Station Name: COLUMBUS, GA WMO Station Number: National I.D. Number: 00092166 Country: UNITED STATES OF AMERICA WMO Region: REGION IV - NORTH & CENTRAL AMERICA Latitude: 32d 31m N Longitude: 084d 57m W Elevation: 136 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 7.6 30 Feb 9.6 30 Mar 14.0 30 Apr 18.2 30 May 22.4 30 Jun 26.4 30 Jul 27.7 30 Aug 27.4 30 Sep 24.7 30 Oct 18.9 30 Nov 13.7 30 Dec 9.2 30 Annual 18.3 30 Ann-NCDC 18.3 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 13.4 27.8 199019 30 Feb 16.1 28.3 196213 30 Mar 20.6 31.7 198218 30 Apr 25.2 33.9 198627 30 May 28.7 36.1 196228 30 Jun 32.4 40.0 197829 30 Jul 33.2 40.0 198631 30 Aug 32.9 39.4 198601 30 Sep 30.1 37.8 199007 30 Oct 25.3 33.9 198602 30 Nov 20.1 30.0 196102 30 Dec 15.0 27.8 197705 30 Annual 24.4 NA NA 30 Ann-NCDC 24.4 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 1.8 -18.9 198521 30 Feb 3.1 -11.7 197311 30 Mar 7.3 -8.9 198003 30 Apr 11.2 -1.1 198701 30 May 16.1 3.9 196302 30 Jun 20.2 8.9 197201 30 Jul 22.1 15.0 196715 30 Aug 21.9 14.4 198630 30 Sep 19.1 3.3 196730 30 Oct 12.3 -1.7 197629 30 Nov 7.2 -7.2 197025 30 Dec 3.4 -15.6 196213 30 Annual 12.1 NA NA 30 Ann-NCDC 12.1 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 6.6 5.1 26 Feb 6.1 6.3 25 Mar 5.7 10.2 26 Apr 4.7 13.9 26 May 3.4 17.9 26 Jun 2.6 21.3 26 Jul 1.7 23.1 26 Aug 1.9 22.9 26 Sep 3.3 20.5 26 Oct 4.9 14.9 26 Nov 5.9 10.4 26 Dec 6.5 6.9 26 Annual 7.9 14.4 25 Ann-NCDC NA 14.4 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 8.4 1.7 26 Feb 7.9 2.4 25 Mar 7.2 6.5 26 Apr 6.1 10.3 26 May 4.4 15.3 26 Jun 3.4 19.0 26 Jul 1.9 21.4 26 Aug 2.2 21.3 26 Sep 3.9 18.6 26 Oct 5.9 12.2 26 Nov 7.2 7.5 26 Dec 8.1 3.9 26 Annual 9.2 11.7 25 Ann-NCDC NA 11.7 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 116.6 18.3 61.2 89.9 120.9 164.8 212.1 30 Feb 123.2 39.1 72.4 99.8 128.8 168.9 239.0 30 Mar 146.6 35.1 81.0 115.6 152.7 204.7 284.5 30 Apr 109.2 2.5 37.6 68.8 107.7 168.4 289.1 30 May 105.9 5.6 53.3 80.0 109.5 151.6 199.9 30 Jun 103.4 21.1 47.8 75.2 105.9 151.1 275.1 30 Jul 140.7 69.3 89.4 118.1 147.6 186.9 336.3 30 Aug 94.7 20.3 52.6 74.9 98.8 132.1 255.8 30 Sep 82.0 5.6 36.6 58.7 83.8 120.9 160.5 30 Oct 56.4 0.0 9.9 26.4 50.5 92.5 205.5 30 Nov 90.4 20.1 49.5 71.1 94.0 126.5 250.2 30 Dec 126.2 42.2 77.2 104.4 132.1 170.2 238.3 30 Annual 1295.3 NA NA NA NA NA NA 30 Ann-NCDC 1295.3 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 79.0 197825 30 Feb 140.7 198110 30 Mar 136.7 199016 30 Apr 145.8 198101 30 May 78.5 197423 30 Jun 85.3 197604 30 Jul 138.4 198903 30 Aug 135.1 197703 30 Sep 105.4 197117 30 Oct 127.0 196404 30 Nov 98.0 197704 30 Dec 84.3 196425 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 Trace 3.6 197731 .5 .0 Trace 30 Feb Trace 27.9 197309 1.3 .0 Trace 30 Mar .0 2.5 198002 * .0 .0 30 Apr .0 Trace 197107 Trace .0 .0 30 May .0 .0 199031 .0 .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 .0 .0 199031 .0 .0 .0 30 Nov .0 Trace 197523 Trace .0 .0 30 Dec .0 Trace 198923 Trace .0 Trace 30 Annual NA NA NA 1.8 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 78.5 81.0 83.0 73.7 58.9 53.3 65.3 73.3 70.8 Feb 76.1 80.1 82.8 70.0 54.3 48.6 58.0 70.4 67.5 Mar 77.4 82.4 85.5 66.7 51.6 45.9 53.9 69.9 66.6 Apr 78.5 84.1 86.7 62.3 47.3 42.9 50.8 70.5 65.3 May 82.8 87.7 87.0 64.3 50.8 48.2 56.5 75.8 69.5 Jun 82.6 87.2 87.0 66.0 52.1 50.4 59.0 75.7 69.8 Jul 86.5 90.4 90.8 71.2 57.4 56.7 66.5 80.7 75.0 Aug 86.9 90.3 91.9 72.2 57.1 55.9 67.0 80.9 75.4 Sep 85.9 89.3 91.1 72.2 57.0 54.4 68.5 80.6 75.2 Oct 83.5 87.2 88.8 66.6 51.3 47.5 67.4 78.4 71.7 Nov 82.8 85.7 87.6 71.1 54.2 50.1 69.6 78.5 72.6 Dec 81.0 83.3 84.6 74.1 58.0 53.5 69.7 77.0 72.7 Annual 81.9 85.8 87.3 69.2 54.2 50.6 62.7 76.0 71.0 Ann-NCDC 81.9 85.7 87.2 69.2 54.2 50.6 62.7 76.0 71.0 ---------------------------------------------------------------------------------- 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 26 26 30 30 30 30 30 26 26 Feb 25 25 30 30 30 30 30 26 25 Mar 26 26 30 30 30 30 30 26 26 Apr 26 26 30 30 30 30 30 26 26 May 26 26 30 30 30 30 30 26 26 Jun 26 26 30 30 30 30 30 26 26 Jul 26 26 30 30 30 30 30 26 26 Aug 26 26 30 30 30 30 30 26 26 Sep 26 26 30 30 30 30 30 26 26 Oct 26 26 30 30 30 30 30 26 26 Nov 26 26 30 30 30 30 30 26 26 Dec 26 26 30 30 30 30 30 26 26 Annual 25 25 30 30 30 30 30 26 25 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 1021.1 13 Feb 1020.0 13 Mar 1017.9 14 Apr 1016.6 14 May 1015.9 14 Jun 1016.3 14 Jul 1017.5 14 Aug 1017.1 14 Sep 1017.4 14 Oct 1019.3 14 Nov 1019.8 14 Dec 1021.7 14 Annual 1018.4 13 Ann-NCDC 1018.4 NA -------------------------- Element 16: Wind Speed (m/sec) MN3HRLY (Statistic 94): Mean of 3-Hourly Observations ------------------ byr: 1961 eyr: 1990 Month ------------------ Jan 3.2 Feb 3.4 Mar 3.4 Apr 3.1 May 2.9 Jun 2.7 Jul 2.6 Aug 2.5 Sep 2.8 Oct 2.9 Nov 2.9 Dec 3.1 Annual 3.0 Ann-NCDC 3.0 ------------------ 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 .158 .028 .046 .095 .075 .031 .018 .016 .040 Feb .148 .029 .042 .096 .070 .026 .019 .017 .051 Mar .149 .028 .042 .077 .065 .041 .035 .027 .067 Apr .172 .023 .037 .061 .059 .036 .039 .026 .066 May .162 .033 .052 .082 .076 .041 .038 .026 .065 Jun .171 .030 .053 .092 .077 .041 .038 .023 .046 Jul .180 .023 .042 .078 .069 .040 .033 .021 .053 Aug .186 .041 .069 .117 .093 .053 .038 .022 .045 Sep .169 .039 .096 .183 .112 .047 .030 .014 .026 Oct .182 .044 .085 .156 .097 .034 .020 .014 .023 Nov .199 .032 .054 .101 .083 .036 .028 .020 .045 Dec .182 .028 .044 .094 .082 .035 .023 .020 .050 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 .035 .035 .037 .059 .077 .094 .085 .071 Feb .038 .037 .045 .060 .071 .099 .084 .068 Mar .054 .050 .045 .063 .064 .074 .059 .060 Apr .055 .055 .067 .066 .058 .070 .057 .053 May .047 .052 .049 .049 .056 .069 .054 .049 Jun .045 .064 .065 .057 .042 .057 .045 .052 Jul .055 .076 .080 .069 .048 .053 .038 .040 Aug .040 .052 .045 .046 .038 .040 .036 .040 Sep .020 .023 .030 .026 .025 .046 .047 .066 Oct .016 .021 .025 .033 .043 .070 .064 .072 Nov .025 .029 .033 .048 .059 .077 .071 .063 Dec .033 .031 .035 .049 .065 .091 .076 .062 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 67.5 26 Feb 315.0 26 Mar 67.5 26 Apr 315.0 26 May 67.5 26 Jun 67.5 27 Jul 247.5 26 Aug 67.5 26 Sep 67.5 26 Oct 67.5 26 Nov 67.5 26 Dec 67.5 26 Annual 67.5 NA Ann-NCDC NA NA -------------------------- Element 51: Number Days with Thunder (count) MEANMLY (Statistic 15): Mean Monthly Value ------------------ byr: 1961 eyr: 1990 Month ------------------ Jan 1.3 Feb 2.3 Mar 4.0 Apr 4.1 May 6.2 Jun 7.7 Jul 12.1 Aug 8.4 Sep 4.0 Oct 1.0 Nov 1.2 Dec 1.5 Annual 53.8 Ann-NCDC 53.8 ------------------ Element 61: Number Days with Haze/Smoke (count) MEANMLY (Statistic 15): Mean Monthly Value ------------------ byr: 1961 eyr: 1990 Month ------------------ Jan 6.7 Feb 7.5 Mar 8.0 Apr 6.7 May 11.6 Jun 13.5 Jul 15.8 Aug 15.7 Sep 14.2 Oct 10.0 Nov 6.8 Dec 6.3 Annual 122.8 Ann-NCDC 122.8 ------------------ 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 * Nov .0 Dec .0 Annual * Ann-NCDC * ------------------ 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 22.7 .0 Feb 23.6 .0 Mar 29.9 .0 Apr 30.0 .0 May 31.0 .3 Jun 30.0 4.7 Jul 31.0 6.7 Aug 31.0 5.4 Sep 30.0 1.4 Oct 31.0 .0 Nov 29.1 .0 Dec 25.4 .0 Annual 344.7 18.5 Ann-NCDC 344.7 18.5 -------------------------- 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 14.3 28.2 Feb 9.9 24.7 Mar 3.1 22.0 Apr .1 12.6 May .0 2.6 Jun .0 .1 Jul .0 .0 Aug .0 .0 Sep .0 .7 Oct .2 11.6 Nov 4.0 20.6 Dec 11.2 26.6 Annual 42.8 149.7 Ann-NCDC 42.8 149.7 -------------------------- 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 8.9 Feb 8.3 Mar 8.9 Apr 6.3 May 7.0 Jun 8.0 Jul 10.9 Aug 8.2 Sep 6.3 Oct 4.2 Nov 6.5 Dec 7.8 Annual 91.3 Ann-NCDC 91.3 ------------------ Element 97: Number Days with Freezing Rain/Drizzle (count) MEANMLY (Statistic 15): Mean Monthly Value ------------------ byr: 1961 eyr: 1990 Month ------------------ Jan * Feb .0 Mar .0 Apr .0 May .0 Jun .0 Jul .0 Aug .0 Sep .0 Oct .0 Nov .0 Dec .0 Annual * Ann-NCDC * ------------------ Element 98: Number Days with Blowing Snow (count) MEANMLY (Statistic 15): Mean Monthly Value ------------------ byr: 1961 eyr: 1990 Month ------------------ Jan .0 Feb .0 Mar * Apr .0 May .0 Jun .0 Jul .0 Aug .0 Sep .0 Oct .0 Nov .0 Dec .0 Annual * Ann-NCDC * ------------------ Element AA: Number Days with Rain/Drizzle (count) MEANMLY (Statistic 15): Mean Monthly Value ------------------ byr: 1961 eyr: 1990 Month ------------------ Jan 13.8 Feb 11.5 Mar 13.0 Apr 9.6 May 11.0 Jun 11.5 Jul 15.8 Aug 13.2 Sep 11.1 Oct 6.5 Nov 10.7 Dec 12.1 Annual 139.8 Ann-NCDC 139.8 ------------------ Element AB: Number Days with Snow/Hail (count) MEANMLY (Statistic 15): Mean Monthly Value ------------------ byr: 1961 eyr: 1990 Month ------------------ Jan 1.4 Feb .9 Mar .2 Apr * May .0 Jun .0 Jul .0 Aug .0 Sep .0 Oct .0 Nov * Dec .7 Annual 3.2 Ann-NCDC 3.2 ------------------ Element AC: Number Days with Fog/Mist (count) MEANMLY (Statistic 15): Mean Monthly Value ------------------ byr: 1961 eyr: 1990 Month ------------------ Jan 15.1 Feb 13.0 Mar 15.1 Apr 13.0 May 16.6 Jun 16.2 Jul 20.3 Aug 20.7 Sep 17.2 Oct 14.5 Nov 14.3 Dec 15.0 Annual 191.0 Ann-NCDC 191.0 ------------------ Element AD: Number Days with Weather Phenomena (count) #_YEARS (Statistic 98): Number of Years used to Calculate Normal ------------------ byr: 1961 eyr: 1990 Month ------------------ Jan 27 Feb 27 Mar 26 Apr 26 May 26 Jun 26 Jul 26 Aug 26 Sep 26 Oct 26 Nov 26 Dec 27 Annual NA Ann-NCDC NA ------------------