Station Name: Otaru WMO Station Number: 47411 National I.D. Number: Country: JAPAN WMO Region: REGION II - ASIA Latitude: 43d 11m N Longitude: 141d 01m E Elevation: 25 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 STD_DEV (Statistic 03): Standard Deviation of Mean Value -------------------------- byr: 1961 1961 eyr: 1990 1990 Statistic: MEAN STD_DEV Month -------------------------- Jan -3.7 1.3 Feb -3.4 1.4 Mar .2 1.2 Apr 6.2 1.2 May 11.5 .8 Jun 15.5 1.0 Jul 19.6 1.2 Aug 21.5 1.2 Sep 17.3 .8 Oct 11.1 1.0 Nov 4.4 1.3 Dec -1.0 1.4 Annual 8.3 .6 Ann-NCDC 8.3 NA -------------------------- Element 02: Maximum Dry Bulb Temperature (deg C) MEAN (Statistic 01): Mean Value STD_DEV (Statistic 03): Standard Deviation of Mean Value MIN_MLY (Statistic 20): Minimum Monthly Value MAX_MLY (Statistic 26): Maximum Monthly Value ------------------------------------------ byr: 1961 1961 1961 1961 eyr: 1990 1990 1990 1990 Statistic: MEAN STD_DEV MIN_MLY MAX_MLY Month ------------------------------------------ Jan -1.0 1.4 -4.1 1.7 Feb -.5 1.6 -4.0 2.3 Mar 3.4 1.3 .6 6.1 Apr 10.5 1.5 7.7 13.9 May 16.5 1.2 14.4 19.0 Jun 19.9 1.2 16.5 22.3 Jul 23.7 1.4 21.3 26.2 Aug 25.5 1.5 22.0 28.1 Sep 21.6 .9 20.1 24.3 Oct 15.3 1.1 13.2 17.3 Nov 7.9 1.4 4.2 10.8 Dec 1.8 1.5 -1.7 4.7 Annual 12.1 .6 11.1 13.6 Ann-NCDC 12.0 NA NA NA ------------------------------------------ Element 03: Minimum Dry Bulb Temperature (deg C) MEAN (Statistic 01): Mean Value STD_DEV (Statistic 03): Standard Deviation of Mean Value MIN_MLY (Statistic 20): Minimum Monthly Value MAX_MLY (Statistic 26): Maximum Monthly Value ------------------------------------------ byr: 1961 1961 1961 1961 eyr: 1990 1990 1990 1990 Statistic: MEAN STD_DEV MIN_MLY MAX_MLY Month ------------------------------------------ Jan -6.6 1.3 -9.1 -4.2 Feb -6.4 1.5 -9.2 -3.0 Mar -2.9 1.3 -6.1 -.2 Apr 2.3 1.1 .3 4.4 May 7.2 .7 6.1 8.6 Jun 11.8 1.0 9.7 13.7 Jul 16.3 1.1 14.4 19.0 Aug 18.1 1.1 15.6 19.9 Sep 13.5 1.0 12.0 16.0 Oct 7.1 1.0 5.4 9.0 Nov 1.1 1.1 -1.2 3.7 Dec -3.8 1.3 -6.2 -.8 Annual 4.8 .6 3.7 6.5 Ann-NCDC 4.8 NA NA NA ------------------------------------------ Element 06: Precipitation (mm) MEANMLY (Statistic 15): Mean Monthly Value MIN_MLY (Statistic 20): Minimum Monthly Value QUIN20% (Statistic 22): First Quintile QUIN40% (Statistic 23): Second Quintile QUIN60% (Statistic 24): Third Quintile QUIN80% (Statistic 25): Fourth Quintile MAX_MLY (Statistic 26): Maximum Monthly Value ------------------------------------------------------------------ byr: 1961 1961 1961 1961 1961 1961 1961 eyr: 1990 1990 1990 1990 1990 1990 1990 Statistic: MEANMLY MIN_MLY QUIN20% QUIN40% QUIN60% QUIN80% MAX_MLY Month ------------------------------------------------------------------ Jan 131.6 81.0 95.7 107.0 136.4 158.2 236.5 Feb 101.2 44.0 73.3 91.5 104.0 125.2 197.1 Mar 80.7 34.7 58.5 68.2 85.5 104.2 136.5 Apr 61.2 16.0 39.0 55.0 63.4 90.7 109.0 May 58.1 30.0 37.2 44.9 58.9 80.7 129.3 Jun 58.5 13.0 24.1 50.3 63.7 84.1 160.1 Jul 75.1 17.0 31.0 60.2 87.7 106.3 242.6 Aug 125.4 15.5 44.1 82.5 115.8 172.7 379.8 Sep 133.3 25.5 85.5 115.0 146.5 163.1 333.2 Oct 140.9 37.0 93.4 124.4 147.2 196.5 271.0 Nov 131.7 73.5 98.7 115.5 143.7 162.2 217.0 Dec 128.0 62.0 98.5 113.5 131.5 161.6 222.8 Annual 1225.7 751.0 1119.0 1180.2 1244.5 1344.5 1721.5 Ann-NCDC 1225.7 NA NA NA NA NA NA ------------------------------------------------------------------ Element 09: Snowfall (cm) MNDLYMX (Statistic 09): Mean Daily Maximum Value MEANMLY (Statistic 15): Mean Monthly Value MIN_MLY (Statistic 20): Minimum Monthly Value MAX_MLY (Statistic 26): Maximum Monthly Value ------------------------------------------ byr: 1961 1961 1961 1961 eyr: 1990 1990 1990 1990 Statistic: MNDLYMX MEANMLY MIN_MLY MAX_MLY Month ------------------------------------------ Jan 27 183 94 309 Feb 24 135 70 247 Mar 15 68 17 150 Apr 6 9 * 34 May * * 0 * Jun 0 0 0 0 Jul 0 0 0 0 Aug 0 0 0 0 Sep 0 0 0 0 Oct * 1 0 7 Nov 12 36 1 91 Dec 24 129 52 243 Annual 32 561 392 784 Ann-NCDC NA 561.0 NA NA ------------------------------------------ Element 10: Snow Depth (cm) MAX_VAL (Statistic 04): Maximum Value ------------------ byr: 1961 eyr: 1990 Month ------------------ Jan 90 Feb 109 Mar 97 Apr 31 May 0 Jun 0 Jul 0 Aug 0 Sep 0 Oct * Nov 14 Dec 46 Annual 114 Ann-NCDC NA ------------------ Element 11: Relative Humidity (%) MEAN (Statistic 01): Mean Value STD_DEV (Statistic 03): Standard Deviation of Mean Value MN03LST (Statistic 73): Mean of Observations at 0300 LST MN09LST (Statistic 79): Mean of Observations at 0900 LST MN15LST (Statistic 85): Mean of Observations at 1500 LST MN21LST (Statistic 91): Mean of Observations at 2100 LST ---------------------------------------------------------- byr: 1961 1961 1961 1961 1961 1961 eyr: 1990 1990 1990 1990 1990 1990 Statistic: MEAN STD_DEV MN03LST MN09LST MN15LST MN21LST Month ---------------------------------------------------------- Jan 72 4 73 72 69 72 Feb 71 3 74 72 67 72 Mar 68 3 73 67 63 70 Apr 66 4 73 64 58 68 May 70 4 78 67 60 73 Jun 78 2 86 75 69 81 Jul 81 3 89 79 73 84 Aug 79 4 86 76 71 82 Sep 72 3 80 69 63 76 Oct 67 3 74 65 59 71 Nov 68 2 71 66 64 70 Dec 71 2 73 71 69 72 Annual 72 1 78 70 65 74 Ann-NCDC 71.9 NA 77.5 70.3 65.4 74.3 ---------------------------------------------------------- Element 12: Sea Level Pressure (hPa) MEAN (Statistic 01): Mean Value STD_DEV (Statistic 03): Standard Deviation of Mean Value -------------------------- byr: 1961 1961 eyr: 1990 1990 Statistic: MEAN STD_DEV Month -------------------------- Jan 1012.3 3.8 Feb 1013.6 3.0 Mar 1013.4 2.5 Apr 1013.6 2.8 May 1010.3 1.7 Jun 1009.2 1.6 Jul 1008.4 1.7 Aug 1009.1 1.5 Sep 1012.8 1.5 Oct 1015.6 2.1 Nov 1015.7 2.4 Dec 1013.7 2.3 Annual 1012.3 .8 Ann-NCDC 1012.3 NA -------------------------- Element 13: Station Pressure (hPa) MEAN (Statistic 01): Mean Value STD_DEV (Statistic 03): Standard Deviation of Mean Value -------------------------- byr: 1961 1961 eyr: 1990 1990 Statistic: MEAN STD_DEV Month -------------------------- Jan 1009.0 3.8 Feb 1010.3 2.9 Mar 1010.1 2.5 Apr 1010.4 2.8 May 1007.2 1.7 Jun 1006.1 1.6 Jul 1005.4 1.7 Aug 1006.1 1.5 Sep 1009.7 1.4 Oct 1012.4 2.1 Nov 1012.5 2.4 Dec 1010.4 2.3 Annual 1009.1 .8 Ann-NCDC 1009.1 NA -------------------------- Element 14: Vapor Pressure (hPa) MEAN (Statistic 01): Mean Value STD_DEV (Statistic 03): Standard Deviation of Mean Value -------------------------- byr: 1961 1961 eyr: 1990 1990 Statistic: MEAN STD_DEV Month -------------------------- Jan 3.5 .4 Feb 3.5 .4 Mar 4.4 .4 Apr 6.3 .5 May 9.4 .7 Jun 13.8 .8 Jul 18.8 1.4 Aug 20.4 1.5 Sep 14.6 1.1 Oct 9.2 .8 Nov 6.0 .6 Dec 4.2 .4 Annual 9.5 .4 Ann-NCDC 9.5 NA -------------------------- Element 15: Sunshine %OFPOSS (Statistic 37): Percent of Possible MN_#HRS (Statistic 44): Mean Number of Hours -------------------------- byr: 1961 1961 eyr: 1990 1990 Statistic: %OFPOSS MN_#HRS Month -------------------------- Jan 24.0 68.3 Feb 28.0 84.0 Mar 38.0 138.9 Apr 45.0 179.1 May 44.0 198.2 Jun 41.0 187.9 Jul 37.0 172.7 Aug 39.0 167.8 Sep 45.0 168.0 Oct 42.0 145.2 Nov 29.0 84.8 Dec 22.0 60.9 Annual 37.0 1655.9 Ann-NCDC NA 1655.8 -------------------------- Element 16: Wind Speed (m/sec) MEAN (Statistic 01): Mean Value ------------------ byr: 1975 eyr: 1990 Month ------------------ Jan 3.0 Feb 2.9 Mar 2.8 Apr 2.6 May 2.3 Jun 1.8 Jul 1.7 Aug 1.9 Sep 2.2 Oct 2.8 Nov 2.8 Dec 2.8 Annual 2.5 Ann-NCDC 2.5 ------------------ Element 17: Wind Direction (degrees) Statistic 38: Frequency Qualifier: 022.5 degrees Qualifier: 045.0 degrees Qualifier: 067.5 degrees Qualifier: 090.0 degrees Qualifier: 112.5 degrees Qualifier: 135.0 degrees Qualifier: 157.5 degrees Qualifier: 180.0 degrees Qualifier: 202.5 degrees ---------------------------------------------------------------------------------- byr: 1975 1975 1975 1975 1975 1975 1975 1975 1975 eyr: 1990 1990 1990 1990 1990 1990 1990 1990 1990 Qualifier: 022.5 045.0 067.5 090.0 112.5 135.0 157.5 180.0 202.5 Month ---------------------------------------------------------------------------------- Jan .010 .010 .010 .040 .030 .020 .010 .010 .050 Feb .020 .010 .030 .060 .030 .010 .010 .010 .050 Mar .020 .020 .050 .070 .020 .010 .010 .010 .050 Apr .040 .050 .080 .060 .030 .020 .010 .010 .050 May .040 .080 .120 .080 .030 .010 .010 .010 .040 Jun .060 .110 .160 .090 .030 .020 .010 .010 .030 Jul .060 .120 .190 .100 .030 .020 .010 .010 .030 Aug .040 .080 .130 .090 .030 .010 .020 .020 .040 Sep .030 .040 .080 .050 .020 .010 .020 .020 .070 Oct .020 .030 .040 .040 .020 .020 .010 .020 .080 Nov .010 .010 .020 .030 .020 .010 .010 .020 .060 Dec .010 .010 .010 .030 .020 .010 .010 .020 .060 Annual .030 .050 .080 .060 .020 .010 .010 .020 .050 Ann-NCDC NA NA NA NA NA NA NA NA NA ---------------------------------------------------------------------------------- Element 17: Wind Direction (degrees) Statistic 38: Frequency Qualifier: 225.0 degrees Qualifier: 247.5 degrees Qualifier: 270.0 degrees Qualifier: 292.5 degrees Qualifier: 315.0 degrees Qualifier: 337.5 degrees Qualifier: 360.0 degrees ------------------------------------------------------------------ byr: 1975 1975 1975 1975 1975 1975 1975 eyr: 1990 1990 1990 1990 1990 1990 1990 Qualifier: 225.0 247.5 270.0 292.5 315.0 337.5 360.0 Month ------------------------------------------------------------------ Jan .240 .280 .180 .050 .030 .020 .020 Feb .250 .240 .130 .060 .040 .030 .030 Mar .240 .160 .120 .070 .050 .050 .050 Apr .220 .170 .090 .060 .050 .030 .030 May .180 .120 .080 .060 .050 .040 .040 Jun .120 .110 .050 .060 .050 .040 .050 Jul .110 .090 .050 .050 .040 .040 .040 Aug .210 .130 .060 .050 .040 .030 .030 Sep .310 .160 .060 .040 .030 .030 .030 Oct .320 .180 .090 .050 .040 .030 .030 Nov .270 .260 .150 .040 .030 .030 .020 Dec .280 .260 .170 .050 .020 .020 .010 Annual .230 .180 .100 .050 .040 .030 .030 Ann-NCDC NA NA NA NA NA NA NA ------------------------------------------------------------------ Element 17: Wind Direction (degrees) PREVAIL (Statistic 41): Prevailing ------------------ byr: 1975 eyr: 1990 Month ------------------ Jan 247.5 Feb 225.0 Mar 225.0 Apr 225.0 May 225.0 Jun 67.5 Jul 67.5 Aug 225.0 Sep 225.0 Oct 225.0 Nov 225.0 Dec 225.0 Annual 225.0 Ann-NCDC NA ------------------ Element 20: Sky Cover (Cloud Cover) (okta) MEAN (Statistic 01): Mean Value ------------------ byr: 1961 eyr: 1990 Month ------------------ Jan 6.6 Feb 6.6 Mar 5.9 Apr 5.3 May 5.4 Jun 5.7 Jul 5.9 Aug 5.8 Sep 5.2 Oct 5.1 Nov 6.2 Dec 6.6 Annual 5.8 Ann-NCDC 5.9 ------------------ Element 51: Number Days with Thunder (count) MEANMLY (Statistic 15): Mean Monthly Value ------------------ byr: 1961 eyr: 1990 Month ------------------ Jan .0 Feb .0 Mar .1 Apr .1 May .3 Jun .5 Jul 1.0 Aug 1.5 Sep 1.3 Oct 1.3 Nov .5 Dec * Annual 6.6 Ann-NCDC 6.6 ------------------ Element 56: Number Days with Snowfall (count) MEANMLY (Statistic 15): Mean Monthly Value ------------------ byr: 1961 eyr: 1990 Month ------------------ Jan 28.3 Feb 24.6 Mar 21.7 Apr 5.5 May .2 Jun .0 Jul .0 Aug .0 Sep .0 Oct 1.2 Nov 12.5 Dec 24.5 Annual 118.4 Ann-NCDC 118.5 ------------------ Element 73: Number Days with no Sunshine (count) MEANMLY (Statistic 15): Mean Monthly Value ------------------ byr: 1961 eyr: 1990 Month ------------------ Jan 6.0 Feb 3.3 Mar 3.0 Apr 3.5 May 3.7 Jun 3.6 Jul 3.7 Aug 3.6 Sep 3.0 Oct 2.8 Nov 4.0 Dec 6.0 Annual 46.1 Ann-NCDC 46.2 ------------------ Element 83: Number Days Maximum Temperature GE Threshold (count) Statistic 15: Mean Monthly Value Qualifier: 25.0 deg C Qualifier: 30.0 deg C -------------------------- byr: 1961 1961 eyr: 1990 1990 Qualifier: 25.0 30.0 Month -------------------------- Jan .0 .0 Feb .0 .0 Mar .0 .0 Apr * .0 May 1.1 .0 Jun 2.9 * Jul 10.5 1.9 Aug 16.3 3.2 Sep 3.5 .1 Oct .1 .0 Nov .0 .0 Dec .0 .0 Annual 34.4 5.3 Ann-NCDC 34.4 5.2 -------------------------- Element 86: Number Days Minimum Temperature GE Threshold (count) Qualifier: 25.0 deg C MEANMLY (Statistic 15): Mean Monthly Value ------------------ byr: 1961 eyr: 1990 Month ------------------ Jan .0 Feb .0 Mar .0 Apr .0 May .0 Jun .0 Jul .0 Aug .0 Sep .0 Oct .0 Nov .0 Dec .0 Annual .0 Ann-NCDC 0.0 ------------------ Element 87: Number Days Mean Temperature GE Threshold (count) Qualifier: 25.0 deg C MEANMLY (Statistic 15): Mean Monthly Value ------------------ byr: 1961 eyr: 1990 Month ------------------ Jan .0 Feb .0 Mar .0 Apr .0 May .0 Jun .0 Jul 1.1 Aug 2.5 Sep .0 Oct .0 Nov .0 Dec .0 Annual 3.6 Ann-NCDC 3.6 ------------------ Element 91: Number Days Maximum Temperature LT Threshold (count) Qualifier: 0.0 deg C MEANMLY (Statistic 15): Mean Monthly Value ------------------ byr: 1961 eyr: 1990 Month ------------------ Jan 19.3 Feb 16.2 Mar 4.6 Apr .0 May .0 Jun .0 Jul .0 Aug .0 Sep .0 Oct .0 Nov 1.4 Dec 10.5 Annual 52.0 Ann-NCDC 52.0 ------------------ Element 93: Number Days Minimum Temperature LT Threshold (count) Qualifier: 0.0 deg C MEANMLY (Statistic 15): Mean Monthly Value ------------------ byr: 1961 eyr: 1990 Month ------------------ Jan 30.4 Feb 27.7 Mar 26.0 Apr 5.5 May .0 Jun .0 Jul .0 Aug .0 Sep .0 Oct .1 Nov 10.9 Dec 26.6 Annual 127.1 Ann-NCDC 127.2 ------------------ Element 95: Number Days with Precipitation GE Threshold (count) Statistic 15: Mean Monthly Value Qualifier: 0.5 mm Qualifier: 1.0 mm Qualifier: 10.0 mm Qualifier: 30.0 mm Qualifier: 50.0 mm Qualifier: 70.0 mm Qualifier: 100.0 mm ------------------------------------------------------------------ byr: 1968 1961 1961 1961 1961 1961 1961 eyr: 1990 1990 1990 1990 1990 1990 1990 Qualifier: 0.5 1.0 10.0 30.0 50.0 70.0 100.0 Month ------------------------------------------------------------------ Jan 23.6 21.3 3.8 .1 * .0 .0 Feb 20.0 17.4 2.7 .1 .0 .0 .0 Mar 17.7 15.2 1.9 * .0 .0 .0 Apr 11.7 9.1 1.9 .1 .0 .0 .0 May 10.6 8.8 2.0 .2 .0 .0 .0 Jun 9.4 7.9 1.7 .2 * * .0 Jul 8.8 8.3 2.3 .4 .1 .1 * Aug 10.7 9.3 3.5 .9 .5 .3 .1 Sep 12.7 11.7 4.0 1.0 .4 .2 * Oct 16.5 14.5 5.0 .8 .2 * .0 Nov 18.8 16.9 4.6 .4 .1 .0 .0 Dec 22.1 19.4 4.3 .2 * .0 .0 Annual 182.7 159.8 37.7 4.3 1.4 .6 .2 Ann-NCDC 182.6 159.8 37.7 4.4 1.3 0.6 0.1 ------------------------------------------------------------------ Element BH: Number Days Mean Temperature LT Threshold (count) Qualifier: 0.0 deg C MEANMLY (Statistic 15): Mean Monthly Value ------------------ byr: 1961 eyr: 1990 Month ------------------ Jan 27.5 Feb 24.3 Mar 14.6 Apr .5 May .0 Jun .0 Jul .0 Aug .0 Sep .0 Oct .0 Nov 4.3 Dec 18.9 Annual 90.2 Ann-NCDC 90.1 ------------------ Element BJ: Number Days with Fog (count) MEANMLY (Statistic 15): Mean Monthly Value ------------------ byr: 1961 eyr: 1990 Month ------------------ Jan * Feb .0 Mar .1 Apr .5 May 1.1 Jun 2.2 Jul 3.1 Aug .7 Sep .0 Oct .0 Nov * Dec .0 Annual 7.7 Ann-NCDC 7.7 ------------------ Element BM: Number Days with Daily Maximum Wind Speed GE Threshold (count) Statistic 15: Mean Monthly Value Qualifier: 10.0 m/sec Qualifier: 15.0 m/sec Qualifier: 20.0 m/sec Qualifier: 30.0 m/sec ------------------------------------------ byr: 1975 1975 1975 1975 eyr: 1990 1990 1990 1990 Qualifier: 10.0 15.0 20.0 30.0 Month ------------------------------------------ Jan 1.1 .0 .0 .0 Feb .6 .0 .0 .0 Mar 1.3 .0 .0 .0 Apr 1.3 .0 .0 .0 May 1.4 .0 .0 .0 Jun .6 .0 .0 .0 Jul .2 .0 .0 .0 Aug .3 .1 .0 .0 Sep .6 .0 .0 .0 Oct 1.3 .0 .0 .0 Nov 1.0 .0 .0 .0 Dec 1.0 .0 .0 .0 Annual 10.7 .1 .0 .0 Ann-NCDC 10.7 0.1 0.0 0.0 ------------------------------------------ Element BT: Number Days with Occurrence of Rain (count) MEANMLY (Statistic 15): Mean Monthly Value ------------------ byr: 1968 eyr: 1990 Month ------------------ Jan 29.0 Feb 25.3 Mar 24.3 Apr 16.5 May 16.3 Jun 15.0 Jul 14.7 Aug 15.8 Sep 17.0 Oct 19.5 Nov 24.0 Dec 27.4 Annual 244.9 Ann-NCDC 244.8 ------------------ Element BW: Number Days with Daily Maximum Snow Cover GE Threshold (count) Statistic 15: Mean Monthly Value Qualifier: 0.0 cm Qualifier: 5.0 cm Qualifier: 10.0 cm Qualifier: 20.0 cm Qualifier: 50.0 cm Qualifier: 100.0 cm ---------------------------------------------------------- byr: 1961 1961 1961 1961 1961 1961 eyr: 1990 1990 1990 1990 1990 1990 Qualifier: 0.0 5.0 10.0 20.0 50.0 100.0 Month ---------------------------------------------------------- Jan 31.0 30.9 30.4 29.6 20.7 2.1 Feb 28.2 28.2 28.2 28.2 27.1 8.4 Mar 30.5 29.9 29.3 28.5 22.1 4.6 Apr 8.2 5.7 4.8 3.5 1.3 .0 May .0 .0 .0 .0 .0 .0 Jun .0 .0 .0 .0 .0 .0 Jul .0 .0 .0 .0 .0 .0 Aug .0 .0 .0 .0 .0 .0 Sep .0 .0 .0 .0 .0 .0 Oct .5 .1 .0 .0 .0 .0 Nov 11.6 5.1 2.6 .6 .0 .0 Dec 29.0 25.5 22.4 16.4 3.2 .0 Annual 139.1 125.3 117.7 106.9 74.3 15.2 Ann-NCDC 139.0 125.4 117.7 106.8 74.4 15.1 ----------------------------------------------------------