Station Name: Naha WMO Station Number: 47936 National I.D. Number: Country: JAPAN WMO Region: REGION II - ASIA Latitude: 26d 12m N Longitude: 127d 41m E Elevation: 28 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 16.0 1.3 Feb 16.3 1.3 Mar 18.1 .9 Apr 21.1 1.1 May 23.8 .8 Jun 26.2 .8 Jul 28.3 .7 Aug 28.1 .5 Sep 27.2 .6 Oct 24.5 .8 Nov 21.4 .8 Dec 18.0 .9 Annual 22.4 .3 Ann-NCDC 22.4 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 18.6 1.4 14.4 21.1 Feb 19.0 1.4 15.7 21.2 Mar 20.8 1.0 18.8 22.5 Apr 23.9 1.2 22.3 27.7 May 26.5 .9 24.6 29.3 Jun 28.8 .9 26.7 31.0 Jul 31.1 .8 28.9 32.7 Aug 30.7 .6 29.2 31.7 Sep 29.9 .7 28.6 31.2 Oct 27.2 .8 26.0 29.0 Nov 24.0 .8 22.5 25.6 Dec 20.6 1.0 18.1 22.4 Annual 25.1 .3 24.5 25.8 Ann-NCDC 25.1 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 13.6 1.3 10.3 16.1 Feb 13.9 1.2 11.2 16.3 Mar 15.6 1.0 13.8 17.6 Apr 18.6 1.1 16.4 21.6 May 21.5 .8 19.4 23.0 Jun 24.2 .9 22.3 25.9 Jul 26.1 .7 24.6 27.7 Aug 25.8 .4 24.8 26.9 Sep 25.0 .6 23.8 25.8 Oct 22.3 1.0 20.5 24.1 Nov 19.1 .9 17.5 21.2 Dec 15.7 .9 13.3 17.2 Annual 20.1 .4 19.2 20.9 Ann-NCDC 20.1 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: 1986 1986 1986 1986 1986 1986 1986 Statistic: MEANMLY MIN_MLY QUIN20% QUIN40% QUIN60% QUIN80% MAX_MLY Month ------------------------------------------------------------------ Jan 113.0 24.0 62.7 103.1 112.4 161.1 274.8 Feb 106.0 22.5 59.4 71.2 110.0 129.9 291.5 Mar 162.0 28.0 71.5 105.2 180.1 246.9 420.0 Apr 152.0 18.4 77.5 123.0 145.7 223.0 525.0 May 243.2 14.8 130.0 193.6 237.2 388.3 637.0 Jun 252.7 20.0 114.6 187.3 250.6 380.2 602.5 Jul 190.2 12.5 62.9 99.7 185.5 325.7 512.9 Aug 258.9 62.0 133.1 187.7 284.0 403.9 537.8 Sep 168.0 60.3 74.0 118.7 164.6 232.8 462.7 Oct 150.9 6.5 39.6 82.4 144.0 283.5 413.0 Nov 116.9 5.0 47.0 70.6 121.3 197.9 367.0 Dec 123.0 15.5 58.9 94.4 136.1 202.8 233.9 Annual 2036.8 969.6 1562.5 1927.4 2109.5 2392.0 3176.2 Ann-NCDC 2036.8 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: 1986 1986 1986 1986 Statistic: MNDLYMX MEANMLY MIN_MLY MAX_MLY Month ------------------------------------------ Jan 0 0 0 0 Feb * * 0 * Mar 0 0 0 0 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 0 0 0 Dec 0 0 0 0 Annual * * 0 * Ann-NCDC NA * NA NA ------------------------------------------ Element 10: Snow Depth (cm) MAX_VAL (Statistic 04): Maximum 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 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 69 5 73 71 65 71 Feb 72 4 76 73 67 74 Mar 74 4 78 74 69 76 Apr 78 3 84 77 72 80 May 82 3 87 80 76 84 Jun 85 3 90 83 79 87 Jul 81 3 87 78 73 83 Aug 81 3 86 79 74 83 Sep 79 3 84 77 72 80 Oct 73 4 79 72 68 75 Nov 71 5 75 71 66 73 Dec 69 5 73 69 64 70 Annual 76 2 81 75 70 78 Ann-NCDC 76.2 NA 81.0 75.3 70.4 78.0 ---------------------------------------------------------- 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 1020.3 1.3 Feb 1019.5 1.7 Mar 1017.5 1.2 Apr 1015.0 1.2 May 1011.1 .9 Jun 1008.6 1.5 Jul 1008.2 1.9 Aug 1006.6 2.2 Sep 1009.9 1.6 Oct 1014.3 1.5 Nov 1018.2 .9 Dec 1020.3 1.1 Annual 1014.1 .5 Ann-NCDC 1014.1 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 1014.0 1.3 Feb 1013.1 1.7 Mar 1011.2 1.2 Apr 1008.8 1.2 May 1005.0 .9 Jun 1002.5 1.5 Jul 1002.1 1.9 Aug 1000.6 2.2 Sep 1003.8 1.6 Oct 1008.1 1.5 Nov 1012.0 .9 Dec 1014.0 1.2 Annual 1008.0 .5 Ann-NCDC 1007.9 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 12.9 1.8 Feb 13.8 1.8 Mar 15.9 1.6 Apr 19.9 1.9 May 24.3 1.4 Jun 29.1 1.2 Jul 30.9 1.0 Aug 30.6 .9 Sep 28.5 1.5 Oct 22.9 2.2 Nov 18.6 1.9 Dec 14.5 1.6 Annual 21.8 .5 Ann-NCDC 21.8 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 29.0 95.6 Feb 28.0 89.1 Mar 31.0 114.3 Apr 39.0 148.8 May 36.0 150.8 Jun 43.0 178.9 Jul 61.0 258.1 Aug 57.0 230.9 Sep 56.0 207.6 Oct 49.0 174.0 Nov 37.0 120.3 Dec 33.0 108.0 Annual 42.0 1876.4 Ann-NCDC NA 1876.4 -------------------------- Element 16: Wind Speed (m/sec) MEAN (Statistic 01): Mean Value ------------------ byr: 1975 eyr: 1990 Month ------------------ Jan 4.4 Feb 4.6 Mar 4.5 Apr 4.4 May 4.3 Jun 5.0 Jul 4.4 Aug 4.9 Sep 4.0 Oct 4.7 Nov 5.1 Dec 4.6 Annual 4.6 Ann-NCDC 4.6 ------------------ 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 .150 .180 .150 .070 .040 .040 .030 .020 .020 Feb .120 .170 .130 .060 .040 .040 .040 .040 .040 Mar .110 .110 .100 .080 .060 .060 .060 .060 .050 Apr .070 .090 .090 .090 .080 .080 .070 .070 .100 May .060 .080 .090 .130 .090 .080 .060 .050 .090 Jun .020 .030 .060 .090 .060 .070 .100 .100 .170 Jul .020 .020 .040 .070 .070 .090 .090 .100 .100 Aug .040 .050 .080 .130 .110 .130 .080 .070 .040 Sep .070 .100 .130 .140 .090 .070 .060 .040 .030 Oct .150 .230 .210 .110 .060 .040 .030 .020 .010 Nov .160 .290 .200 .100 .050 .030 .020 .020 .010 Dec .170 .230 .190 .070 .040 .030 .020 .010 .010 Annual .100 .130 .120 .100 .070 .060 .050 .050 .060 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 .020 .010 .010 .010 .010 .080 .160 Feb .030 .010 .010 .010 .020 .070 .160 Mar .060 .030 .020 .010 .020 .060 .110 Apr .070 .020 .020 .010 .020 .040 .070 May .080 .040 .030 .020 .020 .020 .050 Jun .160 .070 .030 .020 .010 .010 .010 Jul .150 .110 .060 .030 .010 .010 .020 Aug .040 .050 .050 .040 .030 .030 .040 Sep .040 .040 .050 .030 .030 .020 .050 Oct .020 .010 .010 .010 .010 .020 .070 Nov .010 * * * .010 .020 .090 Dec .010 * .010 .010 .010 .050 .130 Annual .060 .030 .020 .020 .020 .040 .080 Ann-NCDC NA NA NA NA NA NA NA ------------------------------------------------------------------ Element 17: Wind Direction (degrees) PREVAIL (Statistic 41): Prevailing ------------------ byr: 1975 eyr: 1990 Month ------------------ Jan 45.0 Feb 45.0 Mar 360.0 Apr 202.5 May 90.0 Jun 202.5 Jul 225.0 Aug 90.0 Sep 90.0 Oct 45.0 Nov 45.0 Dec 45.0 Annual 45.0 Ann-NCDC NA ------------------ Element 20: Sky Cover (Cloud Cover) (okta) MEAN (Statistic 01): Mean Value ------------------ byr: 1961 eyr: 1990 Month ------------------ Jan 6.2 Feb 6.2 Mar 6.2 Apr 6.0 May 6.4 Jun 6.5 Jul 5.2 Aug 5.3 Sep 5.0 Oct 4.9 Nov 5.7 Dec 5.8 Annual 5.8 Ann-NCDC 5.8 ------------------ Element 33: Global Solar Radiation (MJ/m2) MEANDLY (Statistic 06): Mean Daily Value ------------------ byr: 1961 eyr: 1990 Month ------------------ Jan 8.4 Feb 9.5 Mar 11.2 Apr 14.8 May 16.1 Jun 17.7 Jul 20.3 Aug 18.2 Sep 16.8 Oct 13.7 Nov 10.2 Dec 8.9 Annual 13.8 Ann-NCDC NA ------------------ Element 51: Number Days with Thunder (count) MEANMLY (Statistic 15): Mean Monthly Value ------------------ byr: 1961 eyr: 1990 Month ------------------ Jan .3 Feb .4 Mar 2.0 Apr 2.0 May 2.8 Jun 3.0 Jul 2.8 Aug 3.6 Sep 2.9 Oct 1.5 Nov .3 Dec .3 Annual 22.0 Ann-NCDC 21.9 ------------------ Element 56: Number Days with Snowfall (count) 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 73: Number Days with no Sunshine (count) MEANMLY (Statistic 15): Mean Monthly Value ------------------ byr: 1961 eyr: 1990 Month ------------------ Jan 5.7 Feb 5.5 Mar 5.5 Apr 3.6 May 4.3 Jun 3.8 Jul 1.5 Aug 1.4 Sep 1.2 Oct 2.3 Nov 4.5 Dec 5.0 Annual 44.3 Ann-NCDC 44.3 ------------------ 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 .4 .0 Feb .8 .0 Mar 2.4 .0 Apr 10.5 .0 May 23.6 1.0 Jun 28.5 11.7 Jul 31.0 26.0 Aug 31.0 24.2 Sep 29.9 17.0 Oct 26.8 1.9 Nov 11.4 * Dec 1.2 .0 Annual 197.4 81.7 Ann-NCDC 197.5 81.8 -------------------------- 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 .8 Jun 12.8 Jul 25.9 Aug 24.8 Sep 17.0 Oct 2.2 Nov * Dec .0 Annual 83.5 Ann-NCDC 83.5 ------------------ 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 .9 May 9.2 Jun 22.2 Jul 30.8 Aug 31.0 Sep 28.7 Oct 13.0 Nov .9 Dec .0 Annual 136.7 Ann-NCDC 136.7 ------------------ 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 .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 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 13.4 10.9 3.4 .9 .2 .1 * Feb 13.3 10.9 3.5 .5 .2 .1 * Mar 14.2 11.7 4.3 1.2 .7 .3 .1 Apr 11.0 9.5 4.4 1.7 .7 .2 .1 May 12.4 11.6 6.1 2.8 1.5 .5 .2 Jun 12.2 11.9 5.7 3.0 1.6 .7 .3 Jul 10.9 9.5 3.9 2.0 1.0 .7 .5 Aug 14.7 13.1 5.7 2.4 1.1 .8 .5 Sep 11.9 10.8 3.4 1.3 .8 .5 .4 Oct 9.5 8.0 3.0 1.7 .9 .5 .2 Nov 9.8 8.3 2.9 1.0 .5 .3 .1 Dec 10.8 9.7 3.7 .8 .4 .2 .1 Annual 144.2 125.8 50.1 19.2 9.5 4.9 2.6 Ann-NCDC 144.1 125.9 50.0 19.3 9.6 4.9 2.5 ------------------------------------------------------------------ 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 .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 BJ: Number Days with Fog (count) MEANMLY (Statistic 15): Mean Monthly Value ------------------ byr: 1961 eyr: 1986 Month ------------------ Jan .0 Feb .1 Mar .2 Apr .3 May .2 Jun * Jul * Aug .0 Sep .0 Oct .0 Nov * Dec .0 Annual .9 Ann-NCDC 0.8 ------------------ 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 4.0 .1 .0 .0 Feb 3.9 .1 .0 .0 Mar 4.7 .3 .1 .0 Apr 3.8 .0 .0 .0 May 3.8 .0 .0 .0 Jun 5.7 .0 .0 .0 Jul 4.3 .5 .0 .0 Aug 7.1 1.8 .5 .0 Sep 2.8 .9 .5 .0 Oct 5.7 .8 .3 .0 Nov 5.8 .3 .0 .0 Dec 3.4 .0 .0 .0 Annual 54.8 4.7 1.3 .0 Ann-NCDC 55.0 4.8 1.4 0.0 ------------------------------------------ Element BT: Number Days with Occurrence of Rain (count) MEANMLY (Statistic 15): Mean Monthly Value ------------------ byr: 1968 eyr: 1990 Month ------------------ Jan 24.6 Feb 22.3 Mar 22.7 Apr 18.7 May 21.9 Jun 20.6 Jul 20.6 Aug 23.5 Sep 21.1 Oct 20.6 Nov 21.5 Dec 22.3 Annual 260.4 Ann-NCDC 260.4 ------------------ 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 .0 .0 .0 .0 .0 .0 Feb .0 .0 .0 .0 .0 .0 Mar .0 .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 .0 .0 .0 .0 .0 .0 Annual .0 .0 .0 .0 .0 .0 Ann-NCDC 0.0 0.0 0.0 0.0 0.0 0.0 ----------------------------------------------------------