Station Name: MIDLAND/WSO AP TX WMO Station Number: 72265 National I.D. Number: 00415890 Country: UNITED STATES OF AMERICA WMO Region: REGION IV - NORTH & CENTRAL AMERICA Latitude: 31d 56m N Longitude: 102d 12m W Elevation: 875 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 5.8 30 Feb 8.4 30 Mar 13.2 30 Apr 18.1 30 May 22.7 30 Jun 26.4 30 Jul 27.8 30 Aug 27.1 30 Sep 22.9 30 Oct 17.8 30 Nov 11.4 30 Dec 7.0 30 Annual 17.4 30 Ann-NCDC 17.4 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 13.6 28.9 197421 30 Feb 16.4 32.2 198619 30 Mar 21.8 35.0 198912 30 Apr 26.6 38.3 198921 30 May 30.8 42.2 198924 30 Jun 34.1 42.8 199025 30 Jul 35.2 44.4 198902 30 Aug 34.5 41.7 196406 30 Sep 29.7 40.6 197726 30 Oct 25.2 37.8 197908 30 Nov 19.0 31.7 198808 30 Dec 14.7 28.9 198711 30 Annual 25.1 NA NA 30 Ann-NCDC 25.1 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 -1.9 -22.2 196211 30 Feb .3 -23.9 198502 30 Mar 4.6 -12.8 198002 30 Apr 9.7 -6.7 197309 30 May 14.5 1.1 197001 30 Jun 18.7 8.3 198301 30 Jul 20.3 11.7 197823 30 Aug 19.7 12.2 198908 30 Sep 16.2 2.2 198924 30 Oct 10.3 -2.8 198919 30 Nov 3.8 -10.6 197614 30 Dec -.7 -18.3 198923 30 Annual 9.6 NA NA 30 Ann-NCDC 9.6 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 5.3 1.5 30 Feb 5.1 3.6 30 Mar 5.0 6.6 30 Apr 4.7 10.6 30 May 3.8 14.7 30 Jun 2.6 18.4 30 Jul 1.9 19.3 30 Aug 2.1 19.1 30 Sep 3.3 17.2 30 Oct 4.4 12.5 30 Nov 5.1 6.8 30 Dec 5.2 2.7 30 Annual 7.7 11.1 30 Ann-NCDC NA 11.1 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 -4.3 30 Feb 6.3 -2.6 30 Mar 7.2 -1.0 30 Apr 8.2 2.8 30 May 7.4 8.7 30 Jun 4.5 13.9 30 Jul 3.2 14.9 30 Aug 3.2 15.0 30 Sep 4.4 13.7 30 Oct 5.9 8.2 30 Nov 6.6 1.9 30 Dec 6.4 -2.9 30 Annual 9.4 5.7 30 Ann-NCDC NA 5.7 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 10.2 0.0 1.3 4.1 8.6 16.8 33.8 30 Feb 15.7 0.3 3.0 7.6 14.2 25.7 49.0 30 Mar 14.7 0.0 0.0 4.8 12.4 25.7 72.6 30 Apr 21.1 0.0 2.3 7.6 17.0 34.8 62.0 30 May 50.3 3.6 17.0 31.5 49.5 78.0 126.0 30 Jun 39.4 0.3 12.7 24.1 38.4 61.0 86.9 30 Jul 43.2 0.0 5.3 18.0 37.3 71.9 196.3 30 Aug 42.9 4.3 13.2 25.7 41.7 67.1 112.5 30 Sep 66.5 2.0 19.0 38.4 63.8 104.9 246.4 30 Oct 44.2 0.0 5.8 18.0 37.3 72.9 189.2 30 Nov 17.5 0.0 0.3 5.1 13.7 30.0 58.9 30 Dec 14.2 0.0 2.3 6.4 12.4 23.4 83.8 30 Annual 379.9 NA NA NA NA NA NA 30 Ann-NCDC 379.9 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 18.8 198320 30 Feb 31.0 196517 30 Mar 54.9 197006 30 Apr 41.1 197917 30 May 120.7 196809 30 Jun 64.5 196903 30 Jul 104.1 196121 30 Aug 61.2 196515 30 Sep 83.6 198604 30 Oct 91.2 198517 30 Nov 45.0 197804 30 Dec 31.5 197911 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 1.5 11.7 197423 4.1 Trace 6.1 30 Feb .3 6.3 196517 2.5 Trace 5.1 30 Mar Trace 12.4 197020 1.5 .0 .3 30 Apr .0 1.3 198307 * .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 Trace 198028 Trace .0 .0 30 Nov .0 14.5 198016 1.5 .0 Trace 30 Dec .3 10.9 198610 2.3 Trace 3.0 30 Annual NA NA NA 11.9 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 63.2 68.2 71.4 68.3 46.5 37.6 41.0 56.3 56.6 Feb 62.1 68.6 72.1 66.6 44.3 35.0 35.5 53.3 54.7 Mar 53.9 60.9 65.6 55.0 35.7 27.3 28.1 43.3 46.2 Apr 52.4 60.6 66.0 51.6 33.9 26.2 27.1 41.6 44.9 May 59.7 68.7 74.8 56.0 38.1 29.4 30.6 47.2 50.6 Jun 61.1 69.9 77.2 60.5 42.0 32.3 33.1 49.0 53.1 Jul 57.0 65.5 72.8 58.6 41.8 33.1 34.2 46.6 51.2 Aug 60.4 68.2 74.6 61.0 43.2 34.7 36.5 50.9 53.7 Sep 69.3 75.6 80.5 68.2 50.3 41.5 43.8 60.7 61.2 Oct 69.7 75.5 79.2 66.1 46.1 38.0 42.8 61.7 59.9 Nov 67.9 73.1 75.7 67.1 45.0 36.7 44.2 60.1 58.7 Dec 65.3 70.2 72.5 67.8 45.4 37.1 44.0 58.5 57.6 Annual 61.8 68.7 73.5 62.2 42.7 34.1 36.8 52.4 54.0 Ann-NCDC 61.8 68.7 73.5 62.2 42.7 34.1 36.7 52.4 54.0 ---------------------------------------------------------------------------------- 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 30 30 30 30 30 30 30 30 30 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 30 30 30 30 30 30 30 30 30 Jul 30 30 30 30 30 30 30 30 30 Aug 30 30 30 30 30 30 30 30 30 Sep 30 30 30 30 30 30 30 30 30 Oct 30 30 30 30 30 30 30 30 30 Nov 30 30 30 30 30 30 30 30 30 Dec 30 30 30 30 30 30 30 30 30 Annual 30 30 30 30 30 30 30 30 30 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 1018.6 30 Feb 1016.5 30 Mar 1012.9 30 Apr 1011.2 30 May 1010.1 30 Jun 1010.4 30 Jul 1012.6 30 Aug 1012.8 30 Sep 1013.6 30 Oct 1015.6 30 Nov 1016.7 30 Dec 1017.9 30 Annual 1014.1 30 Ann-NCDC 1014.1 NA -------------------------- Element 16: Wind Speed (m/sec) MN3HRLY (Statistic 94): Mean of 3-Hourly Observations ------------------ byr: 1961 eyr: 1990 Month ------------------ Jan 5.0 Feb 5.6 Mar 6.3 Apr 6.3 May 6.1 Jun 6.0 Jul 5.3 Aug 4.9 Sep 5.0 Oct 4.9 Nov 5.0 Dec 4.9 Annual 5.4 Ann-NCDC 5.4 ------------------ 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 .041 .055 .060 .055 .036 .027 .033 .054 .101 Feb .030 .053 .056 .055 .036 .032 .042 .070 .113 Mar .018 .039 .047 .047 .042 .040 .058 .097 .136 Apr .015 .038 .046 .050 .049 .051 .076 .123 .133 May .016 .033 .045 .050 .053 .059 .105 .155 .146 Jun .013 .023 .034 .048 .053 .072 .147 .236 .201 Jul .029 .019 .029 .041 .053 .079 .189 .268 .186 Aug .027 .024 .039 .053 .057 .080 .182 .214 .177 Sep .031 .046 .073 .074 .064 .065 .118 .170 .162 Oct .040 .047 .056 .050 .037 .042 .077 .142 .178 Nov .039 .053 .046 .044 .037 .034 .048 .088 .148 Dec .047 .056 .062 .043 .028 .026 .034 .064 .113 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 .082 .089 .089 .064 .043 .053 .050 .069 Feb .087 .078 .077 .063 .049 .049 .047 .063 Mar .078 .075 .085 .069 .048 .036 .035 .049 Apr .075 .059 .071 .058 .041 .035 .032 .049 May .067 .060 .056 .042 .024 .022 .027 .038 Jun .064 .031 .018 .013 .009 .010 .008 .020 Jul .047 .016 .007 .004 .004 .006 .006 .016 Aug .065 .021 .010 .007 .006 .008 .009 .020 Sep .059 .031 .019 .011 .009 .013 .016 .037 Oct .093 .057 .036 .024 .021 .025 .028 .047 Nov .096 .075 .069 .048 .036 .037 .042 .060 Dec .090 .093 .086 .056 .042 .047 .050 .065 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 180.0 27 Feb 180.0 27 Mar 180.0 27 Apr 180.0 27 May 157.5 27 Jun 157.5 27 Jul 157.5 28 Aug 157.5 27 Sep 157.5 27 Oct 180.0 27 Nov 180.0 27 Dec 180.0 27 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 .3 Feb .4 Mar 1.7 Apr 3.0 May 6.8 Jun 6.0 Jul 5.0 Aug 6.2 Sep 4.1 Oct 2.6 Nov .6 Dec .3 Annual 37.0 Ann-NCDC 37.0 ------------------ Element 61: Number Days with Haze/Smoke (count) MEANMLY (Statistic 15): Mean Monthly Value ------------------ byr: 1961 eyr: 1990 Month ------------------ Jan .4 Feb .1 Mar .1 Apr .2 May .3 Jun * Jul .1 Aug .2 Sep .2 Oct .3 Nov .2 Dec .2 Annual 2.3 Ann-NCDC 2.3 ------------------ Element 63: Number Days with Blowing Dust/Sand (count) MEANMLY (Statistic 15): Mean Monthly Value ------------------ byr: 1961 eyr: 1990 Month ------------------ Jan .5 Feb .4 Mar .9 Apr .7 May .7 Jun .3 Jul .1 Aug .1 Sep .1 Oct .1 Nov .2 Dec .2 Annual 4.3 Ann-NCDC 4.3 ------------------ 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 22.2 .0 Feb 23.0 .0 Mar 29.3 .1 Apr 29.6 .7 May 31.0 4.9 Jun 30.0 11.8 Jul 31.0 16.8 Aug 31.0 13.4 Sep 30.0 3.8 Oct 30.7 .2 Nov 27.2 .0 Dec 24.1 .0 Annual 339.1 51.7 Ann-NCDC 339.1 51.7 -------------------------- 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 20.4 30.8 Feb 13.4 27.3 Mar 5.7 27.0 Apr .7 15.9 May .0 3.9 Jun .0 .2 Jul .0 .0 Aug .0 .0 Sep .0 1.9 Oct .1 14.7 Nov 6.3 26.9 Dec 17.7 30.6 Annual 64.3 179.2 Ann-NCDC 64.3 179.2 -------------------------- 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 2.1 Feb 2.7 Mar 2.0 Apr 2.3 May 4.2 Jun 3.8 Jul 3.7 Aug 4.7 Sep 5.2 Oct 3.4 Nov 2.1 Dec 2.4 Annual 38.6 Ann-NCDC 38.6 ------------------ Element 97: Number Days with Freezing Rain/Drizzle (count) MEANMLY (Statistic 15): Mean Monthly Value ------------------ byr: 1961 eyr: 1990 Month ------------------ Jan .4 Feb .1 Mar .1 Apr .0 May .0 Jun .0 Jul .0 Aug .0 Sep .0 Oct .0 Nov * Dec .5 Annual 1.1 Ann-NCDC 1.1 ------------------ Element 98: Number Days with Blowing Snow (count) MEANMLY (Statistic 15): Mean Monthly Value ------------------ byr: 1961 eyr: 1990 Month ------------------ Jan .1 Feb .1 Mar * Apr .0 May .0 Jun .0 Jul .0 Aug .0 Sep .0 Oct .0 Nov .0 Dec * Annual .2 Ann-NCDC 0.2 ------------------ Element AA: Number Days with Rain/Drizzle (count) MEANMLY (Statistic 15): Mean Monthly Value ------------------ byr: 1961 eyr: 1990 Month ------------------ Jan 5.7 Feb 6.0 Mar 5.4 Apr 6.0 May 9.3 Jun 9.1 Jul 8.1 Aug 9.8 Sep 9.8 Oct 7.9 Nov 5.8 Dec 6.6 Annual 89.5 Ann-NCDC 89.5 ------------------ Element AB: Number Days with Snow/Hail (count) MEANMLY (Statistic 15): Mean Monthly Value ------------------ byr: 1961 eyr: 1990 Month ------------------ Jan 4.4 Feb 2.8 Mar 1.1 Apr .2 May .0 Jun .0 Jul .0 Aug .0 Sep .0 Oct * Nov .8 Dec 3.5 Annual 12.8 Ann-NCDC 12.8 ------------------ Element AC: Number Days with Fog/Mist (count) MEANMLY (Statistic 15): Mean Monthly Value ------------------ byr: 1961 eyr: 1990 Month ------------------ Jan 7.0 Feb 6.7 Mar 3.9 Apr 3.3 May 3.2 Jun 1.5 Jul .8 Aug 1.4 Sep 5.2 Oct 5.9 Nov 6.9 Dec 7.1 Annual 52.9 Ann-NCDC 52.9 ------------------ 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 ------------------