Station Name: LAKE CHARLES/WSO AP LA WMO Station Number: 72240 National I.D. Number: 00165078 Country: UNITED STATES OF AMERICA WMO Region: REGION IV - NORTH & CENTRAL AMERICA Latitude: 30d 07m N Longitude: 093d 13m W Elevation: 5 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 10.2 30 Feb 12.1 30 Mar 15.9 30 Apr 20.2 30 May 23.8 30 Jun 26.8 30 Jul 27.9 30 Aug 27.7 30 Sep 25.4 30 Oct 20.6 30 Nov 15.8 30 Dec 11.9 30 Annual 19.9 30 Ann-NCDC 19.9 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 15.4 27.8 198903 30 Feb 17.4 28.3 197226 30 Mar 21.5 30.0 197412 30 Apr 25.5 35.0 198728 30 May 28.9 35.6 198928 30 Jun 31.7 37.2 199019 30 Jul 32.7 38.9 198017 30 Aug 32.7 39.4 196208 30 Sep 30.4 36.7 198713 30 Oct 26.8 33.3 199001 30 Nov 21.6 30.6 198908 30 Dec 17.4 27.8 197807 30 Annual 25.2 NA NA 30 Ann-NCDC 25.2 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 5.1 -9.4 198521 30 Feb 6.7 -5.6 198111 30 Mar 10.4 -3.9 198906 30 Apr 14.8 1.1 197107 30 May 18.7 9.4 197804 30 Jun 22.0 13.3 198401 30 Jul 23.1 16.1 196715 30 Aug 22.8 16.1 199009 30 Sep 20.3 8.3 196729 30 Oct 14.4 .0 198920 30 Nov 10.0 -5.0 197630 30 Dec 6.4 -11.7 198923 30 Annual 14.6 NA NA 30 Ann-NCDC 14.6 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 8.2 29 Feb 6.0 9.5 29 Mar 5.4 13.1 29 Apr 4.4 17.1 29 May 3.0 20.4 29 Jun 2.3 23.2 29 Jul 1.6 24.3 29 Aug 1.9 24.1 29 Sep 3.3 21.9 29 Oct 4.9 17.1 29 Nov 5.9 13.1 30 Dec 6.6 9.8 30 Annual 7.4 16.8 29 Ann-NCDC NA 16.8 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 7.9 5.9 29 Feb 7.3 7.1 29 Mar 6.8 10.8 29 Apr 5.6 15.1 29 May 3.6 18.8 29 Jun 2.7 21.8 29 Jul 1.6 23.1 29 Aug 2.0 22.8 29 Sep 3.8 20.6 29 Oct 5.9 15.0 29 Nov 7.1 11.0 30 Dec 7.9 7.7 30 Annual 8.3 15.0 29 Ann-NCDC NA 15.0 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 114.8 19.8 58.2 87.1 118.9 164.6 322.3 30 Feb 91.2 15.7 43.2 67.1 93.7 132.3 196.9 30 Mar 83.6 6.9 35.3 58.2 84.8 124.7 228.9 30 Apr 84.6 11.9 28.4 52.8 83.1 130.8 278.1 30 May 144.0 8.6 56.6 97.0 144.8 217.2 526.0 30 Jun 126.0 21.3 55.1 89.2 128.3 186.4 366.3 30 Jul 132.1 12.2 60.5 95.5 135.4 193.8 335.0 30 Aug 135.4 19.6 62.7 98.3 138.7 197.9 440.9 30 Sep 144.5 10.9 63.2 102.4 147.3 213.6 507.0 30 Oct 100.3 0.0 22.6 52.8 93.7 162.3 438.9 30 Nov 108.2 2.8 43.4 73.7 109.2 162.8 357.9 30 Dec 128.3 52.6 73.4 102.9 133.9 177.0 337.1 30 Annual 1393.0 NA NA NA NA NA NA 30 Ann-NCDC 1393.0 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 90.4 197419 29 Feb 80.3 196318 29 Mar 91.4 198717 29 Apr 139.7 197317 29 May 398.0 198016 29 Jun 175.8 198927 29 Jul 161.5 197925 29 Aug 259.6 196229 29 Sep 244.9 197920 29 Oct 182.9 197027 29 Nov 254.0 196113 30 Dec 149.6 196709 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 .0 10.2 197311 .5 .0 Trace 29 Feb .0 4.1 198807 .3 .0 Trace 29 Mar .0 Trace 196822 Trace .0 .0 29 Apr .0 .0 199030 .0 .0 .0 29 May .0 .0 199031 .0 .0 .0 29 Jun .0 .0 199030 .0 .0 .0 29 Jul .0 .0 199031 .0 .0 .0 29 Aug .0 .0 199031 .0 .0 .0 29 Sep .0 .0 199030 .0 .0 .0 29 Oct .0 .0 199031 .0 .0 .0 29 Nov .0 Trace 197629 Trace .0 .0 30 Dec .0 .5 198922 * .0 .0 30 Annual NA NA NA .8 NA NA NA Ann-NCDC NA NA NA NA NA NA NA ------------------------------------------------------------------ Element 11: Relative Humidity (%) MN00LST (Statistic 70): Mean of Observations at 0000 LST MN03LST (Statistic 73): Mean of Observations at 0300 LST MN06LST (Statistic 76): Mean of Observations at 0600 LST MN09LST (Statistic 79): Mean of Observations at 0900 LST MN12LST (Statistic 82): Mean of Observations at 1200 LST MN15LST (Statistic 85): Mean of Observations at 1500 LST MN18LST (Statistic 88): Mean of Observations at 1800 LST MN21LST (Statistic 91): Mean of Observations at 2100 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: MN00LST MN03LST MN06LST MN09LST MN12LST MN15LST MN18LST MN21LST MN3HRLY Month ---------------------------------------------------------------------------------- Jan 85.2 86.1 86.7 82.3 67.9 63.3 75.2 83.3 78.8 Feb 84.7 86.5 87.0 79.5 63.4 59.3 69.6 82.4 76.5 Mar 86.5 87.8 88.6 77.2 61.7 58.5 67.9 82.6 76.3 Apr 87.6 89.6 90.4 73.3 60.1 58.3 66.1 83.2 76.1 May 89.7 91.9 92.3 72.3 61.1 59.2 66.9 84.8 77.3 Jun 90.5 92.6 92.8 72.7 62.2 61.2 68.0 85.8 78.2 Jul 91.6 93.6 94.1 75.8 64.0 63.4 71.3 87.2 80.1 Aug 91.5 93.0 93.7 76.2 63.2 62.0 71.5 87.6 79.8 Sep 90.4 92.0 92.8 77.2 62.2 60.4 73.0 86.9 79.4 Oct 88.6 89.9 90.6 74.4 55.3 52.1 71.2 85.1 75.9 Nov 86.9 88.3 88.8 78.6 60.1 56.9 74.7 84.2 77.3 Dec 86.2 87.1 88.1 81.9 65.7 62.1 76.5 84.1 79.0 Annual 88.3 89.9 90.5 76.8 62.2 59.7 71.0 84.8 77.9 Ann-NCDC 88.3 89.9 90.5 76.8 62.2 59.7 71.0 84.8 77.9 ---------------------------------------------------------------------------------- Element 11: Relative Humidity (%) Statistic 98: Number of Years used to Calculate Normal Qualifier: 70: Mean of Observations at 0000 LST Qualifier: 73: Mean of Observations at 0300 LST Qualifier: 76: Mean of Observations at 0600 LST Qualifier: 79: Mean of Observations at 0900 LST Qualifier: 82: Mean of Observations at 1200 LST Qualifier: 85: Mean of Observations at 1500 LST Qualifier: 88: Mean of Observations at 1800 LST Qualifier: 91: Mean of Observations at 2100 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: 70 73 76 79 82 85 88 91 94 Month ---------------------------------------------------------------------------------- Jan 29 29 29 29 29 29 29 29 29 Feb 29 29 29 29 29 29 29 29 29 Mar 29 29 29 29 29 29 29 29 29 Apr 29 29 29 29 29 29 29 29 29 May 29 29 29 29 29 29 29 29 29 Jun 29 29 29 29 29 29 29 29 29 Jul 29 29 29 29 29 29 29 29 29 Aug 29 29 29 29 29 29 29 29 29 Sep 29 29 29 29 29 29 29 29 29 Oct 29 29 29 29 29 29 29 29 29 Nov 30 30 30 30 30 30 30 30 30 Dec 30 30 30 30 30 30 30 30 30 Annual 29 29 29 29 29 29 29 29 29 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 1021.0 29 Feb 1019.5 29 Mar 1017.0 29 Apr 1015.9 29 May 1014.8 29 Jun 1015.1 29 Jul 1016.6 29 Aug 1016.0 29 Sep 1015.5 29 Oct 1018.0 29 Nov 1019.1 30 Dec 1020.4 30 Annual 1017.4 29 Ann-NCDC 1017.4 NA -------------------------- Element 16: Wind Speed (m/sec) MN3HRLY (Statistic 94): Mean of 3-Hourly Observations ------------------ byr: 1961 eyr: 1990 Month ------------------ Jan 4.7 Feb 4.8 Mar 4.9 Apr 4.7 May 4.2 Jun 3.6 Jul 3.0 Aug 2.9 Sep 3.3 Oct 3.6 Nov 4.2 Dec 4.5 Annual 4.0 Ann-NCDC 4.0 ------------------ 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 .047 .090 .090 .085 .058 .066 .082 .058 .081 Feb .041 .066 .080 .087 .059 .058 .069 .064 .101 Mar .040 .044 .058 .069 .053 .060 .102 .104 .131 Apr .043 .041 .055 .064 .045 .050 .101 .135 .168 May .057 .037 .054 .071 .057 .052 .102 .130 .152 Jun .078 .035 .061 .073 .059 .058 .067 .094 .155 Jul .117 .024 .052 .064 .055 .050 .058 .057 .108 Aug .125 .039 .082 .102 .071 .062 .058 .051 .092 Sep .081 .085 .133 .135 .096 .070 .069 .048 .065 Oct .082 .092 .114 .099 .075 .068 .083 .052 .064 Nov .058 .075 .085 .076 .061 .075 .098 .068 .079 Dec .048 .071 .082 .093 .059 .069 .097 .071 .078 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 .044 .032 .019 .020 .020 .038 .060 .110 Feb .053 .039 .023 .025 .027 .041 .062 .102 Mar .067 .047 .021 .018 .025 .045 .049 .068 Apr .080 .042 .018 .023 .020 .035 .025 .054 May .078 .049 .019 .020 .019 .027 .029 .048 Jun .104 .073 .027 .025 .017 .020 .017 .036 Jul .102 .095 .047 .048 .041 .035 .020 .027 Aug .076 .060 .036 .033 .028 .025 .020 .039 Sep .040 .024 .009 .014 .011 .018 .028 .075 Oct .036 .024 .012 .013 .015 .026 .048 .097 Nov .038 .026 .012 .017 .019 .042 .064 .108 Dec .038 .027 .018 .019 .023 .037 .063 .108 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 360.0 29 Feb 360.0 29 Mar 180.0 29 Apr 180.0 29 May 180.0 29 Jun 180.0 29 Jul 180.0 29 Aug 67.5 29 Sep 67.5 29 Oct 45.0 29 Nov 360.0 30 Dec 360.0 30 Annual 180.0 NA Ann-NCDC NA NA -------------------------- Element 51: Number Days with Thunder (count) MEANMLY (Statistic 15): Mean Monthly Value ------------------ byr: 1961 eyr: 1990 Month ------------------ Jan 2.9 Feb 2.7 Mar 4.3 Apr 4.0 May 7.2 Jun 9.4 Jul 14.1 Aug 13.6 Sep 8.7 Oct 3.1 Nov 2.9 Dec 2.9 Annual 75.8 Ann-NCDC 75.8 ------------------ Element 61: Number Days with Haze/Smoke (count) MEANMLY (Statistic 15): Mean Monthly Value ------------------ byr: 1961 eyr: 1990 Month ------------------ Jan 6.6 Feb 6.2 Mar 7.3 Apr 6.9 May 10.8 Jun 8.0 Jul 9.2 Aug 11.6 Sep 11.4 Oct 10.5 Nov 8.6 Dec 6.0 Annual 103.1 Ann-NCDC 103.1 ------------------ 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 * Jun .0 Jul .0 Aug .0 Sep * Oct .1 Nov .0 Dec * Annual .1 Ann-NCDC 0.1 ------------------ 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 24.7 .0 Feb 25.3 .0 Mar 30.5 .0 Apr 30.0 * May 31.0 .1 Jun 30.0 1.2 Jul 31.0 3.6 Aug 31.0 3.3 Sep 30.0 .5 Oct 31.0 .0 Nov 29.5 .0 Dec 27.6 .0 Annual 351.6 8.7 Ann-NCDC 351.6 8.7 -------------------------- 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 6.3 24.5 Feb 3.2 21.4 Mar .7 16.1 Apr .0 4.9 May .0 .2 Jun .0 .0 Jul .0 .0 Aug .0 .0 Sep .0 .2 Oct * 6.9 Nov .8 15.6 Dec 4.1 22.9 Annual 15.1 112.7 Ann-NCDC 15.1 112.7 -------------------------- 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 8.0 Feb 6.4 Mar 6.4 Apr 5.0 May 6.6 Jun 7.1 Jul 9.1 Aug 9.0 Sep 7.9 Oct 5.0 Nov 6.5 Dec 7.5 Annual 84.5 Ann-NCDC 84.5 ------------------ Element 97: Number Days with Freezing Rain/Drizzle (count) MEANMLY (Statistic 15): Mean Monthly Value ------------------ byr: 1961 eyr: 1990 Month ------------------ Jan .1 Feb .1 Mar .0 Apr .0 May .0 Jun .0 Jul .0 Aug .0 Sep .0 Oct .0 Nov .0 Dec .1 Annual .3 Ann-NCDC 0.3 ------------------ Element 98: Number Days with Blowing Snow (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 AA: Number Days with Rain/Drizzle (count) MEANMLY (Statistic 15): Mean Monthly Value ------------------ byr: 1961 eyr: 1990 Month ------------------ Jan 14.3 Feb 12.1 Mar 13.7 Apr 11.3 May 11.2 Jun 12.1 Jul 15.6 Aug 14.6 Sep 12.9 Oct 8.4 Nov 10.6 Dec 13.6 Annual 150.4 Ann-NCDC 150.4 ------------------ Element AB: Number Days with Snow/Hail (count) MEANMLY (Statistic 15): Mean Monthly Value ------------------ byr: 1961 eyr: 1990 Month ------------------ Jan 1.1 Feb .6 Mar .1 Apr .0 May .0 Jun .0 Jul .0 Aug .0 Sep .0 Oct .0 Nov .1 Dec .2 Annual 2.1 Ann-NCDC 2.1 ------------------ Element AC: Number Days with Fog/Mist (count) MEANMLY (Statistic 15): Mean Monthly Value ------------------ byr: 1961 eyr: 1990 Month ------------------ Jan 18.3 Feb 15.9 Mar 18.1 Apr 16.7 May 17.6 Jun 12.4 Jul 11.7 Aug 15.7 Sep 17.6 Oct 17.9 Nov 16.1 Dec 17.7 Annual 195.7 Ann-NCDC 195.7 ------------------ Element AD: Number Days with Weather Phenomena (count) #_YEARS (Statistic 98): Number of Years used to Calculate Normal ------------------ byr: 1961 eyr: 1990 Month ------------------ Jan 29 Feb 29 Mar 29 Apr 29 May 29 Jun 29 Jul 29 Aug 29 Sep 29 Oct 29 Nov 30 Dec 30 Annual NA Ann-NCDC NA ------------------