Station Name: Omu WMO Station Number: 47405 National I.D. Number: Country: JAPAN WMO Region: REGION II - ASIA Latitude: 44d 35m N Longitude: 142d 58m E Elevation: 14 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 -7.2 1.8 Feb -7.9 2.0 Mar -3.1 1.6 Apr 3.8 1.4 May 8.8 1.3 Jun 11.8 1.7 Jul 16.1 1.8 Aug 18.4 1.6 Sep 14.9 .9 Oct 9.0 1.0 Nov 2.1 1.3 Dec -3.3 1.6 Annual 5.3 .7 Ann-NCDC 5.3 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 -3.7 1.5 -7.2 -.8 Feb -3.8 1.9 -8.6 -.4 Mar .6 1.5 -2.3 4.0 Apr 8.0 1.7 4.5 12.0 May 13.6 1.7 10.4 18.1 Jun 15.7 2.2 9.9 19.4 Jul 19.7 2.1 15.5 24.5 Aug 22.0 2.1 17.9 25.2 Sep 19.5 1.1 17.4 23.2 Oct 13.8 1.1 11.8 16.2 Nov 5.9 1.5 2.8 9.8 Dec -.1 1.6 -3.6 3.4 Annual 9.3 .7 8.2 11.1 Ann-NCDC 9.3 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 -12.0 2.2 -16.9 -7.9 Feb -13.1 2.3 -18.3 -8.4 Mar -7.8 2.0 -11.4 -3.5 Apr -.7 1.2 -2.7 1.8 May 3.7 1.1 1.9 6.4 Jun 7.7 1.3 5.2 10.1 Jul 12.5 1.6 8.7 15.8 Aug 14.7 1.3 11.8 16.9 Sep 10.2 1.0 8.6 13.6 Oct 3.9 1.0 2.1 6.3 Nov -2.1 1.2 -4.6 .2 Dec -7.5 1.7 -11.0 -3.3 Annual .8 .7 -.3 2.6 Ann-NCDC 0.8 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 54.6 23.3 37.5 45.7 58.1 67.7 110.9 Feb 37.5 4.5 18.2 27.4 43.0 53.0 81.0 Mar 47.8 16.0 27.3 37.0 46.7 65.5 112.5 Apr 47.4 5.5 22.4 40.2 51.0 72.0 101.0 May 68.0 14.0 41.7 49.8 67.2 104.5 157.7 Jun 74.6 16.2 34.7 54.0 85.3 110.7 184.1 Jul 87.8 24.0 50.8 58.7 85.7 142.3 196.5 Aug 132.6 10.0 69.7 107.7 142.0 201.7 347.0 Sep 122.9 55.5 75.7 106.5 129.0 167.7 269.8 Oct 103.2 28.6 57.0 81.2 109.7 141.7 240.0 Nov 71.8 19.5 44.4 57.0 74.5 101.6 167.0 Dec 53.0 22.0 36.7 45.3 53.5 67.0 115.0 Annual 901.2 601.5 790.0 855.2 906.2 1007.6 1253.5 Ann-NCDC 901.2 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 25 97 55 185 Feb 14 63 18 114 Mar 17 51 19 123 Apr 9 16 0 71 May 1 2 0 19 Jun 0 0 0 0 Jul 0 0 0 0 Aug 0 0 0 0 Sep 0 0 0 0 Oct 1 1 0 12 Nov 9 26 3 83 Dec 15 64 23 114 Annual 31 320 242 437 Ann-NCDC NA 320.0 NA NA ------------------------------------------ Element 10: Snow Depth (cm) MAX_VAL (Statistic 04): Maximum Value ------------------ byr: 1961 eyr: 1990 Month ------------------ Jan 62 Feb 73 Mar 75 Apr 43 May 1 Jun 0 Jul 0 Aug 0 Sep 0 Oct * Nov 11 Dec 30 Annual 82 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 78 3 80 79 74 80 Feb 78 4 81 77 74 81 Mar 76 5 80 72 72 79 Apr 70 5 76 67 64 75 May 74 6 80 69 68 78 Jun 85 4 90 81 79 88 Jul 87 3 92 84 81 90 Aug 85 5 90 81 80 89 Sep 79 3 87 73 71 86 Oct 74 3 81 67 65 80 Nov 75 3 80 73 70 79 Dec 77 2 79 76 73 79 Annual 78 2 83 75 73 82 Ann-NCDC 78.2 NA 83.0 74.9 72.6 82.0 ---------------------------------------------------------- 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 1011.5 3.8 Feb 1013.3 3.2 Mar 1012.8 2.7 Apr 1013.1 3.0 May 1010.1 2.0 Jun 1009.8 1.9 Jul 1008.9 1.8 Aug 1009.6 1.8 Sep 1012.8 1.8 Oct 1014.7 2.2 Nov 1014.3 2.5 Dec 1012.1 2.4 Annual 1011.9 .9 Ann-NCDC 1011.9 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 1009.5 3.8 Feb 1011.2 3.2 Mar 1010.8 2.7 Apr 1011.1 3.0 May 1008.3 2.0 Jun 1008.0 1.9 Jul 1007.1 1.8 Aug 1007.8 1.8 Sep 1011.0 1.8 Oct 1012.8 2.2 Nov 1012.4 2.5 Dec 1010.1 2.4 Annual 1010.0 .9 Ann-NCDC 1010.0 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 3.0 .4 Feb 2.9 .4 Mar 3.8 .4 Apr 5.6 .4 May 8.1 .6 Jun 11.7 .9 Jul 16.1 1.4 Aug 18.2 1.4 Sep 13.8 .9 Oct 8.8 .7 Nov 5.6 .5 Dec 3.9 .4 Annual 8.4 .3 Ann-NCDC 8.5 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 35.0 99.9 Feb 44.0 129.4 Mar 46.0 170.6 Apr 45.0 181.9 May 41.0 188.8 Jun 34.0 159.7 Jul 33.0 153.7 Aug 33.0 145.3 Sep 46.0 171.8 Oct 47.0 158.4 Nov 37.0 105.8 Dec 35.0 94.6 Annual 40.0 1759.8 Ann-NCDC NA 1759.9 -------------------------- Element 16: Wind Speed (m/sec) MEAN (Statistic 01): Mean Value ------------------ byr: 1975 eyr: 1990 Month ------------------ Jan 3.3 Feb 2.9 Mar 3.3 Apr 3.6 May 3.5 Jun 2.4 Jul 2.1 Aug 2.5 Sep 3.1 Oct 3.7 Nov 3.5 Dec 3.5 Annual 3.1 Ann-NCDC 3.1 ------------------ 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 .030 .020 .020 .010 .020 .020 .030 .020 .020 Feb .040 .030 .020 .030 .050 .040 .020 .020 .010 Mar .040 .030 .010 .030 .070 .070 .030 .020 .020 Apr .040 .040 .020 .040 .080 .080 .030 .030 .020 May .050 .050 .040 .060 .110 .090 .030 .020 .020 Jun .080 .070 .040 .080 .160 .110 .030 .020 .010 Jul .060 .070 .050 .090 .150 .120 .040 .030 .020 Aug .040 .040 .030 .080 .130 .110 .040 .030 .020 Sep .040 .030 .030 .050 .090 .070 .030 .040 .030 Oct .030 .020 .010 .030 .040 .050 .030 .030 .030 Nov .020 .010 .010 .020 .020 .040 .030 .030 .030 Dec .030 .020 .010 .010 .010 .020 .020 .020 .020 Annual .040 .030 .020 .040 .080 .070 .030 .030 .020 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 .230 .190 .110 .090 .050 .050 Feb .130 .210 .130 .080 .080 .050 .050 Mar .090 .200 .140 .080 .070 .050 .060 Apr .090 .230 .110 .050 .040 .040 .050 May .080 .200 .080 .040 .030 .050 .060 Jun .070 .120 .040 .030 .040 .040 .060 Jul .060 .120 .040 .020 .030 .030 .050 Aug .100 .170 .070 .030 .030 .030 .040 Sep .140 .250 .100 .030 .030 .020 .030 Oct .130 .300 .160 .060 .040 .020 .030 Nov .110 .240 .210 .100 .070 .030 .030 Dec .100 .250 .230 .110 .070 .040 .030 Annual .100 .210 .130 .060 .050 .040 .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 247.5 Feb 247.5 Mar 247.5 Apr 247.5 May 247.5 Jun 112.5 Jul 112.5 Aug 247.5 Sep 247.5 Oct 247.5 Nov 247.5 Dec 247.5 Annual 247.5 Ann-NCDC NA ------------------ Element 73: Number Days with no Sunshine (count) MEANMLY (Statistic 15): Mean Monthly Value ------------------ byr: 1961 eyr: 1990 Month ------------------ Jan 5.6 Feb 3.5 Mar 3.8 Apr 3.8 May 4.9 Jun 7.1 Jul 6.7 Aug 6.9 Sep 4.2 Oct 3.3 Nov 4.0 Dec 4.3 Annual 58.1 Ann-NCDC 58.1 ------------------ 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 .0 May 1.2 .0 Jun 2.5 .1 Jul 6.0 1.5 Aug 7.8 1.6 Sep 1.8 * Oct .0 .0 Nov .0 .0 Dec .0 .0 Annual 19.3 3.2 Ann-NCDC 19.3 3.2 -------------------------- 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 .9 Aug .9 Sep .0 Oct .0 Nov .0 Dec .0 Annual 1.8 Ann-NCDC 1.8 ------------------ 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 26.8 Feb 23.9 Mar 14.5 Apr .9 May .0 Jun .0 Jul .0 Aug .0 Sep .0 Oct .0 Nov 2.5 Dec 16.0 Annual 84.6 Ann-NCDC 84.6 ------------------ 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 30.9 Feb 28.1 Mar 29.7 Apr 17.4 May 3.7 Jun .3 Jul .0 Aug .0 Sep * Oct 3.6 Nov 21.4 Dec 29.8 Annual 165.0 Ann-NCDC 164.9 ------------------ 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 16.3 12.3 1.1 .1 .0 .0 .0 Feb 14.3 9.5 .5 * .0 .0 .0 Mar 13.0 10.0 1.1 .1 .0 .0 .0 Apr 9.7 7.7 1.3 .2 .0 .0 .0 May 10.9 8.5 2.0 .4 * .0 .0 Jun 10.4 8.8 2.2 .4 .2 * .0 Jul 10.7 9.3 2.8 .5 .1 .1 .0 Aug 12.5 11.1 4.2 1.0 .3 .2 .1 Sep 13.0 11.7 3.7 .8 .3 .1 .0 Oct 14.7 11.8 3.1 .7 .1 .0 .0 Nov 14.8 11.8 2.0 .2 * .0 .0 Dec 16.6 11.6 1.2 .1 * * .0 Annual 157.0 124.1 25.3 4.6 1.1 .4 .1 Ann-NCDC 156.9 124.1 25.2 4.5 1.0 0.4 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 30.0 Feb 27.3 Mar 25.3 Apr 4.8 May .1 Jun .0 Jul .0 Aug .0 Sep .0 Oct * Nov 9.0 Dec 25.4 Annual 122.0 Ann-NCDC 121.9 ------------------ 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 3.2 .5 .0 .0 Feb 1.9 .3 .0 .0 Mar 3.8 .3 .1 .0 Apr 6.4 1.2 .1 .0 May 6.9 1.2 .1 .0 Jun 2.4 .3 .0 .0 Jul 1.2 .0 .0 .0 Aug 1.9 .1 .1 .0 Sep 2.6 .1 .0 .0 Oct 6.4 .8 .0 .0 Nov 5.1 .6 .0 .0 Dec 4.2 .5 .0 .0 Annual 45.9 5.8 .3 .0 Ann-NCDC 46.0 5.9 0.4 0.0 ------------------------------------------ Element BT: Number Days with Occurrence of Rain (count) MEANMLY (Statistic 15): Mean Monthly Value ------------------ byr: 1968 eyr: 1990 Month ------------------ Jan 26.7 Feb 23.6 Mar 23.0 Apr 16.3 May 16.9 Jun 16.2 Jul 17.3 Aug 18.4 Sep 16.8 Oct 19.3 Nov 22.5 Dec 26.2 Annual 243.1 Ann-NCDC 243.2 ------------------ 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 30.8 30.3 26.0 8.8 * Feb 28.2 28.2 28.2 27.6 18.7 .7 Mar 31.0 30.8 30.5 28.9 19.6 .6 Apr 14.0 10.5 9.0 6.8 2.9 .3 May .7 .2 .1 .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 * .0 .0 .0 .0 Nov 13.2 4.8 2.2 .5 .0 .0 Dec 29.5 24.8 18.6 8.7 .1 .0 Annual 148.1 130.2 118.9 98.6 50.2 1.6 Ann-NCDC 148.1 130.1 118.9 98.5 50.1 1.6 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