature (deg C) Qualifier: 01: Mean Value #_YEARS (Statistic 98): Number of Years used to Calculate Normal ------------------ byr: 1957 eyr: 1990 Month ------------------ Jan 22 Feb 25 Mar 29 Apr 30 May 30 Jun 30 Jul 30 Aug 30 Sep 30 Oct 30 Nov 30 Dec 29 Annual NA Ann-NCDC NA ------------------ Element 02: Maximum Dry Bulb Temperature (deg C) MEAN (Statistic 01): Mean Value MAX_DLY (Statistic 11): Maximum Daily Value DATEMAX (Statistic 12): Date (Year/Day) of Occurrence of Maximum Daily Value ---------------------------------- byr: 1957 1957 1957 eyr: 1990 1990 1990 Statistic: MEAN MAX_DLY DATEMAX Month ---------------------------------- Jan -23.9 0.6 197405 Feb -24.2 0.8 198204 Mar -22.0 1.9 198811 Apr -12.4 6.6 198925 May -1.0 19.0 198531 Jun 10.1 28.0 197718 Jul 15.4 30.0 197326 Aug 12.6 30.0 195728 Sep 5.4 22.2 197401 Oct -5.2 10.0 196912 Nov -16.8 6.1 197001 Dec -21.3 1.1 197331 Annual -6.9 30.0 NA Ann-NCDC -6.9 NA NA ---------------------------------- Element 02: Maximum Dry Bulb Temperature (deg C) Statistic 98: Number of Years used to Calculate Normal Qualifier: 01: Mean Value Qualifier: 11: Maximum Daily Value -------------------------- byr: 1957 1957 eyr: 1990 1990 Qualifier: 01 11 Month -------------------------- Jan 22 30 Feb 25 30 Mar 29 30 Apr 30 30 May 30 30 Jun 30 30 Jul 30 30 Aug 30 30 Sep 30 30 Oct 30 30 Nov 30 30 Dec 29 30 Annual NA NA Ann-NCDC NA NA -------------------------- Element 03: Minimum Dry Bulb Temperature (deg C) MEAN (Statistic 01): Mean Value MIN_DLY (Statistic 13): Minimum Daily Value DATEMIN (Statistic 14): Date (Year/Day) of Occurrence of Minimum Daily Value ---------------------------------- byr: 1957 1957 1957 eyr: 1990 1991 1991 Statistic: MEAN MIN_DLY DATEMIN Month ---------------------------------- Jan -31.2 -48.9 197512 Feb -31.8 -50.0 196804 Mar -29.6 -45.0 197905 Apr -21.1 -41.7 197101 May -8.5 -27.2 196211 Jun 0.8 -11.1 196902 Jul 6.4 -2.2 196206 Aug 5.4 -2.8 198526 Sep 0.2 -12.2 197528 Oct -10.3 -31.1 195920 Nov -23.7 -38.9 196923 Dec -28.4 -43.9 197481 Annual -14.3 -50.0 NA Ann-NCDC -14.3 NA NA ---------------------------------- Element 03: Minimum Dry Bulb Temperature (deg C) Statistic 98: Number of Years used to Calculate Normal Qualifier: 01: Mean Value Qualifier: 13: Minimum Daily Value -------------------------- byr: 1957 1957 eyr: 1990 1991 Qualifier: 01 13 Month -------------------------- Jan 30 30 Feb 30 30 Mar 30 30 Apr 30 30 May 30 30 Jun 30 30 Jul 30 30 Aug 30 30 Sep 30 30 Oct 30 30 Nov 30 30 Dec 30 30 Annual NA NA Ann-NCDC NA NA -------------------------- Element 06: Precipitation (mm) MEANMLY (Statistic 15): Mean Monthly Value #_YEARS (Statistic 98): Number of Years used to Calculate Normal -------------------------- byr: 1957 1957 eyr: 1990 1990 Statistic: MEANMLY #_YEARS Month -------------------------- Jan 5.9 30 Feb 5.8 30 Mar 4.4 30 Apr 6.4 30 May 6.2 29 Jun 11.6 30 Jul 20.5 29 Aug 29.0 30 Sep 16.3 30 Oct 18.2 30 Nov 9.2 30 Dec 8.6 30 Annual 142.1 NA Ann-NCDC 142.1 NA -------------------------- Element 08: Maximum 24-Hour Precipitation (mm) MAX_DLY (Statistic 11): Maximum Daily Value DATEMAX (Statistic 12): Date (Year/Day) of Occurrence of Maximum Daily Value -------------------------- byr: 1957 1957 eyr: 1990 1990 Statistic: MAX_DLY DATEMAX Month -------------------------- Jan 10.2 196723 Feb 7.6 196226 Mar 11.0 197819 Apr 11.2 197727 May 12.4 198219 Jun 27.9 197210 Jul 20.3 195721 Aug 29.5 196125 Sep 13.6 198220 Oct 18.0 198122 Nov 10.7 197513 Dec 8.0 199019 Annual 29.5 NA Ann-NCDC NA NA -------------------------- Element 08: Maximum 24-Hour Precipitation (mm) Qualifier: 11: Maximum Daily Value #_YEARS (Statistic 98): Number of Years used to Calculate Normal ------------------ byr: 1957 eyr: 1990 Month ------------------ Jan 30 Feb 30 Mar 30 Apr 30 May 30 Jun 30 Jul 30 Aug 30 Sep 30 Oct 30 Nov 30 Dec 30 Annual NA Ann-NCDC NA ------------------ Element 09: Snowfall (cm) MEANDLY (Statistic 06): Mean Daily Value MAX_DLY (Statistic 11): Maximum Daily Value DATEMAX (Statistic 12): Date (Year/Day) of Occurrence of Maximum Daily Value MEANMLY (Statistic 15): Mean Monthly Value ------------------------------------------ byr: 1957 1957 1957 1957 eyr: 1991 1991 1991 1990 Statistic: MEANDLY MAX_DLY DATEMAX MEANMLY Month ------------------------------------------ Jan 2.5 10.2 196723 5.8 Feb 2.5 7.6 196226 5.7 Mar 2.2 11.0 197819 4.4 Apr 3.1 11.2 197727 6.4 May 1.9 9.0 198616 3.8 Jun 1.2 11.4 196901 1.7 Jul 0.2 4.1 196401 0.2 Aug 0.3 3.6 196908 0.4 Sep 2.3 12.7 195727 3.8 Oct 4.8 18.0 198122 16.8 Nov 3.4 10.7 197513 9.1 Dec 3.2 8.0 199019 8.6 Annual NA 18.0 NA 66.8 Ann-NCDC NA NA NA 66.7 ------------------------------------------ Element 09: Snowfall (cm) Statistic 98: Number of Years used to Calculate Normal Qualifier: 06: Mean Daily Value Qualifier: 15: Mean Monthly Value -------------------------- byr: 1957 1957 eyr: 1991 1990 Qualifier: 06 15 Month -------------------------- Jan 30 30 Feb 30 30 Mar 30 30 Apr 30 30 May 30 29 Jun 30 30 Jul 30 29 Aug 30 30 Sep 30 30 Oct 30 30 Nov 30 30 Dec 30 30 Annual NA NA Ann-NCDC NA NA -------------------------- Element 10: Snow Depth (cm) MNLSTDY (Statistic 51): Mean on Last Day of Month ------------------ byr: 1957 eyr: 1990 Month ------------------ Jan 27 Feb 30 Mar 32 Apr 27 May 3 Jun 0 Jul 0 Aug 0 Sep 1 Oct 12 Nov 19 Dec 23 Annual NA Ann-NCDC NA ------------------ Element 10: Snow Depth (cm) Qualifier: 51: Mean on Last Day of Month #_YEARS (Statistic 98): Number of Years used to Calculate Normal ------------------ byr: 1957 eyr: 1990 Month ------------------ Jan 30 Feb 30 Mar 30 Apr 30 May 29 Jun 30 Jul 30 Aug 30 Sep 30 Oct 30 Nov 30 Dec 30 Annual NA Ann-NCDC NA ------------------ Element 17: Wind Direction (degrees) Statistic 38: Frequency Qualifier: 000.0 degrees Qualifier: 045.0 degrees Qualifier: 090.0 degrees Qualifier: 135.0 degrees Qualifier: 180.0 degrees Qualifier: 225.0 degrees Qualifier: 270.0 degrees Qualifier: 315.0 degrees Qualifier: 360.0 degrees ---------------------------------------------------------------------------------- byr: 1955 1955 1955 1955 1955 1955 1955 1955 1955 eyr: 1991 1991 1991 1991 1991 1991 1991 1991 1991 Qualifier: 000.0 045.0 090.0 135.0 180.0 225.0 270.0 315.0 360.0 Month ---------------------------------------------------------------------------------- Jan .280 .018 .155 .187 .024 .800 .129 .179 .021 Feb .275 .017 .131 .181 .031 .016 .143 .183 .023 Mar .220 .011 .116 .200 .049 .035 .178 .174 .017 Apr .143 .013 .119 .218 .075 .052 .195 .168 .018 May .098 .019 .124 .259 .112 .069 .162 .131 .025 Jun .081 .030 .130 .247 .110 .064 .156 .145 .037 Jul .100 .032 .125 .216 .098 .060 .156 .166 .045 Aug .110 .033 .148 .199 .085 .047 .142 .192 .044 Sep .107 .035 .191 .221 .057 .026 .122 .193 .048 Oct .138 .038 .188 .179 .026 .900 .133 .239 .050 Nov .242 .031 .161 .147 .016 .600 .134 .222 .042 Dec .307 .020 .153 .179 .022 .900 .118 .170 .022 Annual NA NA NA NA NA NA NA NA NA Ann-NCDC NA NA NA NA NA NA NA NA NA ---------------------------------------------------------------------------------- Element 17: Wind Direction (degrees) Statistic 98: Number of Years used to Calculate Normal Qualifier: 000.0 degrees Qualifier: 045.0 degrees Qualifier: 090.0 degrees Qualifier: 135.0 degrees Qualifier: 180.0 degrees Qualifier: 225.0 degrees Qualifier: 270.0 degrees Qualifier: 315.0 degrees Qualifier: 360.0 degrees ---------------------------------------------------------------------------------- byr: 1955 1955 1955 1955 1955 1955 1955 1955 1955 eyr: 1991 1991 1991 1991 1991 1991 1991 1991 1991 Qualifier: 000.0 045.0 090.0 135.0 180.0 225.0 270.0 315.0 360.0 Month ---------------------------------------------------------------------------------- Jan 30 30 30 30 30 30 30 30 30 Feb 30 30 30 30 30 30 30 30 30 Mar 30 30 30 30 30 30 30 30 30 Apr 30 30 30 30 30 30 30 30 30 May 30 30 30 30 30 30 30 30 30 Jun 30 30 30 30 30 30 30 30 30 Jul 30 30 30 30 30 30 30 30 30 Aug 30 30 30 30 30 30 30 30 30 Sep 30 30 30 30 30 30 30 30 30 Oct 29 29 29 29 29 29 29 29 29 Nov 29 29 29 29 29 29 29 29 29 Dec 30 30 30 30 30 30 30 30 30 Annual NA NA NA NA NA NA NA NA NA Ann-NCDC NA NA NA NA NA NA NA NA NA ---------------------------------------------------------------------------------- Element 39: Rainfall (mm) MEANDLY (Statistic 06): Mean Daily Value MAX_DLY (Statistic 11): Maximum Daily Value DATEMAX (Statistic 12): Date (Year/Day) of Occurrence of Maximum Daily Value MEANMLY (Statistic 15): Mean Monthly Value ------------------------------------------ byr: 1957 1957 1957 1957 eyr: 1990 1990 1990 1990 Statistic: MEANDLY MAX_DLY DATEMAX MEANMLY Month ------------------------------------------ Jan 0.1 2.5 197405 0.0 Feb 0.1 4.0 198204 0.1 Mar 0.0 0.0 199181 0.0 Apr 0.0 0.4 197922 0.0 May 1.4 12.4 196127 2.3 Jun 5.9 27.9 197210 9.9 Jul 7.5 20.3 195721 20.2 Aug 10.5 29.5 196125 28.6 Sep 5.4 13.6 198220 12.6 Oct 1.4 14.7 197302 1.5 Nov 0.0 1.0 196721 0.0 Dec 0.0 0.0 199181 0.0 Annual 13.5 29.5 NA 75.4 Ann-NCDC NA NA NA 75.2 ------------------------------------------ Element 39: Rainfall (mm) Statistic 98: Number of Years used to Calculate Normal Qualifier: 06: Mean Daily Value Qualifier: 15: Mean Monthly Value -------------------------- byr: 1957 1957 eyr: 1990 1990 Qualifier: 06 15 Month -------------------------- Jan 30 30 Feb 30 30 Mar 30 30 Apr 30 30 May 30 29 Jun 30 30 Jul 30 29 Aug 30 30 Sep 30 30 Oct 30 30 Nov 30 30 Dec 30 30 Annual NA NA Ann-NCDC NA NA -------------------------- Element 54: Number Days with Rainfall GE Threshold (count) Statistic 15: Mean Monthly Value Qualifier: 0.2 mm Qualifier: 5.0 mm Qualifier: 10.0 mm Qualifier: 25.0 mm ------------------------------------------ byr: 1957 1957 1957 1957 eyr: 1990 1990 1990 1990 Qualifier: 0.2 5.0 10.0 25.0 Month ------------------------------------------ Jan * 0 0 0 Feb * 0 0 0 Mar 0 0 0 0 Apr * 0 0 0 May * * * 0 Jun 4 * * * Jul 7 1 * 0 Aug 9 2 * * Sep 6 * * 0 Oct * * * 0 Nov * 0 0 0 Dec 0 0 0 0 Annual 27 5 1 * Ann-NCDC 26.0 3.0 * * ------------------------------------------ Element 54: Number Days with Rainfall GE Threshold (count) Statistic 98: Number of Years used to Calculate Normal Qualifier: 0.2 mm Qualifier: 5.0 mm Qualifier: 10.0 mm Qualifier: 25.0 mm ------------------------------------------ byr: 1957 1957 1957 1957 eyr: 1990 1990 1990 1990 Qualifier: 0.2 5.0 10.0 25.0 Month ------------------------------------------ Jan 30 30 30 30 Feb 30 30 30 30 Mar 30 30 30 30 Apr 30 30 30 30 May 29 29 29 29 Jun 30 30 30 30 Jul 29 29 29 29 Aug 30 30 30 30 Sep 30 30 30 30 Oct 30 30 30 30 Nov 30 30 30 30 Dec 30 30 30 30 Annual NA NA NA NA Ann-NCDC NA NA NA NA ------------------------------------------ Element 85: Number Days Minimum Temperature LE Threshold (count) Qualifier: 0.0 deg C MEANMLY (Statistic 15): Mean Monthly Value ------------------ byr: 1957 eyr: 1990 Month ------------------ Jan 31 Feb 28 Mar 31 Apr 30 May 29 Jun 14 Jul 1 Aug 2 Sep 15 Oct 31 Nov 30 Dec 31 Annual 272 Ann-NCDC 273.0 ------------------ Element 85: Number Days Minimum Temperature LE Threshold (count) Qualifier: 15: Mean Monthly Value #_YEARS (Statistic 98): Number of Years used to Calculate Normal ------------------ byr: 1957 eyr: 1990 Month ------------------ Jan 30 Feb 30 Mar 30 Apr 30 May 29 Jun 30 Jul 29 Aug 30 Sep 30 Oct 30 Nov 30 Dec 30 Annual NA Ann-NCDC NA ------------------ Element 90: Number Days Maximum Temperature GT Threshold (count) Qualifier: 0.0 deg C MEANMLY (Statistic 15): Mean Monthly Value ------------------ byr: 1957 eyr: 1990 Month ------------------ Jan * Feb * Mar * Apr 2 May 13 Jun 29 Jul 31 Aug 31 Sep 27 Oct 5 Nov * Dec * Annual 138 Ann-NCDC 138.0 ------------------ Element 90: Number Days Maximum Temperature GT Threshold (count) Qualifier: 15: Mean Monthly Value #_YEARS (Statistic 98): Number of Years used to Calculate Normal ------------------ byr: 1957 eyr: 1990 Month ------------------ Jan 20 Feb 22 Mar 26 Apr 30 May 29 Jun 30 Jul 28 Aug 30 Sep 30 Oct 30 Nov 28 Dec 25 Annual NA Ann-NCDC NA ------------------ Element 92: Number Days Minimum Temperature GT Threshold (count) Qualifier: 0.0 deg C MEANMLY (Statistic 15): Mean Monthly Value ------------------ byr: 1957 eyr: 1990 Month ------------------ Jan 0 Feb 0 Mar 0 Apr 0 May 2 Jun 16 Jul 30 Aug 29 Sep 15 Oct * Nov 0 Dec 0 Annual 93 Ann-NCDC 92.0 ------------------ Element 92: Number Days Minimum Temperature GT Threshold (count) Qualifier: 15: Mean Monthly Value #_YEARS (Statistic 98): Number of Years used to Calculate Normal ------------------ byr: 1957 eyr: 1990 Month ------------------ Jan 30 Feb 30 Mar 30 Apr 30 May 29 Jun 30 Jul 29 Aug 30 Sep 30 Oct 30 Nov 30 Dec 30 Annual NA Ann-NCDC NA ------------------ Element 93: Number Days Minimum Temperature LT Threshold (count) Qualifier: -2.0 deg C MEANMLY (Statistic 15): Mean Monthly Value ------------------ byr: 1957 eyr: 1990 Month ------------------ Jan 31 Feb 28 Mar 31 Apr 30 May 27 Jun 5 Jul * Aug * Sep 6 Oct 29 Nov 30 Dec 31 Annual 248 Ann-NCDC 248.0 ------------------ Element 93: Number Days Minimum Temperature LT Threshold (count) Qualifier: 15: Mean Monthly Value #_YEARS (Statistic 98): Number of Years used to Calculate Normal ------------------ byr: 1957 eyr: 1990 Month ------------------ Jan 30 Feb 30 Mar 30 Apr 30 May 29 Jun 30 Jul 29 Aug 30 Sep 30 Oct 30 Nov 30 Dec 30 Annual NA Ann-NCDC NA ------------------ Element 94: Number Days with Snowfall GE Threshold (count) Statistic 15: Mean Monthly Value Qualifier: 0.2 cm Qualifier: 5.0 cm Qualifier: 10.0 cm Qualifier: 25.0 cm ------------------------------------------ byr: 1957 1957 1957 1957 eyr: 1990 1990 1990 1990 Qualifier: 0.2 5.0 10.0 25.0 Month ------------------------------------------ Jan 4 * * 0 Feb 4 * 0 0 Mar 3 * * 0 Apr 4 * * 0 May 3 * 0 0 Jun * * * 0 Jul * 0 0 0 Aug * 0 0 0 Sep 2 * * 0 Oct 9 * * 0 Nov 6 * * 0 Dec 6 * 0 0 Annual 43 2 * NA Ann-NCDC 41.0 * * 0.0 ------------------------------------------ Element 94: Number Days with Snowfall GE Threshold (count) Statistic 98: Number of Years used to Calculate Normal Qualifier: 0.2 cm Qualifier: 5.0 cm Qualifier: 10.0 cm Qualifier: 25.0 cm ------------------------------------------ byr: 1957 1957 1957 1957 eyr: 1990 1990 1990 1990 Qualifier: 0.2 5.0 10.0 25.0 Month ------------------------------------------ Jan 30 30 30 30 Feb 30 30 30 30 Mar 30 30 30 30 Apr 30 30 30 30 May 29 29 29 29 Jun 30 30 30 30 Jul 29 29 29 29 Aug 30 30 30 30 Sep 30 30 30 30 Oct 30 30 30 30 Nov 30 30 30 30 Dec 30 30 30 30 Annual NA NA NA NA Ann-NCDC NA NA NA NA ------------------------------------------ Element 95: Number Days with Precipitation GE Threshold (count) Statistic 15: Mean Monthly Value Qualifier: 0.2 mm Qualifier: 5.0 mm Qualifier: 10.0 mm Qualifier: 25.0 mm ------------------------------------------ byr: 1957 1957 1957 1957 eyr: 1990 1990 1990 1990 Qualifier: 0.2 5.0 10.0 25.0 Month ------------------------------------------ Jan 4 * * 0 Feb 4 * 0 0 Mar 3 * * 0 Apr 4 * * 0 May 3 * * 0 Jun 4 * * * Jul 7 1 * 0 Aug 10 2 * * Sep 7 * * 0 Oct 10 * * 0 Nov 6 * * 0 Dec 6 * 0 0 Annual 69 7 2 * Ann-NCDC 68.0 3.0 * * ------------------------------------------ Element 95: Number Days with Precipitation GE Threshold (count) Statistic 98: Number of Years used to Calculate Normal Qualifier: 0.2 mm Qualifier: 5.0 mm Qualifier: 10.0 mm Qualifier: 25.0 mm ------------------------------------------ byr: 1957 1957 1957 1957 eyr: 1990 1990 1990 1990 Qualifier: 0.2 5.0 10.0 25.0 Month ------------------------------------------ Jan 30 30 30 30 Feb 30 30 30 30 Mar 30 30 30 30 Apr 30 30 30 30 May 29 29 29 29 Jun 30 30 30 30 Jul 29 29 29 29 Aug 30 30 30 30 Sep 30 30 30 30 Oct 30 30 30 30 Nov 30 30 30 30 Dec 30 30 30 30 Annual NA NA NA NA Ann-NCDC NA NA NA NA ------------------------------------------ Element 96: Number Days with Snow Cover GE Threshold (count) Statistic 15: Mean Monthly Value Qualifier: 1.0 cm Qualifier: 5.0 cm Qualifier: 10.0 cm Qualifier: 20.0 cm Qualifier: 50.0 cm Qualifier: 100.0 cm ---------------------------------------------------------- byr: 1957 1957 1957 1957 1957 1957 eyr: 1990 1990 1990 1990 1990 1990 Qualifier: 1.0 5.0 10.0 20.0 50.0 100.0 Month ---------------------------------------------------------- Jan 31 31 30 21 1 0 Feb 28 28 28 21 2 0 Mar 31 31 31 26 4 0 Apr 30 30 30 23 6 0 May 28 24 17 6 1 0 Jun 2 * * 0 0 0 Jul * 0 0 0 0 0 Aug 0 0 0 0 0 0 Sep 2 * * 0 0 0 Oct 23 17 8 2 0 0 Nov 30 27 23 8 0 0 Dec 31 30 29 17 * 0 Annual 236 221 196 124 14 NA Ann-NCDC 236.0 218.0 196.0 124.0 14.0 0.0 ---------------------------------------------------------- Element 96: Number Days with Snow Cover GE Threshold (count) Statistic 98: Number of Years used to Calculate Normal Qualifier: 1.0 cm Qualifier: 5.0 cm Qualifier: 10.0 cm Qualifier: 20.0 cm Qualifier: 50.0 cm Qualifier: 100.0 cm ---------------------------------------------------------- byr: 1957 1957 1957 1957 1957 1957 eyr: 1990 1990 1990 1990 1990 1990 Qualifier: 1.0 5.0 10.0 20.0 50.0 100.0 Month ---------------------------------------------------------- Jan 30 30 30 30 30 30 Feb 30 30 30 30 30 30 Mar 30 30 30 30 30 30 Apr 30 30 30 30 30 30 May 29 29 29 29 29 29 Jun 30 30 30 30 30 30 Jul 29 29 29 29 29 29 Aug 30 30 30 30 30 30 Sep 30 30 30 30 30 30 Oct 30 30 30 30 30 30 Nov 30 30 30 30 30 30 Dec 30 30 30 30 30 30 Annual NA NA NA NA NA NA Ann-NCDC NA NA NA NA NA NA ----------------------------------------------------------