Station Name: CHATHAM POINT , BC WMO Station Number: National I.D. Number: 01021480 Country: CANADA WMO Region: REGION IV - NORTH & CENTRAL AMERICA Latitude: 50d 20m N Longitude: 125d 26m W Elevation: 23 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: 1958 eyr: 1990 Month ------------------ Jan 2.8 Feb 4.2 Mar 5.7 Apr 8.1 May 11.3 Jun 13.9 Jul 15.7 Aug 15.8 Sep 13.0 Oct 9.1 Nov 5.4 Dec 3.3 Annual 9.0 Ann-NCDC 9.0 ------------------ Element 01: Dry Bulb Temperature (deg C) Qualifier: 01: Mean Value #_YEARS (Statistic 98): Number of Years used to Calculate Normal ------------------ byr: 1958 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 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: 1958 1958 1958 eyr: 1990 1990 1990 Statistic: MEAN MAX_DLY DATEMAX Month ---------------------------------- Jan 4.4 13.3 196820 Feb 6.2 13.4 198625 Mar 8.3 16.7 196511 Apr 11.3 22.5 198930 May 15.1 31.2 198329 Jun 17.7 30.0 196719 Jul 19.8 33.3 196112 Aug 19.6 31.1 196008 Sep 16.1 26.4 198908 Oct 11.3 19.3 198701 Nov 7.0 15.6 197002 Dec 4.8 12.8 196214 Annual 11.8 33.3 NA Ann-NCDC 11.8 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: 1958 1958 eyr: 1990 1990 Qualifier: 01 11 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 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: 1958 1958 1958 eyr: 1990 1991 1991 Statistic: MEAN MIN_DLY DATEMIN Month ---------------------------------- Jan 1.1 -10.6 196980 Feb 2.1 -11.5 198902 Mar 3.0 -6.1 197603 Apr 4.9 -0.6 197272 May 7.5 0.0 196903 Jun 10.0 4.4 197612 Jul 11.6 6.7 197105 Aug 11.9 7.2 197318 Sep 9.9 1.7 197227 Oct 7.0 -3.9 198431 Nov 3.7 -13.0 198527 Dec 1.6 -15.0 196828 Annual 6.2 -15.0 NA Ann-NCDC 6.2 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: 1958 1958 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: 1958 1958 eyr: 1990 1990 Statistic: MEANMLY #_YEARS Month -------------------------- Jan 259.0 30 Feb 213.5 30 Mar 192.3 30 Apr 126.7 30 May 115.3 30 Jun 110.1 30 Jul 85.2 30 Aug 97.3 30 Sep 117.9 30 Oct 272.3 30 Nov 299.3 30 Dec 296.4 30 Annual 2185.3 NA Ann-NCDC 2185.3 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: 1958 1958 eyr: 1990 1990 Statistic: MAX_DLY DATEMAX Month -------------------------- Jan 84.3 196813 Feb 96.0 197924 Mar 78.5 197426 Apr 52.5 197912 May 52.8 198729 Jun 61.6 198619 Jul 78.2 197211 Aug 113.8 197811 Sep 70.9 197220 Oct 90.7 196320 Nov 83.2 199028 Dec 83.8 199003 Annual 113.8 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: 1958 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: 1958 1958 1958 1958 eyr: 1991 1991 1991 1990 Statistic: MEANDLY MAX_DLY DATEMAX MEANMLY Month ------------------------------------------ Jan 11.9 34.4 197803 32.8 Feb 7.3 25.0 197924 12.9 Mar 4.7 20.1 196204 6.7 Apr 1.7 22.6 197210 3.1 May 0.0 0.0 199031 0.0 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 0.0 0.0 199030 0.0 Oct 0.4 12.0 198431 0.4 Nov 4.6 25.4 197319 10.2 Dec 11.6 35.3 196419 31.5 Annual NA 35.3 NA 97.7 Ann-NCDC NA NA NA 97.6 ------------------------------------------ Element 09: Snowfall (cm) Statistic 98: Number of Years used to Calculate Normal Qualifier: 06: Mean Daily Value Qualifier: 15: Mean Monthly Value -------------------------- byr: 1958 1958 eyr: 1991 1990 Qualifier: 06 15 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 10: Snow Depth (cm) MNLSTDY (Statistic 51): Mean on Last Day of Month ------------------ byr: 1958 eyr: 1990 Month ------------------ Jan 5 Feb 2 Mar 0 Apr 0 May 0 Jun 0 Jul 0 Aug 0 Sep 0 Oct 0 Nov 1 Dec 7 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: 1958 eyr: 1990 Month ------------------ Jan 26 Feb 29 Mar 27 Apr 28 May 28 Jun 28 Jul 29 Aug 29 Sep 29 Oct 29 Nov 27 Dec 27 Annual NA Ann-NCDC NA ------------------ Element 16: Wind Speed (m/sec) MN_HRLY (Statistic 69): Mean of Hourly Observations ------------------ byr: 1963 eyr: 1991 Month ------------------ Jan 3.6 Feb 3.3 Mar 3.6 Apr 3.9 May 4.2 Jun 5.0 Jul 5.3 Aug 4.7 Sep 3.9 Oct 3.3 Nov 3.3 Dec 3.6 Annual 3.9 Ann-NCDC 4.0 ------------------ Element 16: Wind Speed (m/sec) Qualifier: 69: Mean of Hourly Observations #_YEARS (Statistic 98): Number of Years used to Calculate Normal ------------------ byr: 1963 eyr: 1991 Month ------------------ Jan 28.0 Feb 27.0 Mar 28.0 Apr 28.0 May 27.0 Jun 27.0 Jul 28.0 Aug 28.0 Sep 28.0 Oct 28.0 Nov 27.0 Dec 28.0 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: 1958 1958 1958 1958 1958 1958 1958 1958 1958 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 .036 .174 .204 .247 .023 .050 .141 .088 .037 Feb .046 .132 .199 .282 .013 .071 .154 .083 .020 Mar .035 .106 .146 .268 .020 .080 .219 .110 .016 Apr .028 .078 .120 .246 .013 .071 .299 .133 .012 May .024 .040 .097 .201 .013 .107 .355 .155 .700 Jun .022 .032 .079 .157 .900 .117 .404 .176 .500 Jul .019 .019 .050 .124 .600 .124 .464 .189 .300 Aug .025 .027 .054 .104 .800 .130 .478 .169 .400 Sep .042 .044 .094 .175 .014 .107 .387 .128 .900 Oct .051 .083 .155 .271 .021 .074 .224 .101 .021 Nov .039 .137 .202 .259 .021 .060 .151 .102 .029 Dec .027 .162 .211 .240 .020 .054 .140 .112 .034 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) PREVAIL (Statistic 41): Prevailing ------------------ byr: 1963 eyr: 1991 Month ------------------ Jan 135.0 Feb 135.0 Mar 135.0 Apr 270.0 May 270.0 Jun 270.0 Jul 270.0 Aug 270.0 Sep 270.0 Oct 135.0 Nov 135.0 Dec 135.0 Annual 270.0 Ann-NCDC NA ------------------ Element 17: Wind Direction (degrees) Statistic 98: Number of Years used to Calculate Normal Qualifier: 41: Prevailing 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 ---------------------------------------------------------------------------------- byr: 1963 1958 1958 1958 1958 1958 1958 1958 1958 eyr: 1991 1991 1991 1991 1991 1991 1991 1991 1991 Qualifier: 41 000.0 045.0 090.0 135.0 180.0 225.0 270.0 315.0 Month ---------------------------------------------------------------------------------- Jan 28 28 28 28 28 28 28 28 28 Feb 26 26 26 26 26 26 26 26 26 Mar 27 27 27 27 27 27 27 27 27 Apr 28 28 28 28 28 28 28 28 28 May 27 27 27 27 27 27 27 27 27 Jun 27 27 27 27 27 27 27 27 27 Jul 28 28 28 28 28 28 28 28 28 Aug 28 28 28 28 28 28 28 28 28 Sep 28 28 28 28 28 28 28 28 28 Oct 28 28 28 28 28 28 28 28 28 Nov 26 26 26 26 26 26 26 26 26 Dec 28 28 28 28 28 28 28 28 28 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: 360.0 degrees ------------------ byr: 1958 eyr: 1991 Month ------------------ Jan 28 Feb 26 Mar 27 Apr 28 May 27 Jun 27 Jul 28 Aug 28 Sep 28 Oct 28 Nov 26 Dec 28 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: 1958 1958 1958 1958 eyr: 1990 1990 1990 1990 Statistic: MEANDLY MAX_DLY DATEMAX MEANMLY Month ------------------------------------------ Jan 40.0 84.3 196813 226.2 Feb 39.7 78.0 197908 200.5 Mar 34.6 78.5 197426 185.6 Apr 26.3 52.5 197912 123.6 May 31.2 52.8 198729 115.3 Jun 29.4 61.6 198619 110.1 Jul 28.5 78.2 197211 85.2 Aug 35.2 113.8 197811 97.3 Sep 32.9 70.9 197220 117.9 Oct 52.0 90.7 196320 271.9 Nov 45.2 83.2 199028 289.1 Dec 44.9 83.8 199003 264.9 Annual 70.7 113.8 NA 2087.6 Ann-NCDC NA NA NA 2087.6 ------------------------------------------ Element 39: Rainfall (mm) Statistic 98: Number of Years used to Calculate Normal Qualifier: 06: Mean Daily Value Qualifier: 15: Mean Monthly Value -------------------------- byr: 1958 1958 eyr: 1990 1990 Qualifier: 06 15 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 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: 1958 1958 1958 1958 eyr: 1990 1990 1990 1990 Qualifier: 0.2 5.0 10.0 25.0 Month ------------------------------------------ Jan 19 11 8 3 Feb 17 10 7 2 Mar 18 11 7 2 Apr 16 8 4 * May 14 7 4 * Jun 12 6 4 * Jul 9 4 3 1 Aug 9 5 3 1 Sep 12 6 4 1 Oct 19 12 9 4 Nov 21 14 11 3 Dec 19 13 10 3 Annual 187 108 73 23 Ann-NCDC 185.0 107.0 74.0 20.0 ------------------------------------------ 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: 1958 1958 1958 1958 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 30 30 30 30 Jun 30 30 30 30 Jul 30 30 30 30 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: 1958 eyr: 1990 Month ------------------ Jan 10 Feb 6 Mar 3 Apr * May * Jun 0 Jul 0 Aug 0 Sep 0 Oct * Nov 3 Dec 9 Annual 32 Ann-NCDC 31.0 ------------------ 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: 1958 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 90: Number Days Maximum Temperature GT Threshold (count) Qualifier: 0.0 deg C MEANMLY (Statistic 15): Mean Monthly Value ------------------ byr: 1958 eyr: 1990 Month ------------------ Jan 28 Feb 28 Mar 31 Apr 30 May 31 Jun 30 Jul 31 Aug 31 Sep 30 Oct 31 Nov 30 Dec 29 Annual 359 Ann-NCDC 360.0 ------------------ 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: 1958 eyr: 1990 Month ------------------ Jan 30 Feb 30 Mar 30 Apr 30 May 30 Jun 30 Jul 29 Aug 30 Sep 30 Oct 30 Nov 30 Dec 28 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: 1958 eyr: 1990 Month ------------------ Jan 21 Feb 22 Mar 28 Apr 30 May 31 Jun 30 Jul 31 Aug 31 Sep 30 Oct 31 Nov 27 Dec 22 Annual 334 Ann-NCDC 334.0 ------------------ 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: 1958 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 93: Number Days Minimum Temperature LT Threshold (count) Qualifier: -2.0 deg C MEANMLY (Statistic 15): Mean Monthly Value ------------------ byr: 1958 eyr: 1990 Month ------------------ Jan 5 Feb 2 Mar * Apr 0 May 0 Jun 0 Jul 0 Aug 0 Sep 0 Oct * Nov 1 Dec 4 Annual 12 Ann-NCDC 12.0 ------------------ 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: 1958 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 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: 1958 1958 1958 1958 eyr: 1990 1990 1990 1990 Qualifier: 0.2 5.0 10.0 25.0 Month ------------------------------------------ Jan 6 3 1 * Feb 3 1 * * Mar 1 * * 0 Apr * * * 0 May 0 0 0 0 Jun 0 0 0 0 Jul 0 0 0 0 Aug 0 0 0 0 Sep 0 0 0 0 Oct * * * 0 Nov 2 * * * Dec 5 2 1 * Annual 17 7 3 * Ann-NCDC 17.0 6.0 2.0 * ------------------------------------------ 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: 1958 1958 1958 1958 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 30 30 30 30 Jun 30 30 30 30 Jul 30 30 30 30 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: 1958 1958 1958 1958 eyr: 1990 1990 1990 1990 Qualifier: 0.2 5.0 10.0 25.0 Month ------------------------------------------ Jan 22 14 9 3 Feb 18 11 8 2 Mar 19 12 7 2 Apr 16 8 5 * May 14 7 4 * Jun 12 6 4 * Jul 9 4 3 1 Aug 9 5 3 1 Sep 12 6 4 1 Oct 19 12 9 4 Nov 21 15 11 4 Dec 22 15 11 3 Annual 195 114 77 24 Ann-NCDC 193.0 115.0 78.0 21.0 ------------------------------------------ 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: 1958 1958 1958 1958 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 30 30 30 30 Jun 30 30 30 30 Jul 30 30 30 30 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 ------------------------------------------