Station Name: MUSKEGON/COUNTY ARPT MI WMO Station Number: 72636 National I.D. Number: 00205712 Country: UNITED STATES OF AMERICA WMO Region: REGION IV - NORTH & CENTRAL AMERICA Latitude: 43d 10m N Longitude: 086d 14m W Elevation: 191 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 #_YEARS (Statistic 98): Number of Years used to Calculate Normal -------------------------- byr: 1961 1961 eyr: 1990 1990 Statistic: MEAN #_YEARS Month -------------------------- Jan -4.8 30 Feb -4.2 30 Mar .7 30 Apr 7.2 30 May 13.3 30 Jun 18.3 30 Jul 21.3 30 Aug 20.3 30 Sep 16.2 30 Oct 10.2 30 Nov 4.1 30 Dec -1.9 30 Annual 8.4 30 Ann-NCDC 8.4 NA -------------------------- Element 02: Maximum Dry Bulb Temperature (deg C) MEAN (Statistic 01): Mean Value MAX_VAL (Statistic 04): Maximum Value DATEMAX (Statistic 12): Date (Year/Day) of Occurrence of Maximum Daily Value #_YEARS (Statistic 98): Number of Years used to Calculate Normal ------------------------------------------ byr: 1961 1961 1961 1961 eyr: 1990 1990 1990 1990 Statistic: MEAN MAX_VAL DATEMAX #_YEARS Month ------------------------------------------ Jan -1.8 15.0 196724 30 Feb -.7 16.7 197627 30 Mar 5.1 26.7 198131 30 Apr 12.5 30.0 197029 30 May 19.2 33.9 196229 30 Jun 24.2 33.9 198825 30 Jul 26.8 35.6 198806 30 Aug 25.6 37.2 196403 30 Sep 21.6 31.7 197303 30 Oct 15.0 28.3 197102 30 Nov 7.8 24.4 196102 30 Dec .9 17.8 198202 30 Annual 13.0 NA NA 30 Ann-NCDC 13.0 NA NA NA ------------------------------------------ Element 03: Minimum Dry Bulb Temperature (deg C) MEAN (Statistic 01): Mean Value MIN_VAL (Statistic 05): Minimum Value DATEMIN (Statistic 14): Date (Year/Day) of Occurrence of Minimum Daily Value #_YEARS (Statistic 98): Number of Years used to Calculate Normal ------------------------------------------ byr: 1961 1961 1961 1961 eyr: 1990 1990 1990 1990 Statistic: MEAN MIN_VAL DATEMIN #_YEARS Month ------------------------------------------ Jan -7.9 -24.4 197215 30 Feb -7.8 -25.6 197317 30 Mar -3.7 -21.1 197802 30 Apr 1.9 -17.2 198207 30 May 7.3 -5.0 196610 30 Jun 12.4 -.6 197211 30 Jul 15.7 5.0 198306 30 Aug 14.9 2.2 197916 30 Sep 10.8 -2.8 198927 30 Oct 5.3 -6.1 198030 30 Nov .4 -15.0 197727 30 Dec -4.8 -26.1 197631 30 Annual 3.7 NA NA 30 Ann-NCDC 3.7 NA NA NA ------------------------------------------ Element 04: Wet Bulb Temperature (deg C) SD3HRLY (Statistic 60): Standard Deviation of 3-Hourly Values MN3HRLY (Statistic 94): Mean of 3-Hourly Observations #_YEARS (Statistic 98): Number of Years used to Calculate Normal ---------------------------------- byr: 1961 1961 1961 eyr: 1990 1990 1990 Statistic: SD3HRLY MN3HRLY #_YEARS Month ---------------------------------- Jan 5.4 -5.8 29 Feb 5.3 -5.2 30 Mar 5.4 -.8 30 Apr 5.2 4.4 30 May 4.8 9.8 30 Jun 4.0 14.8 29 Jul 3.4 17.7 29 Aug 3.7 17.3 28 Sep 4.7 13.8 28 Oct 4.9 8.2 28 Nov 4.9 2.5 29 Dec 5.1 -3.1 29 Annual 9.6 6.1 27 Ann-NCDC NA 6.1 NA ---------------------------------- Element 05: Dew Point Temperature (deg C) SD3HRLY (Statistic 60): Standard Deviation of 3-Hourly Values MN3HRLY (Statistic 94): Mean of 3-Hourly Observations #_YEARS (Statistic 98): Number of Years used to Calculate Normal ---------------------------------- byr: 1961 1961 1961 eyr: 1990 1990 1990 Statistic: SD3HRLY MN3HRLY #_YEARS Month ---------------------------------- Jan 6.1 -8.3 29 Feb 6.2 -8.1 30 Mar 6.2 -4.2 30 Apr 5.9 .6 30 May 5.8 6.1 30 Jun 4.6 12.0 29 Jul 4.0 15.3 29 Aug 4.1 15.4 28 Sep 5.2 11.8 28 Oct 5.4 5.7 28 Nov 5.7 -.1 29 Dec 5.7 -5.4 29 Annual 10.1 3.4 27 Ann-NCDC NA 3.4 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 #_YEARS (Statistic 98): Number of Years used to Calculate Normal -------------------------------------------------------------------------- byr: 1961 1961 1961 1961 1961 1961 1961 1961 eyr: 1990 1990 1990 1990 1990 1990 1990 1990 Statistic: MEANMLY MIN_MLY QUIN20% QUIN40% QUIN60% QUIN80% MAX_MLY #_YEARS Month -------------------------------------------------------------------------- Jan 59.4 19.6 37.6 49.8 62.5 79.5 118.4 30 Feb 37.8 9.1 20.6 29.5 39.4 53.1 72.4 30 Mar 63.8 20.6 38.6 52.6 66.8 86.6 167.4 30 Apr 73.7 18.3 47.0 62.0 77.2 97.5 155.2 30 May 66.0 10.9 34.0 50.5 68.6 94.2 164.6 30 Jun 59.7 11.9 31.8 46.2 62.0 84.3 138.7 30 Jul 53.3 25.4 37.1 46.5 56.1 68.6 91.9 30 Aug 86.6 2.8 34.8 58.9 87.4 130.6 251.0 30 Sep 98.6 4.3 37.1 64.8 98.3 149.9 344.2 30 Oct 71.1 18.0 40.9 57.2 74.2 98.0 166.6 30 Nov 80.0 15.7 45.5 64.0 83.6 110.7 167.9 30 Dec 77.0 32.5 51.3 66.0 80.8 100.3 135.6 30 Annual 827.0 NA NA NA NA NA NA 30 Ann-NCDC 827.0 NA NA NA NA NA NA NA -------------------------------------------------------------------------- Element 08: Maximum 24-Hour Precipitation (mm) MAX_DLY (Statistic 11): Maximum Daily Value DATEMAX (Statistic 12): Date (Year/Day) of Occurrence of Maximum Daily Value #_YEARS (Statistic 98): Number of Years used to Calculate Normal ---------------------------------- byr: 1961 1961 1961 eyr: 1990 1990 1990 Statistic: MAX_DLY DATEMAX #_YEARS Month ---------------------------------- Jan 37.1 197826 30 Feb 29.5 197621 30 Mar 50.3 197602 30 Apr 53.8 196721 30 May 52.3 198930 30 Jun 59.4 196707 30 Jul 38.6 198525 30 Aug 83.3 198716 30 Sep 110.0 198611 30 Oct 42.2 197222 30 Nov 53.8 199005 30 Dec 65.5 198202 30 Annual NA NA NA Ann-NCDC NA NA NA ---------------------------------- Element 09: Snowfall (cm) MEDIAN (Statistic 02): Median Value MAX_DLY (Statistic 11): Maximum Daily Value DATEMAX (Statistic 12): Date (Year/Day) of Occurrence of Maximum Daily Value MEANMLY (Statistic 15): Mean Monthly Value QUAR25% (Statistic 58): First Quartile QUAR75% (Statistic 59): Third Quartile #_YEARS (Statistic 98): Number of Years used to Calculate Normal ------------------------------------------------------------------ byr: 1961 1961 1961 1961 1961 1961 1961 eyr: 1990 1990 1990 1990 1990 1990 1990 Statistic: MEDIAN MAX_DLY DATEMAX MEANMLY QUAR25% QUAR75% #_YEARS Month ------------------------------------------------------------------ Jan 84.6 55.9 198210 97.3 60.2 149.6 30 Feb 49.5 36.1 196501 48.8 27.9 63.5 30 Mar 25.7 23.1 197026 31.2 18.3 35.8 30 Apr 5.3 30.5 198205 9.4 1.3 14.7 30 May .0 Trace 199010 Trace .0 .0 30 Jun .0 .0 199030 .0 .0 .0 30 Jul .0 .0 199031 .0 .0 .0 30 Aug .0 .0 199031 .0 .0 .0 30 Sep .0 .0 199030 .0 .0 .0 30 Oct Trace 11.9 196727 1.8 .0 .5 30 Nov 17.8 22.1 196420 22.1 10.9 33.3 30 Dec 63.5 37.6 196317 77.7 45.0 93.7 30 Annual NA NA NA 288.3 NA NA NA Ann-NCDC NA NA NA NA NA NA NA ------------------------------------------------------------------ Element 11: Relative Humidity (%) MN01LST (Statistic 71): Mean of Observations at 0100 LST MN04LST (Statistic 74): Mean of Observations at 0400 LST MN07LST (Statistic 77): Mean of Observations at 0700 LST MN10LST (Statistic 80): Mean of Observations at 1000 LST MN13LST (Statistic 83): Mean of Observations at 1300 LST MN16LST (Statistic 86): Mean of Observations at 1600 LST MN19LST (Statistic 89): Mean of Observations at 1900 LST MN22LST (Statistic 92): Mean of Observations at 2200 LST MN3HRLY (Statistic 94): Mean of 3-Hourly Observations ---------------------------------------------------------------------------------- byr: 1961 1961 1961 1961 1961 1961 1961 1961 1961 eyr: 1990 1990 1990 1990 1990 1990 1990 1990 1990 Statistic: MN01LST MN04LST MN07LST MN10LST MN13LST MN16LST MN19LST MN22LST MN3HRLY Month ---------------------------------------------------------------------------------- Jan 79.7 79.9 80.5 79.0 75.1 74.6 77.3 78.5 78.1 Feb 77.8 79.0 80.0 76.8 70.0 68.9 73.1 76.2 75.2 Mar 75.3 77.6 79.0 71.2 63.5 62.2 67.0 72.7 71.1 Apr 71.8 75.3 76.6 62.6 56.5 54.6 58.1 67.9 65.4 May 72.6 76.9 75.4 59.3 54.0 52.0 55.1 67.7 64.1 Jun 77.7 82.3 79.8 63.7 57.2 54.8 58.4 72.6 68.2 Jul 81.2 85.5 83.6 65.1 58.4 55.8 59.9 75.2 70.6 Aug 84.8 88.2 88.5 69.3 61.4 59.3 65.4 80.0 74.5 Sep 84.3 86.9 88.3 72.4 63.4 62.3 71.8 81.9 76.4 Oct 79.3 81.9 83.0 73.0 64.3 62.7 72.2 76.9 74.3 Nov 77.6 78.8 79.6 75.7 69.5 68.8 73.5 76.0 74.9 Dec 79.9 80.4 81.0 79.8 75.9 75.2 77.8 78.8 78.6 Annual 78.6 81.1 81.3 70.6 64.1 62.6 67.4 75.3 72.8 Ann-NCDC 78.5 81.1 81.3 70.7 64.1 62.6 67.5 75.4 72.6 ---------------------------------------------------------------------------------- Element 11: Relative Humidity (%) Statistic 98: Number of Years used to Calculate Normal Qualifier: 71: Mean of Observations at 0100 LST Qualifier: 74: Mean of Observations at 0400 LST Qualifier: 77: Mean of Observations at 0700 LST Qualifier: 80: Mean of Observations at 1000 LST Qualifier: 83: Mean of Observations at 1300 LST Qualifier: 86: Mean of Observations at 1600 LST Qualifier: 89: Mean of Observations at 1900 LST Qualifier: 92: Mean of Observations at 2200 LST Qualifier: 94: Mean of 3-Hourly Observations ---------------------------------------------------------------------------------- byr: 1961 1961 1961 1961 1961 1961 1961 1961 1961 eyr: 1990 1990 1990 1990 1990 1990 1990 1990 1990 Qualifier: 71 74 77 80 83 86 89 92 94 Month ---------------------------------------------------------------------------------- Jan 29 29 30 30 30 30 30 30 29 Feb 30 30 30 30 30 30 30 30 30 Mar 30 30 30 30 30 30 30 30 30 Apr 30 30 30 30 30 30 30 30 30 May 30 30 30 30 30 30 30 30 30 Jun 29 29 30 30 30 30 30 30 29 Jul 29 29 30 30 30 30 30 30 29 Aug 28 28 30 30 30 30 30 30 28 Sep 28 28 30 30 30 30 30 30 28 Oct 28 28 30 30 30 30 30 30 28 Nov 29 29 30 30 30 30 30 30 29 Dec 29 29 30 30 30 30 30 30 29 Annual 27 27 30 30 30 30 30 30 27 Ann-NCDC NA NA NA NA NA NA NA NA NA ---------------------------------------------------------------------------------- Element 12: Sea Level Pressure (hPa) MN3HRLY (Statistic 94): Mean of 3-Hourly Observations #_YEARS (Statistic 98): Number of Years used to Calculate Normal -------------------------- byr: 1961 1961 eyr: 1990 1990 Statistic: MN3HRLY #_YEARS Month -------------------------- Jan 1017.7 29 Feb 1018.3 30 Mar 1016.3 30 Apr 1015.1 30 May 1015.1 30 Jun 1014.5 29 Jul 1015.6 29 Aug 1016.5 28 Sep 1017.4 28 Oct 1017.5 28 Nov 1016.7 29 Dec 1017.6 29 Annual 1016.5 27 Ann-NCDC 1016.5 NA -------------------------- Element 16: Wind Speed (m/sec) MN3HRLY (Statistic 94): Mean of 3-Hourly Observations ------------------ byr: 1961 eyr: 1990 Month ------------------ Jan 5.9 Feb 5.6 Mar 5.7 Apr 5.7 May 4.8 Jun 4.6 Jul 4.2 Aug 4.1 Sep 4.5 Oct 5.2 Nov 5.8 Dec 5.8 Annual 5.2 Ann-NCDC 5.2 ------------------ Element 17: Wind Direction (degrees) Statistic 38: Frequency Qualifier: 000.0 degrees 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 ---------------------------------------------------------------------------------- byr: 1961 1961 1961 1961 1961 1961 1961 1961 1961 eyr: 1990 1990 1990 1990 1990 1990 1990 1990 1990 Qualifier: 000.0 022.5 045.0 067.5 090.0 112.5 135.0 157.5 180.0 Month ---------------------------------------------------------------------------------- Jan .026 .025 .025 .037 .050 .072 .068 .045 .045 Feb .036 .040 .034 .060 .073 .065 .053 .038 .053 Mar .036 .036 .037 .053 .089 .086 .059 .035 .056 Apr .038 .036 .032 .046 .078 .076 .054 .034 .058 May .054 .033 .031 .050 .070 .071 .055 .032 .063 Jun .056 .030 .025 .035 .055 .055 .059 .036 .070 Jul .078 .032 .027 .032 .044 .045 .049 .033 .071 Aug .090 .031 .030 .037 .044 .057 .058 .043 .072 Sep .061 .035 .032 .037 .057 .081 .079 .052 .080 Oct .049 .032 .024 .036 .063 .082 .084 .052 .073 Nov .027 .036 .025 .035 .050 .064 .084 .055 .053 Dec .027 .027 .027 .040 .059 .080 .077 .051 .038 Annual NA NA NA NA NA NA NA NA NA Ann-NCDC NA NA NA NA NA NA NA NA NA ---------------------------------------------------------------------------------- Element 17: Wind Direction (degrees) Statistic 38: Frequency Qualifier: 202.5 degrees 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: 1961 1961 1961 1961 1961 1961 1961 1961 eyr: 1990 1990 1990 1990 1990 1990 1990 1990 Qualifier: 202.5 225.0 247.5 270.0 292.5 315.0 337.5 360.0 Month -------------------------------------------------------------------------- Jan .047 .060 .073 .085 .126 .093 .073 .050 Feb .055 .055 .056 .057 .088 .088 .080 .069 Mar .066 .051 .046 .050 .081 .078 .077 .063 Apr .084 .069 .053 .054 .080 .074 .064 .069 May .091 .088 .064 .065 .080 .058 .044 .051 Jun .114 .109 .075 .060 .076 .057 .038 .052 Jul .110 .106 .075 .066 .078 .061 .042 .051 Aug .101 .097 .065 .052 .069 .061 .041 .054 Sep .090 .064 .047 .047 .062 .062 .052 .064 Oct .084 .062 .052 .055 .072 .063 .064 .054 Nov .068 .065 .064 .075 .094 .074 .065 .066 Dec .047 .058 .070 .075 .109 .080 .076 .059 Annual NA NA NA NA NA NA NA NA Ann-NCDC NA NA NA NA NA NA NA NA -------------------------------------------------------------------------- Element 17: Wind Direction (degrees) PREVAIL (Statistic 41): Prevailing #_YEARS (Statistic 98): Number of Years used to Calculate Normal -------------------------- byr: 1961 1961 eyr: 1990 1990 Statistic: PREVAIL #_YEARS Month -------------------------- Jan 292.5 29 Feb 315.0 30 Mar 90.0 30 Apr 202.5 30 May 202.5 30 Jun 202.5 29 Jul 202.5 29 Aug 202.5 28 Sep 202.5 28 Oct 135.0 28 Nov 292.5 29 Dec 292.5 29 Annual 292.5 NA Ann-NCDC NA NA -------------------------- Element 51: Number Days with Thunder (count) MEANMLY (Statistic 15): Mean Monthly Value ------------------ byr: 1961 eyr: 1990 Month ------------------ Jan .2 Feb .3 Mar 1.6 Apr 3.4 May 4.3 Jun 6.5 Jul 6.2 Aug 6.8 Sep 5.2 Oct 2.4 Nov 1.0 Dec .4 Annual 38.3 Ann-NCDC 38.3 ------------------ Element 61: Number Days with Haze/Smoke (count) MEANMLY (Statistic 15): Mean Monthly Value ------------------ byr: 1961 eyr: 1990 Month ------------------ Jan 5.6 Feb 7.8 Mar 7.7 Apr 5.9 May 8.1 Jun 10.4 Jul 13.3 Aug 13.4 Sep 10.2 Oct 7.2 Nov 7.6 Dec 5.3 Annual 102.5 Ann-NCDC 102.5 ------------------ Element 63: Number Days with Blowing Dust/Sand (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 83: Number Days Maximum Temperature GE Threshold (count) Statistic 15: Mean Monthly Value Qualifier: 10.0 deg C Qualifier: 35.0 deg C -------------------------- byr: 1961 1961 eyr: 1990 1990 Qualifier: 10.0 35.0 Month -------------------------- Jan .5 .0 Feb .7 .0 Mar 6.9 .0 Apr 19.9 .0 May 29.8 .0 Jun 30.0 .0 Jul 31.0 .1 Aug 31.0 .1 Sep 29.9 .0 Oct 26.4 .0 Nov 10.0 .0 Dec 1.5 .0 Annual 217.6 .2 Ann-NCDC 217.6 0.2 -------------------------- Element 85: Number Days Minimum Temperature LE Threshold (count) Statistic 15: Mean Monthly Value Qualifier: 0.0 deg C Qualifier: 10.0 deg C -------------------------- byr: 1961 1961 eyr: 1990 1990 Qualifier: 0.0 10.0 Month -------------------------- Jan 29.2 31.0 Feb 26.2 28.0 Mar 23.8 30.8 Apr 11.1 28.2 May 1.8 22.4 Jun * 9.5 Jul .0 2.3 Aug .0 4.2 Sep .3 13.3 Oct 5.3 25.3 Nov 15.2 28.9 Dec 26.7 31.0 Annual 139.6 254.9 Ann-NCDC 139.6 254.9 -------------------------- Element 95: Number Days with Precipitation GE Threshold (count) Qualifier: 1.0 mm MEANMLY (Statistic 15): Mean Monthly Value ------------------ byr: 1961 eyr: 1990 Month ------------------ Jan 13.2 Feb 8.8 Mar 9.9 Apr 8.7 May 7.8 Jun 7.5 Jul 6.5 Aug 7.6 Sep 8.3 Oct 9.1 Nov 10.6 Dec 13.1 Annual 111.1 Ann-NCDC 111.1 ------------------ Element 97: Number Days with Freezing Rain/Drizzle (count) MEANMLY (Statistic 15): Mean Monthly Value ------------------ byr: 1961 eyr: 1990 Month ------------------ Jan .4 Feb .3 Mar .3 Apr .0 May .0 Jun .0 Jul .0 Aug .0 Sep .0 Oct .0 Nov .2 Dec .8 Annual 2.0 Ann-NCDC 2.0 ------------------ Element 98: Number Days with Blowing Snow (count) MEANMLY (Statistic 15): Mean Monthly Value ------------------ byr: 1961 eyr: 1990 Month ------------------ Jan 5.5 Feb 3.4 Mar 1.0 Apr .3 May * Jun .0 Jul .0 Aug .0 Sep .0 Oct .0 Nov .5 Dec 3.6 Annual 14.3 Ann-NCDC 14.3 ------------------ Element AA: Number Days with Rain/Drizzle (count) MEANMLY (Statistic 15): Mean Monthly Value ------------------ byr: 1961 eyr: 1990 Month ------------------ Jan 6.4 Feb 5.0 Mar 10.5 Apr 14.6 May 14.8 Jun 13.4 Jul 12.6 Aug 12.5 Sep 14.3 Oct 15.3 Nov 13.6 Dec 9.0 Annual 142.0 Ann-NCDC 142.0 ------------------ Element AB: Number Days with Snow/Hail (count) MEANMLY (Statistic 15): Mean Monthly Value ------------------ byr: 1961 eyr: 1990 Month ------------------ Jan 23.9 Feb 18.7 Mar 13.4 Apr 4.5 May .2 Jun .0 Jul .0 Aug .0 Sep .0 Oct 1.5 Nov 9.8 Dec 20.6 Annual 92.6 Ann-NCDC 92.6 ------------------ Element AC: Number Days with Fog/Mist (count) MEANMLY (Statistic 15): Mean Monthly Value ------------------ byr: 1961 eyr: 1990 Month ------------------ Jan 10.2 Feb 9.8 Mar 12.0 Apr 10.1 May 10.4 Jun 11.0 Jul 11.6 Aug 14.5 Sep 13.9 Oct 12.7 Nov 12.7 Dec 11.8 Annual 140.7 Ann-NCDC 140.7 ------------------ Element AD: Number Days with Weather Phenomena (count) #_YEARS (Statistic 98): Number of Years used to Calculate Normal ------------------ byr: 1961 eyr: 1990 Month ------------------ Jan 30 Feb 30 Mar 30 Apr 30 May 30 Jun 30 Jul 30 Aug 30 Sep 30 Oct 30 Nov 30 Dec 30 Annual NA Ann-NCDC NA ------------------