Station Name: Irako WMO Station Number: 47653 National I.D. Number: Country: JAPAN WMO Region: REGION II - ASIA Latitude: 34d 38m N Longitude: 137d 06m E Elevation: 6 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 5.2 1.1 Feb 5.4 1.4 Mar 8.2 1.0 Apr 13.8 .9 May 18.1 .5 Jun 21.5 .7 Jul 25.2 .9 Aug 26.6 .7 Sep 23.5 .9 Oct 17.9 .8 Nov 12.7 1.0 Dec 7.7 1.0 Annual 15.5 .5 Ann-NCDC 15.5 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 8.6 1.2 6.4 10.8 Feb 9.1 1.4 6.5 11.9 Mar 12.4 1.0 9.3 14.0 Apr 17.9 1.0 15.8 20.2 May 22.1 .7 21.1 23.6 Jun 25.0 .8 23.3 26.4 Jul 28.7 1.2 25.9 30.8 Aug 30.4 .9 28.1 32.0 Sep 26.9 1.0 25.2 29.5 Oct 21.6 .9 19.9 23.9 Nov 16.4 1.0 14.3 19.0 Dec 11.2 1.1 9.0 13.4 Annual 19.2 .5 18.5 20.4 Ann-NCDC 19.2 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 2.0 1.0 .5 3.9 Feb 2.1 1.4 .0 6.0 Mar 4.4 1.1 1.6 6.3 Apr 10.0 1.1 7.4 13.8 May 14.5 .6 13.3 16.0 Jun 18.7 .8 17.4 20.1 Jul 22.6 .8 20.5 24.2 Aug 23.8 .7 22.6 24.9 Sep 20.7 1.0 18.8 22.7 Oct 14.7 .9 13.4 17.9 Nov 9.3 1.2 7.2 11.6 Dec 4.2 1.1 1.9 6.6 Annual 12.3 .5 11.6 13.5 Ann-NCDC 12.2 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 51.4 2.0 21.6 37.0 53.3 80.5 130.0 Feb 72.1 9.0 27.2 42.7 67.7 132.4 200.5 Mar 112.5 5.5 77.2 99.2 123.5 149.5 187.5 Apr 144.4 44.5 106.0 138.5 158.7 176.5 282.5 May 175.9 65.7 113.6 149.7 181.5 219.2 326.0 Jun 215.1 71.5 136.8 182.4 221.3 284.9 472.6 Jul 182.7 43.5 108.2 130.6 169.5 235.2 691.1 Aug 184.6 35.3 75.7 136.2 203.0 248.7 752.5 Sep 200.6 17.1 92.8 145.2 185.5 312.2 498.5 Oct 150.8 22.5 74.7 112.8 156.5 205.7 467.0 Nov 94.1 7.5 55.7 72.6 103.1 127.2 233.8 Dec 42.8 .0 12.2 25.5 50.3 67.2 161.0 Annual 1626.8 1069.0 1339.4 1555.7 1694.4 1877.7 2339.0 Ann-NCDC 1627.0 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 * * 0 1 Feb * 1 0 5 Mar * * 0 2 Apr 0 0 0 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 0 0 0 Nov * * 0 * Dec * * 0 1 Annual 1 1 0 5 Ann-NCDC NA 1.0 NA NA ------------------------------------------ Element 10: Snow Depth (cm) MAX_VAL (Statistic 04): Maximum Value ------------------ byr: 1961 eyr: 1990 Month ------------------ Jan * Feb * Mar * Apr 0 May 0 Jun 0 Jul 0 Aug 0 Sep 0 Oct 0 Nov 0 Dec * Annual 1 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 64 5 69 65 54 66 Feb 65 6 71 65 55 67 Mar 66 4 74 66 55 69 Apr 72 4 80 70 62 75 May 75 4 84 72 66 79 Jun 82 3 88 79 74 85 Jul 84 3 91 81 75 88 Aug 81 3 89 77 71 86 Sep 78 3 84 76 69 81 Oct 72 3 80 72 62 75 Nov 70 4 77 71 60 72 Dec 67 5 73 69 56 69 Annual 73 3 80 72 63 76 Ann-NCDC 73.0 NA 80.0 71.9 63.3 76.0 ---------------------------------------------------------- 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 1017.6 2.4 Feb 1017.5 1.9 Mar 1016.5 1.5 Apr 1015.9 1.7 May 1012.4 1.2 Jun 1009.4 1.5 Jul 1009.1 1.3 Aug 1009.4 1.8 Sep 1012.4 1.2 Oct 1016.6 1.2 Nov 1019.1 1.4 Dec 1018.9 1.7 Annual 1014.6 .4 Ann-NCDC 1014.6 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 1016.6 2.4 Feb 1016.6 1.9 Mar 1015.6 1.5 Apr 1015.0 1.7 May 1011.5 1.2 Jun 1008.5 1.5 Jul 1008.2 1.3 Aug 1008.5 1.8 Sep 1011.5 1.2 Oct 1015.7 1.2 Nov 1018.2 1.4 Dec 1018.0 1.7 Annual 1013.7 .4 Ann-NCDC 1013.7 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 5.8 .8 Feb 6.0 1.0 Mar 7.4 .8 Apr 11.7 1.2 May 15.7 1.0 Jun 21.0 1.2 Jul 26.9 1.4 Aug 28.2 1.4 Sep 22.8 1.6 Oct 15.1 1.1 Nov 10.7 1.1 Dec 7.2 .9 Annual 14.9 .6 Ann-NCDC 14.9 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 58.0 181.4 Feb 55.0 169.0 Mar 53.0 196.1 Apr 46.0 180.8 May 48.0 205.5 Jun 36.0 157.1 Jul 43.0 190.0 Aug 55.0 229.2 Sep 43.0 158.7 Oct 47.0 163.8 Nov 52.0 161.3 Dec 58.0 175.9 Annual 49.0 2168.8 Ann-NCDC NA 2168.8 -------------------------- Element 16: Wind Speed (m/sec) MEAN (Statistic 01): Mean Value ------------------ byr: 1975 eyr: 1990 Month ------------------ Jan 5.2 Feb 5.2 Mar 4.9 Apr 4.4 May 3.9 Jun 3.5 Jul 3.2 Aug 3.4 Sep 3.4 Oct 3.8 Nov 4.2 Dec 4.6 Annual 4.2 Ann-NCDC 4.1 ------------------ 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 .020 .020 .010 .010 * * * * * Feb .010 .020 .010 .020 .010 .010 .010 .010 .010 Mar .020 .030 .020 .040 .030 .020 .020 .030 .020 Apr .020 .040 .030 .070 .080 .050 .060 .090 .030 May .020 .040 .040 .070 .090 .060 .090 .130 .050 Jun .020 .030 .040 .080 .110 .080 .120 .160 .050 Jul .010 .030 .030 .080 .120 .080 .120 .210 .060 Aug .010 .030 .040 .080 .120 .080 .130 .190 .050 Sep .020 .030 .060 .090 .090 .060 .070 .100 .040 Oct .030 .040 .060 .060 .040 .020 .030 .030 .010 Nov .020 .030 .020 .040 .020 .020 .010 .010 .010 Dec .020 .030 .020 .010 .010 .010 .010 .010 * Annual .020 .030 .030 .060 .060 .040 .060 .080 .030 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 * * .100 .220 .250 .280 .060 Feb .010 .010 .070 .210 .270 .280 .050 Mar .010 .010 .060 .160 .270 .230 .050 Apr .010 .020 .070 .110 .150 .130 .040 May .010 .020 .060 .100 .100 .090 .030 Jun .020 .020 .070 .080 .060 .050 .020 Jul .010 .020 .040 .060 .050 .050 .020 Aug .010 .020 .050 .060 .050 .040 .020 Sep .010 .010 .050 .080 .110 .130 .040 Oct .010 .010 .050 .100 .190 .270 .060 Nov * .010 .060 .130 .210 .310 .080 Dec * .010 .080 .180 .230 .310 .070 Annual .010 .010 .070 .130 .160 .180 .050 Ann-NCDC NA NA NA NA NA NA NA ------------------------------------------------------------------ Element 17: Wind Direction (degrees) PREVAIL (Statistic 41): Prevailing ------------------ byr: 1975 eyr: 1990 Month ------------------ Jan 337.5 Feb 337.5 Mar 315.0 Apr 315.0 May 180.0 Jun 180.0 Jul 180.0 Aug 180.0 Sep 337.5 Oct 337.5 Nov 337.5 Dec 337.5 Annual 337.5 Ann-NCDC NA ------------------ Element 73: Number Days with no Sunshine (count) MEANMLY (Statistic 15): Mean Monthly Value ------------------ byr: 1961 eyr: 1990 Month ------------------ Jan 2.4 Feb 3.2 Mar 4.4 Apr 4.6 May 5.1 Jun 6.2 Jul 3.9 Aug 1.4 Sep 4.7 Oct 5.1 Nov 3.7 Dec 2.6 Annual 47.2 Ann-NCDC 47.3 ------------------ 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 .2 .0 May 3.7 * Jun 15.1 .6 Jul 27.2 11.4 Aug 30.7 18.4 Sep 22.3 4.5 Oct 3.2 * Nov .0 .0 Dec .0 .0 Annual 102.5 34.9 Ann-NCDC 102.4 34.9 -------------------------- 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 2.3 Aug 6.6 Sep .9 Oct .0 Nov .0 Dec .0 Annual 9.9 Ann-NCDC 9.8 ------------------ 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 1.0 Jul 18.3 Aug 27.2 Sep 9.6 Oct .1 Nov .0 Dec .0 Annual 56.2 Ann-NCDC 56.2 ------------------ 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 .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 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 5.1 Feb 5.8 Mar 1.5 Apr .0 May .0 Jun .0 Jul .0 Aug .0 Sep .0 Oct .0 Nov .0 Dec .8 Annual 13.2 Ann-NCDC 13.2 ------------------ 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 5.4 5.0 1.8 .3 .1 .0 .0 Feb 7.2 6.0 2.3 .6 .2 * .0 Mar 10.2 9.3 4.1 .8 .1 * .0 Apr 11.6 10.5 4.9 1.3 .4 .1 .0 May 10.9 10.3 5.4 2.1 .7 .1 * Jun 12.7 11.7 6.4 2.4 1.0 .4 .0 Jul 11.5 10.1 4.7 1.8 .7 .4 .2 Aug 8.7 8.0 4.0 1.8 .9 .5 .3 Sep 12.2 10.3 5.0 1.7 .9 .6 .4 Oct 10.3 9.3 4.2 1.5 .6 .3 .1 Nov 7.4 6.7 2.7 .9 .3 .2 * Dec 5.8 4.6 1.6 .3 * .0 .0 Annual 113.8 102.0 47.1 15.5 6.0 2.6 1.0 Ann-NCDC 113.9 101.8 47.1 15.5 5.9 2.6 1.0 ------------------------------------------------------------------ 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 .1 Feb .2 Mar * Apr .0 May .0 Jun .0 Jul .0 Aug .0 Sep .0 Oct .0 Nov .0 Dec .0 Annual .3 Ann-NCDC 0.3 ------------------ 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 12.6 .6 .0 .0 Feb 11.9 .4 .0 .0 Mar 12.5 .8 .0 .0 Apr 9.8 .4 .0 .0 May 6.2 .5 .1 .0 Jun 3.4 .4 .1 .0 Jul 1.7 .1 .0 .0 Aug 3.1 .7 .1 .0 Sep 3.2 .5 .1 .0 Oct 6.3 .8 .1 .0 Nov 8.1 .6 .0 .0 Dec 10.0 .3 .0 .0 Annual 88.7 5.9 .4 .0 Ann-NCDC 88.8 6.1 0.5 0.0 ------------------------------------------ Element BT: Number Days with Occurrence of Rain (count) MEANMLY (Statistic 15): Mean Monthly Value ------------------ byr: 1968 eyr: 1990 Month ------------------ Jan 10.7 Feb 11.7 Mar 14.2 Apr 14.5 May 13.7 Jun 17.0 Jul 16.7 Aug 13.6 Sep 16.8 Oct 14.1 Nov 10.4 Dec 9.5 Annual 162.9 Ann-NCDC 162.9 ------------------ 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 .4 .0 .0 .0 .0 .0 Feb .7 .0 .0 .0 .0 .0 Mar .1 .0 .0 .0 .0 .0 Apr .0 .0 .0 .0 .0 .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 .0 .0 .0 .0 .0 .0 Nov .0 .0 .0 .0 .0 .0 Dec .1 .0 .0 .0 .0 .0 Annual 1.2 .0 .0 .0 .0 .0 Ann-NCDC 1.3 0.0 0.0 0.0 0.0 0.0 ----------------------------------------------------------