Station Name: FORT CHIPEWYAN A , AB WMO Station Number: 71933 National I.D. Number: 03072658 Country: CANADA WMO Region: REGION IV - NORTH & CENTRAL AMERICA Latitude: 58d 46m N Longitude: 111d 07m W Elevation: 232 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: 1967 eyr: 1990 Month ------------------ Jan -24.2 Feb -19.7 Mar -12.1 Apr -0.2 May 8.3 Jun 14.1 Jul 16.4 Aug 14.7 Sep 8.3 Oct 1.0 Nov -11.4 Dec -20.2 Annual -2.1 Ann-NCDC -2.1 ------------------ Element 01: Dry Bulb Temperature (deg C) Qualifier: 01: Mean Value #_YEARS (Statistic 98): Number of Years used to Calculate Normal ------------------ byr: 1967 eyr: 1990 Month ------------------ Jan 22 Feb 23 Mar 23 Apr 23 May 23 Jun 23 Jul 23 Aug 23 Sep 23 Oct 22 Nov 23 Dec 23 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: 1967 1967 1967 eyr: 1990 1990 1990 Statistic: MEAN MAX_DLY DATEMAX Month ---------------------------------- Jan -18.8 7.5 198926 Feb -13.6 11.0 198628 Mar -5.5 14.5 198430 Apr 5.7 27.1 198029 May 14.5 32.0 198626 Jun 20.2 34.4 197004 Jul 22.4 34.0 198916 Aug 20.6 34.0 199168 Sep 13.2 29.0 198108 Oct 5.2 26.5 198702 Nov -7.0 17.0 198413 Dec -15.2 7.8 196901 Annual 3.5 34.4 NA Ann-NCDC 3.5 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: 1967 1967 eyr: 1990 1990 Qualifier: 01 11 Month -------------------------- Jan 22 22 Feb 23 23 Mar 23 23 Apr 23 23 May 23 23 Jun 23 23 Jul 23 23 Aug 23 23 Sep 23 23 Oct 22 23 Nov 23 24 Dec 23 23 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: 1967 1967 1967 eyr: 1990 1991 1991 Statistic: MEAN MIN_DLY DATEMIN Month ---------------------------------- Jan -29.7 -50.0 196926 Feb -25.8 -46.7 197512 Mar -19.0 -43.5 198413 Apr -6.2 -34.1 197905 May 2.1 -10.6 197903 Jun 8.0 -4.0 199002 Jul 10.4 0.0 198559 Aug 8.7 -4.2 197929 Sep 3.3 -12.2 197478 Oct -3.3 -30.0 198431 Nov -16.0 -39.0 199076 Dec -25.4 -47.8 197511 Annual -7.7 -50.0 NA Ann-NCDC -7.7 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: 1967 1967 eyr: 1990 1991 Qualifier: 01 13 Month -------------------------- Jan 22 22 Feb 23 23 Mar 23 23 Apr 23 23 May 23 23 Jun 23 23 Jul 23 23 Aug 23 23 Sep 23 23 Oct 22 23 Nov 23 24 Dec 23 23 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: 1967 1967 eyr: 1990 1990 Statistic: MEANMLY #_YEARS Month -------------------------- Jan 20.4 21 Feb 14.3 23 Mar 17.9 23 Apr 19.9 23 May 29.8 23 Jun 46.8 23 Jul 63.2 23 Aug 46.8 23 Sep 38.8 23 Oct 33.0 22 Nov 28.0 23 Dec 22.6 23 Annual 381.4 NA Ann-NCDC 381.5 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: 1967 1967 eyr: 1990 1990 Statistic: MAX_DLY DATEMAX Month -------------------------- Jan 14.2 196816 Feb 14.6 198119 Mar 16.3 197017 Apr 19.3 197201 May 35.6 196801 Jun 71.8 198619 Jul 47.2 197210 Aug 30.2 198701 Sep 42.0 197808 Oct 32.5 197603 Nov 23.0 198806 Dec 14.8 199008 Annual 71.8 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: 1967 eyr: 1990 Month ------------------ Jan 22 Feb 23 Mar 23 Apr 23 May 23 Jun 23 Jul 23 Aug 23 Sep 23 Oct 23 Nov 23 Dec 23 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: 1967 1967 1967 1967 eyr: 1991 1991 1991 1990 Statistic: MEANDLY MAX_DLY DATEMAX MEANMLY Month ------------------------------------------ Jan 6.0 14.2 197401 21.1 Feb 4.5 14.6 198119 15.0 Mar 7.0 14.0 197017 18.5 Apr 7.5 22.9 196903 15.8 May 3.2 19.3 196801 4.2 Jun 0.0 0.0 199030 0.0 Jul 0.0 0.0 199031 0.0 Aug 0.0 0.0 199031 0.0 Sep 1.2 15.7 197222 1.4 Oct 6.8 27.4 197603 15.3 Nov 8.7 23.0 198806 29.8 Dec 6.7 14.8 199008 23.9 Annual NA 27.4 NA 145.0 Ann-NCDC NA NA NA 145.0 ------------------------------------------ Element 09: Snowfall (cm) Statistic 98: Number of Years used to Calculate Normal Qualifier: 06: Mean Daily Value Qualifier: 15: Mean Monthly Value -------------------------- byr: 1967 1967 eyr: 1991 1990 Qualifier: 06 15 Month -------------------------- Jan 22 21 Feb 23 23 Mar 23 23 Apr 23 23 May 23 23 Jun 23 23 Jul 23 23 Aug 23 23 Sep 23 23 Oct 23 22 Nov 23 23 Dec 23 23 Annual NA NA Ann-NCDC NA NA -------------------------- Element 10: Snow Depth (cm) MNLSTDY (Statistic 51): Mean on Last Day of Month ------------------ byr: 1967 eyr: 1990 Month ------------------ Jan NA Feb NA Mar NA Apr 0 May 0 Jun 0 Jul 0 Aug 0 Sep 0 Oct NA Nov NA Dec NA 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: 1967 eyr: 1990 Month ------------------ Jan 17 Feb 18 Mar 19 Apr 20 May 23 Jun 23 Jul 23 Aug 23 Sep 22 Oct 17 Nov 18 Dec 19 Annual NA Ann-NCDC 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: 1967 1967 1967 1967 eyr: 1990 1990 1990 1990 Statistic: MEANDLY MAX_DLY DATEMAX MEANMLY Month ------------------------------------------ Jan 0.2 3.8 198711 0.2 Feb 0.2 2.6 197721 0.2 Mar 0.1 1.0 196806 0.1 Apr 3.1 12.4 197528 4.8 May 9.9 21.0 198831 25.2 Jun 18.9 71.8 198619 46.8 Jul 23.1 47.2 197210 63.2 Aug 16.3 30.2 198701 46.8 Sep 12.6 42.0 197808 37.4 Oct 7.9 25.0 198412 17.4 Nov 0.6 5.0 197706 0.7 Dec 0.1 1.0 199003 0.0 Annual 31.3 71.8 NA 242.9 Ann-NCDC NA NA NA 242.8 ------------------------------------------ Element 39: Rainfall (mm) Statistic 98: Number of Years used to Calculate Normal Qualifier: 06: Mean Daily Value Qualifier: 15: Mean Monthly Value -------------------------- byr: 1967 1967 eyr: 1990 1990 Qualifier: 06 15 Month -------------------------- Jan 22 22 Feb 23 23 Mar 23 23 Apr 23 23 May 23 23 Jun 23 23 Jul 23 23 Aug 23 23 Sep 23 23 Oct 23 22 Nov 23 23 Dec 23 23 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: 1967 1967 1967 1967 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 Apr 2 * * 0 May 7 2 * 0 Jun 11 3 1 * Jul 13 4 2 * Aug 13 3 1 * Sep 11 2 * * Oct 6 1 * * Nov * * 0 0 Dec * 0 0 0 Annual 63 15 6 1 Ann-NCDC 63.0 15.0 4.0 * ------------------------------------------ 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: 1967 1967 1967 1967 eyr: 1990 1990 1990 1990 Qualifier: 0.2 5.0 10.0 25.0 Month ------------------------------------------ Jan 22 22 22 22 Feb 23 23 23 23 Mar 23 23 23 23 Apr 23 23 23 23 May 23 23 23 23 Jun 23 23 23 23 Jul 23 23 23 23 Aug 23 23 23 23 Sep 23 23 23 23 Oct 22 22 22 22 Nov 23 23 23 23 Dec 23 23 23 23 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: 1967 eyr: 1990 Month ------------------ Jan 31 Feb 28 Mar 31 Apr 26 May 11 Jun 1 Jul * Aug 1 Sep 7 Oct 24 Nov 30 Dec 31 Annual 221 Ann-NCDC 221.0 ------------------ 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: 1967 eyr: 1990 Month ------------------ Jan 22 Feb 23 Mar 23 Apr 23 May 23 Jun 23 Jul 23 Aug 23 Sep 23 Oct 22 Nov 23 Dec 23 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: 1967 eyr: 1990 Month ------------------ Jan * Feb 2 Mar 8 Apr 23 May 31 Jun 30 Jul 31 Aug 31 Sep 30 Oct 25 Nov 5 Dec 1 Annual 218 Ann-NCDC 217.0 ------------------ 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: 1967 eyr: 1990 Month ------------------ Jan 21 Feb 23 Mar 23 Apr 23 May 23 Jun 23 Jul 23 Aug 23 Sep 23 Oct 22 Nov 23 Dec 23 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: 1967 eyr: 1990 Month ------------------ Jan 0 Feb 0 Mar * Apr 4 May 20 Jun 29 Jul 31 Aug 30 Sep 23 Oct 7 Nov * Dec 0 Annual 145 Ann-NCDC 144.0 ------------------ 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: 1967 eyr: 1990 Month ------------------ Jan 22 Feb 23 Mar 23 Apr 23 May 23 Jun 23 Jul 23 Aug 23 Sep 23 Oct 22 Nov 23 Dec 23 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: 1967 eyr: 1990 Month ------------------ Jan 31 Feb 28 Mar 31 Apr 21 May 6 Jun * Jul 0 Aug * Sep 3 Oct 17 Nov 29 Dec 31 Annual 198 Ann-NCDC 197.0 ------------------ 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: 1967 eyr: 1990 Month ------------------ Jan 22 Feb 23 Mar 23 Apr 23 May 23 Jun 23 Jul 23 Aug 23 Sep 23 Oct 22 Nov 23 Dec 23 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: 1967 1967 1967 1967 eyr: 1990 1990 1990 1990 Qualifier: 0.2 5.0 10.0 25.0 Month ------------------------------------------ Jan 13 * * 0 Feb 10 * * 0 Mar 9 * * 0 Apr 4 1 * 0 May 1 * * 0 Jun 0 0 0 0 Jul 0 0 0 0 Aug 0 0 0 0 Sep * * * 0 Oct 6 * * * Nov 14 2 * 0 Dec 13 1 * 0 Annual 70 7 2 * Ann-NCDC 70.0 4.0 * * ------------------------------------------ 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: 1967 1967 1967 1967 eyr: 1990 1990 1990 1990 Qualifier: 0.2 5.0 10.0 25.0 Month ------------------------------------------ Jan 21 21 21 21 Feb 23 23 23 23 Mar 23 23 23 23 Apr 23 23 23 23 May 23 23 23 23 Jun 23 23 23 23 Jul 23 23 23 23 Aug 23 23 23 23 Sep 23 23 23 23 Oct 22 22 22 22 Nov 23 23 23 23 Dec 23 23 23 23 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: 1967 1967 1967 1967 eyr: 1990 1990 1990 1990 Qualifier: 0.2 5.0 10.0 25.0 Month ------------------------------------------ Jan 13 * * 0 Feb 10 * * 0 Mar 9 * * 0 Apr 6 1 * 0 May 7 2 * * Jun 11 3 1 * Jul 13 4 2 * Aug 13 3 1 * Sep 12 2 * * Oct 10 2 * * Nov 14 2 * 0 Dec 13 1 * 0 Annual 130 22 8 1 Ann-NCDC 131.0 20.0 4.0 * ------------------------------------------ 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: 1967 1967 1967 1967 eyr: 1990 1990 1990 1990 Qualifier: 0.2 5.0 10.0 25.0 Month ------------------------------------------ Jan 21 21 21 21 Feb 23 23 23 23 Mar 23 23 23 23 Apr 23 23 23 23 May 23 23 23 23 Jun 23 23 23 23 Jul 23 23 23 23 Aug 23 23 23 23 Sep 23 23 23 23 Oct 22 22 22 22 Nov 23 23 23 23 Dec 23 23 23 23 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: 1967 1967 1967 1967 1967 1967 eyr: 1990 1990 1990 1990 1990 1990 Qualifier: 1.0 5.0 10.0 20.0 50.0 100.0 Month ---------------------------------------------------------- Jan NA NA NA NA NA NA Feb NA NA NA NA NA NA Mar NA NA NA NA NA NA Apr NA NA NA NA NA NA May 1 * * * 0 0 Jun * 0 0 0 0 0 Jul 0 0 0 0 0 0 Aug 0 0 0 0 0 0 Sep * * * 0 0 0 Oct NA NA NA NA NA NA Nov NA NA NA NA NA NA Dec NA NA NA NA NA NA Annual NA NA NA NA NA NA Ann-NCDC NA NA NA NA NA NA ---------------------------------------------------------- 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: 1967 1967 1967 1967 1967 1967 eyr: 1990 1990 1990 1990 1990 1990 Qualifier: 1.0 5.0 10.0 20.0 50.0 100.0 Month ---------------------------------------------------------- Jan 16 16 16 16 16 16 Feb 17 17 17 17 17 17 Mar 17 17 17 17 17 17 Apr 18 18 18 18 18 18 May 22 22 22 22 22 22 Jun 23 23 23 23 23 23 Jul 23 23 23 23 23 23 Aug 23 23 23 23 23 23 Sep 22 22 22 22 22 22 Oct 16 16 16 16 16 16 Nov 16 16 16 16 16 16 Dec 16 16 16 16 16 16 Annual NA NA NA NA NA NA Ann-NCDC NA NA NA NA NA NA ----------------------------------------------------------