Station Name: Maebashi WMO Station Number: 47624 National I.D. Number: Country: JAPAN WMO Region: REGION II - ASIA Latitude: 36d 24m N Longitude: 139d 04m E Elevation: 112 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 2.8 1.2 Feb 3.3 1.4 Mar 6.5 1.2 Apr 12.6 1.0 May 17.6 .9 Jun 20.9 1.1 Jul 24.4 1.3 Aug 25.9 1.2 Sep 21.5 1.0 Oct 15.6 .9 Nov 10.3 1.1 Dec 5.5 1.1 Annual 13.9 .5 Ann-NCDC 13.9 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 8.3 1.2 6.1 11.0 Feb 8.7 1.4 5.0 11.8 Mar 12.1 1.3 8.9 14.0 Apr 18.2 1.1 15.9 20.0 May 23.1 1.0 21.5 25.9 Jun 25.5 1.4 23.4 28.6 Jul 28.7 1.7 25.2 32.7 Aug 30.7 1.6 26.3 33.7 Sep 25.8 1.2 23.7 28.8 Oct 20.6 1.0 18.7 22.9 Nov 15.8 1.1 13.1 18.1 Dec 11.1 1.1 9.3 13.3 Annual 19.1 .6 18.3 20.4 Ann-NCDC 19.1 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 -1.7 1.3 -3.9 1.8 Feb -1.2 1.6 -3.8 2.3 Mar 1.6 1.2 -1.5 3.8 Apr 7.5 1.1 4.2 10.1 May 12.3 .9 10.7 14.2 Jun 16.9 1.0 15.4 19.0 Jul 20.8 1.0 19.0 23.1 Aug 22.1 .9 19.9 23.6 Sep 18.0 1.0 16.2 20.0 Oct 11.5 1.0 10.0 14.2 Nov 5.8 1.3 3.6 8.5 Dec 1.0 1.2 -1.7 3.9 Annual 9.6 .6 8.7 11.1 Ann-NCDC 9.6 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 21.1 .0 2.5 9.9 22.0 35.3 69.0 Feb 34.1 .0 8.7 24.0 34.0 51.3 117.5 Mar 49.9 1.0 25.2 41.3 59.7 78.9 117.5 Apr 77.1 5.0 49.8 64.2 89.0 101.1 144.5 May 93.4 23.0 53.0 72.4 98.0 128.4 255.4 Jun 169.9 44.5 102.9 154.5 189.0 229.2 301.7 Jul 172.8 87.0 122.6 146.7 178.0 214.0 292.7 Aug 171.8 24.0 83.7 156.0 207.5 239.1 325.5 Sep 183.4 25.2 100.5 151.3 171.0 282.7 420.5 Oct 93.8 14.5 58.7 75.0 98.0 117.0 267.0 Nov 45.0 7.9 16.7 26.2 42.4 62.5 198.0 Dec 17.9 .0 4.7 11.0 19.0 25.1 106.0 Annual 1130.4 799.0 985.2 1063.6 1174.5 1279.0 1657.5 Ann-NCDC 1130.2 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 4 5 * 31 Feb 7 11 * 41 Mar 4 5 0 39 Apr 1 1 0 9 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 1 1 0 4 Annual 9 22 1 94 Ann-NCDC NA 23.0 NA NA ------------------------------------------ Element 10: Snow Depth (cm) MAX_VAL (Statistic 04): Maximum Value ------------------ byr: 1961 eyr: 1990 Month ------------------ Jan 4 Feb 7 Mar 4 Apr 1 May 0 Jun 0 Jul 0 Aug 0 Sep 0 Oct 0 Nov 0 Dec 1 Annual 10 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 55 3 63 55 40 60 Feb 55 5 64 55 42 60 Mar 55 4 65 52 42 59 Apr 60 5 70 58 48 64 May 64 4 75 61 50 69 Jun 74 4 84 72 61 78 Jul 79 4 88 78 67 82 Aug 76 4 87 74 63 81 Sep 77 3 86 75 65 82 Oct 70 3 79 66 56 76 Nov 63 3 72 60 50 69 Dec 57 3 66 57 43 64 Annual 65 1 75 64 52 70 Ann-NCDC 65.4 NA 74.9 63.6 52.3 70.3 ---------------------------------------------------------- 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 1015.6 3.1 Feb 1016.1 2.3 Mar 1015.7 1.8 Apr 1015.8 2.0 May 1012.1 1.2 Jun 1009.5 1.5 Jul 1009.0 1.6 Aug 1009.4 1.5 Sep 1013.1 1.2 Oct 1017.2 1.4 Nov 1018.6 1.8 Dec 1017.2 2.1 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 1001.6 3.1 Feb 1002.1 2.2 Mar 1001.9 1.8 Apr 1002.2 2.0 May 998.8 1.2 Jun 996.4 1.4 Jul 996.2 1.5 Aug 996.6 1.5 Sep 1000.0 1.2 Oct 1003.8 1.4 Nov 1004.9 1.8 Dec 1003.3 2.0 Annual 1000.7 .5 Ann-NCDC 1000.6 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 4.1 .6 Feb 4.4 .7 Mar 5.4 .6 Apr 8.9 1.1 May 12.7 .9 Jun 18.1 1.2 Jul 23.9 1.5 Aug 25.3 1.2 Sep 19.9 1.2 Oct 12.6 1.0 Nov 8.1 .9 Dec 5.2 .6 Annual 12.4 .4 Ann-NCDC 12.4 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 65.0 199.7 Feb 58.0 177.8 Mar 55.0 201.3 Apr 45.0 178.1 May 44.0 191.6 Jun 27.0 119.5 Jul 28.0 123.4 Aug 39.0 162.2 Sep 30.0 112.7 Oct 44.0 154.7 Nov 55.0 167.8 Dec 64.0 190.9 Annual 45.0 1979.8 Ann-NCDC NA 1979.7 -------------------------- Element 16: Wind Speed (m/sec) MEAN (Statistic 01): Mean Value ------------------ byr: 1975 eyr: 1990 Month ------------------ Jan 3.4 Feb 3.3 Mar 3.5 Apr 3.1 May 2.8 Jun 2.2 Jul 2.1 Aug 2.2 Sep 2.1 Oct 2.6 Nov 2.9 Dec 3.3 Annual 2.8 Ann-NCDC 2.8 ------------------ 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 .020 .030 .020 .010 .010 .010 Feb .010 .010 .010 .020 .050 .030 .020 .010 .010 Mar .020 .010 .010 .020 .070 .050 .020 .020 .010 Apr .010 .010 .010 .040 .150 .080 .030 .020 .020 May .020 .010 .020 .060 .180 .110 .040 .020 .020 Jun .010 .010 .020 .060 .220 .140 .050 .040 .030 Jul .020 .010 .020 .080 .240 .140 .050 .030 .030 Aug .010 .010 .020 .090 .250 .110 .040 .030 .030 Sep .020 .020 .020 .060 .140 .080 .040 .030 .030 Oct .010 .010 .010 .020 .070 .050 .020 .020 .020 Nov .010 .010 .010 .020 .050 .040 .020 .020 .010 Dec .010 * .010 .010 .030 .030 .020 .010 .010 Annual .010 .010 .010 .040 .120 .070 .030 .020 .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 .010 .020 .040 .070 .250 .380 .110 Feb .010 .020 .040 .080 .240 .360 .100 Mar .010 .020 .030 .060 .200 .360 .090 Apr .020 .020 .030 .050 .150 .260 .090 May .020 .020 .020 .040 .140 .210 .060 Jun .020 .020 .020 .040 .100 .150 .050 Jul .020 .020 .020 .040 .090 .130 .040 Aug .020 .020 .020 .040 .100 .150 .050 Sep .030 .030 .040 .060 .140 .210 .060 Oct .010 .020 .030 .070 .230 .320 .070 Nov .010 .020 .040 .090 .270 .330 .070 Dec .010 .020 .040 .080 .270 .360 .100 Annual .020 .020 .030 .060 .180 .270 .070 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 337.5 Apr 337.5 May 337.5 Jun 112.5 Jul 112.5 Aug 112.5 Sep 337.5 Oct 337.5 Nov 337.5 Dec 337.5 Annual 337.5 Ann-NCDC NA ------------------ Element 20: Sky Cover (Cloud Cover) (okta) MEAN (Statistic 01): Mean Value ------------------ byr: 1961 eyr: 1990 Month ------------------ Jan 2.7 Feb 3.4 Mar 4.2 Apr 5.0 May 5.4 Jun 6.6 Jul 6.6 Aug 5.8 Sep 6.3 Oct 5.0 Nov 3.8 Dec 2.6 Annual 4.8 Ann-NCDC 4.8 ------------------ Element 33: Global Solar Radiation (MJ/m2) MEANDLY (Statistic 06): Mean Daily Value ------------------ byr: 1961 eyr: 1990 Month ------------------ Jan 9.5 Feb 11.4 Mar 14.1 Apr 15.7 May 17.2 Jun 13.5 Jul 13.6 Aug 14.3 Sep 10.7 Oct 10.6 Nov 8.8 Dec 8.4 Annual 12.3 Ann-NCDC NA ------------------ Element 51: Number Days with Thunder (count) MEANMLY (Statistic 15): Mean Monthly Value ------------------ byr: 1961 eyr: 1990 Month ------------------ Jan .1 Feb .0 Mar * Apr .5 May 1.6 Jun 3.0 Jul 4.7 Aug 5.6 Sep 2.8 Oct .4 Nov .1 Dec .0 Annual 18.7 Ann-NCDC 18.8 ------------------ Element 56: Number Days with Snowfall (count) MEANMLY (Statistic 15): Mean Monthly Value ------------------ byr: 1961 eyr: 1990 Month ------------------ Jan 5.8 Feb 6.0 Mar 3.5 Apr .3 May .0 Jun .0 Jul .0 Aug .0 Sep .0 Oct .0 Nov .1 Dec 2.0 Annual 17.7 Ann-NCDC 17.7 ------------------ Element 73: Number Days with no Sunshine (count) MEANMLY (Statistic 15): Mean Monthly Value ------------------ byr: 1961 eyr: 1990 Month ------------------ Jan 1.8 Feb 3.3 Mar 3.9 Apr 4.9 May 5.2 Jun 9.1 Jul 6.9 Aug 3.7 Sep 8.0 Oct 6.5 Nov 3.9 Dec 2.3 Annual 59.4 Ann-NCDC 59.5 ------------------ 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 .1 .0 Apr 1.9 * May 10.4 .9 Jun 17.6 3.8 Jul 24.2 14.1 Aug 29.1 20.3 Sep 17.8 4.7 Oct 2.8 * Nov .1 .0 Dec .0 .0 Annual 103.9 43.8 Ann-NCDC 104.0 43.8 -------------------------- 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 .0 Jun .0 Jul .2 Aug 1.0 Sep * Oct .0 Nov .0 Dec .0 Annual 1.3 Ann-NCDC 1.2 ------------------ 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 * Jun 1.7 Jul 14.8 Aug 21.8 Sep 4.1 Oct * Nov .0 Dec .0 Annual 42.5 Ann-NCDC 42.4 ------------------ 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 23.6 Feb 18.5 Mar 9.7 Apr .5 May .0 Jun .0 Jul .0 Aug .0 Sep .0 Oct .0 Nov 1.0 Dec 11.6 Annual 64.8 Ann-NCDC 64.9 ------------------ 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 3.4 2.7 .7 .1 .0 .0 .0 Feb 5.5 4.6 1.1 .1 .0 .0 .0 Mar 7.7 6.5 1.5 .2 * .0 .0 Apr 10.3 8.5 2.7 .4 * .0 .0 May 10.5 9.7 3.0 .6 .1 .1 .0 Jun 15.0 13.4 5.7 1.2 .4 .2 * Jul 16.1 13.9 5.1 1.6 .5 .1 .0 Aug 12.7 10.8 4.7 1.4 .8 .5 .2 Sep 14.4 12.2 5.5 1.8 .6 .2 .1 Oct 9.7 8.4 3.1 .8 .1 * * Nov 5.5 4.5 1.5 .3 .1 * .0 Dec 2.7 2.5 .6 * .0 .0 .0 Annual 113.7 97.8 35.3 8.5 2.6 1.2 .3 Ann-NCDC 113.5 97.7 35.2 8.5 2.6 1.1 0.3 ------------------------------------------------------------------ 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 3.1 Feb 2.5 Mar .2 Apr .0 May .0 Jun .0 Jul .0 Aug .0 Sep .0 Oct .0 Nov .0 Dec .3 Annual 6.1 Ann-NCDC 6.1 ------------------ Element BJ: Number Days with Fog (count) MEANMLY (Statistic 15): Mean Monthly Value ------------------ byr: 1961 eyr: 1990 Month ------------------ Jan .1 Feb .4 Mar .2 Apr .5 May .7 Jun 1.5 Jul 1.6 Aug .4 Sep .5 Oct .4 Nov .6 Dec .2 Annual 7.1 Ann-NCDC 7.1 ------------------ 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 1.7 .0 .0 .0 Feb 1.6 .0 .0 .0 Mar 3.1 .1 .0 .0 Apr 1.8 .0 .0 .0 May 1.1 .0 .0 .0 Jun .1 .0 .0 .0 Jul .1 .0 .0 .0 Aug .4 .1 .0 .0 Sep .1 .1 .0 .0 Oct .6 .0 .0 .0 Nov .9 .0 .0 .0 Dec 1.4 .0 .0 .0 Annual 12.9 .2 .0 .0 Ann-NCDC 12.9 0.3 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 9.6 Feb 10.7 Mar 14.1 Apr 16.0 May 16.2 Jun 21.6 Jul 22.6 Aug 20.6 Sep 21.2 Oct 15.3 Nov 10.6 Dec 7.9 Annual 186.2 Ann-NCDC 186.4 ------------------ 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 2.5 .5 .2 * .0 .0 Feb 3.6 1.5 .7 .2 .0 .0 Mar 1.8 .7 .4 .1 .0 .0 Apr .2 .1 .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 .7 * .0 .0 .0 .0 Annual 8.7 2.8 1.3 .3 .0 .0 Ann-NCDC 8.8 2.8 1.3 0.3 0.0 0.0 ----------------------------------------------------------