Station Name: YAKIMA/YAKIMA AIR TERMINAL, WA WMO Station Number: 72781 National I.D. Number: 00459465 Country: UNITED STATES OF AMERICA WMO Region: REGION IV - NORTH & CENTRAL AMERICA Latitude: 46d 34m N Longitude: 120d 32m W Elevation: 324 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 -1.3 30 Feb 2.4 30 Mar 6.1 30 Apr 9.7 30 May 13.9 30 Jun 18.1 30 Jul 21.1 30 Aug 20.6 30 Sep 15.9 30 Oct 9.9 30 Nov 3.7 30 Dec -1.2 30 Annual 9.9 30 Ann-NCDC 9.9 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 3.1 20.0 197718 30 Feb 8.0 20.0 198821 30 Mar 12.9 24.4 196629 30 Apr 17.3 33.3 197724 30 May 22.0 38.9 198630 30 Jun 26.6 39.4 196116 30 Jul 30.4 42.2 197131 30 Aug 29.8 43.3 197110 30 Sep 24.9 37.8 198803 30 Oct 18.0 30.6 198801 30 Nov 9.1 22.8 198910 30 Dec 3.1 19.4 198026 30 Annual 17.1 NA NA 30 Ann-NCDC 17.1 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 -5.7 -26.1 197409 30 Feb -3.1 -23.3 197902 30 Mar -.7 -11.1 198903 30 Apr 1.9 -6.7 198521 30 May 5.7 -3.3 198801 30 Jun 9.6 -1.1 198401 30 Jul 11.7 1.1 197107 30 Aug 11.3 2.2 198029 30 Sep 7.0 -4.4 198529 30 Oct 1.8 -11.7 197129 30 Nov -1.7 -25.0 198523 30 Dec -5.5 -27.2 196417 30 Annual 2.7 NA NA 30 Ann-NCDC 2.7 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 5.3 -2.6 29 Feb 4.3 .4 29 Mar 3.9 2.9 29 Apr 3.8 5.4 30 May 3.8 8.7 30 Jun 3.5 12.0 28 Jul 3.4 14.1 28 Aug 3.3 13.9 29 Sep 4.1 10.5 28 Oct 4.6 5.8 29 Nov 4.7 1.7 30 Dec 5.1 -2.3 30 Annual 7.1 5.9 27 Ann-NCDC NA 5.9 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 6.0 -5.1 29 Feb 4.6 -2.6 29 Mar 4.2 -1.8 29 Apr 4.2 -.6 30 May 4.1 2.6 30 Jun 3.6 5.9 28 Jul 3.4 7.8 28 Aug 3.3 8.3 29 Sep 4.0 5.7 28 Oct 4.3 1.7 29 Nov 4.9 -1.1 30 Dec 5.8 -4.5 30 Annual 6.4 1.4 27 Ann-NCDC NA 1.4 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 30.7 2.3 10.2 19.0 30.2 47.5 93.0 30 Feb 18.8 0.0 4.1 11.2 19.0 31.0 62.5 30 Mar 17.0 0.3 4.1 9.1 15.7 26.9 51.8 30 Apr 12.7 0.0 1.3 5.3 11.2 21.3 41.1 30 May 11.4 0.8 3.0 6.4 10.7 17.8 28.7 30 Jun 13.5 0.3 2.3 6.1 11.7 21.8 43.2 30 Jul 4.1 0.0 0.0 1.5 3.6 7.1 18.0 30 Aug 10.2 0.0 0.0 2.3 7.4 17.3 53.3 30 Sep 10.2 0.0 1.0 4.1 8.6 16.8 52.6 30 Oct 11.9 0.0 2.5 6.1 10.9 19.3 38.6 30 Nov 26.2 0.0 9.9 18.0 27.2 40.1 71.9 30 Dec 35.8 1.8 11.9 22.4 35.3 55.6 106.4 30 Annual 202.5 NA NA NA NA NA NA 30 Ann-NCDC 202.5 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 34.5 196331 30 Feb 22.1 196101 30 Mar 18.5 198715 30 Apr 27.9 197424 30 May 16.8 198606 30 Jun 28.2 198229 30 Jul 16.8 196307 30 Aug 41.7 199021 30 Sep 34.5 198615 30 Oct 25.7 198228 30 Nov 25.7 198310 30 Dec 34.8 198709 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 17.5 34.5 196331 19.6 5.6 30.7 30 Feb 3.3 10.2 197627 6.9 Trace 9.1 30 Mar Trace 10.7 196105 3.3 Trace 4.3 30 Apr .0 Trace 198310 Trace .0 Trace 30 May .0 Trace 198610 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 .0 6.1 197331 .3 .0 .0 30 Nov 1.3 28.2 198427 5.6 Trace 7.4 30 Dec 21.1 34.5 196421 24.1 11.9 35.6 30 Annual NA NA NA 59.8 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 81.4 81.9 82.5 78.4 68.7 69.6 78.4 80.6 77.7 Feb 80.6 82.0 82.9 71.4 58.1 57.1 71.7 77.8 72.7 Mar 73.1 76.1 77.2 54.7 42.1 40.5 55.7 67.1 60.6 Apr 65.6 70.7 64.7 42.6 33.9 33.4 44.6 57.6 51.6 May 63.2 69.6 56.4 39.1 31.5 30.6 40.3 54.8 48.2 Jun 61.2 69.0 54.0 38.5 30.7 29.6 37.9 53.0 46.8 Jul 58.5 67.4 53.7 36.1 27.4 25.6 35.8 50.6 44.3 Aug 61.5 69.9 61.0 39.6 29.2 27.8 43.5 54.6 48.2 Sep 70.3 75.2 71.4 44.8 32.7 32.0 56.7 63.7 55.6 Oct 75.8 78.7 79.0 54.6 40.7 40.7 65.8 71.7 63.4 Nov 81.6 82.4 82.6 73.0 60.2 61.6 75.3 79.5 74.5 Dec 83.1 83.6 83.5 79.9 71.4 73.9 80.7 82.1 79.8 Annual 71.3 75.3 70.7 54.3 43.8 43.5 57.1 66.2 60.2 Ann-NCDC 71.3 75.5 70.7 54.4 43.9 43.5 57.2 66.1 60.3 ---------------------------------------------------------------------------------- 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 29 29 30 30 30 30 30 30 29 Mar 29 29 30 30 30 30 30 30 29 Apr 30 30 30 30 30 30 30 30 30 May 30 30 30 30 30 30 30 30 30 Jun 28 30 30 30 30 30 30 29 28 Jul 28 30 30 30 30 30 30 29 28 Aug 29 30 30 30 30 30 30 30 29 Sep 28 30 30 30 30 30 30 29 28 Oct 29 30 30 30 30 30 30 29 29 Nov 30 30 30 30 30 30 30 30 30 Dec 30 30 30 30 30 30 30 30 30 Annual 27 29 30 30 30 30 30 28 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 1021.0 29 Feb 1019.0 29 Mar 1016.3 29 Apr 1016.2 30 May 1015.1 30 Jun 1013.9 28 Jul 1014.1 28 Aug 1013.7 29 Sep 1015.8 28 Oct 1018.5 29 Nov 1018.7 30 Dec 1020.8 30 Annual 1016.8 27 Ann-NCDC 1016.9 NA -------------------------- Element 16: Wind Speed (m/sec) MN3HRLY (Statistic 94): Mean of 3-Hourly Observations ------------------ byr: 1961 eyr: 1990 Month ------------------ Jan 2.7 Feb 3.1 Mar 3.8 Apr 4.0 May 4.0 Jun 3.9 Jul 3.7 Aug 3.5 Sep 3.5 Oct 3.1 Nov 2.9 Dec 2.6 Annual 3.4 Ann-NCDC 3.4 ------------------ 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 .137 .023 .027 .030 .038 .030 .027 .022 .029 Feb .100 .023 .027 .027 .033 .029 .026 .027 .035 Mar .053 .028 .029 .026 .032 .031 .034 .030 .049 Apr .045 .025 .024 .025 .029 .030 .035 .028 .045 May .034 .027 .024 .023 .028 .031 .030 .027 .037 Jun .034 .027 .022 .023 .033 .034 .032 .025 .036 Jul .032 .020 .019 .025 .033 .032 .033 .022 .036 Aug .038 .020 .020 .025 .042 .036 .034 .023 .032 Sep .040 .019 .021 .024 .037 .035 .027 .023 .037 Oct .081 .019 .021 .025 .034 .030 .033 .028 .037 Nov .132 .024 .025 .028 .035 .036 .032 .026 .040 Dec .160 .022 .025 .027 .035 .030 .026 .019 .031 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 .028 .054 .141 .156 .129 .062 .032 .035 Feb .034 .049 .142 .171 .139 .070 .035 .034 Mar .044 .052 .109 .163 .155 .081 .047 .038 Apr .044 .056 .110 .163 .135 .097 .067 .042 May .036 .046 .106 .151 .128 .125 .092 .056 Jun .029 .048 .102 .133 .128 .124 .111 .061 Jul .032 .043 .108 .159 .125 .110 .109 .060 Aug .027 .042 .116 .180 .135 .100 .079 .050 Sep .025 .036 .118 .205 .183 .085 .050 .034 Oct .031 .037 .100 .195 .193 .073 .036 .029 Nov .036 .043 .116 .159 .142 .062 .032 .032 Dec .030 .051 .146 .156 .125 .058 .031 .029 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 270.0 29 Feb 270.0 29 Mar 270.0 29 Apr 270.0 30 May 270.0 30 Jun 270.0 28 Jul 270.0 28 Aug 270.0 29 Sep 270.0 28 Oct 270.0 29 Nov 270.0 30 Dec 270.0 30 Annual 270.0 NA Ann-NCDC NA NA -------------------------- Element 51: Number Days with Thunder (count) MEANMLY (Statistic 15): Mean Monthly Value ------------------ byr: 1961 eyr: 1990 Month ------------------ Jan .0 Feb .0 Mar * Apr .6 May .8 Jun 1.5 Jul 1.5 Aug 1.2 Sep .6 Oct .1 Nov .0 Dec .0 Annual 6.3 Ann-NCDC 6.3 ------------------ Element 61: Number Days with Haze/Smoke (count) MEANMLY (Statistic 15): Mean Monthly Value ------------------ byr: 1961 eyr: 1990 Month ------------------ Jan 8.0 Feb 3.9 Mar .6 Apr 2.3 May 1.1 Jun .1 Jul .0 Aug .1 Sep .3 Oct 1.8 Nov 5.6 Dec 8.6 Annual 32.4 Ann-NCDC 32.4 ------------------ Element 63: Number Days with Blowing Dust/Sand (count) MEANMLY (Statistic 15): Mean Monthly Value ------------------ byr: 1961 eyr: 1990 Month ------------------ Jan * Feb .0 Mar .0 Apr * May .3 Jun .1 Jul * Aug .0 Sep .1 Oct * Nov .0 Dec .0 Annual .5 Ann-NCDC 0.5 ------------------ 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 4.3 .0 Feb 10.8 .0 Mar 25.9 .0 Apr 29.6 .0 May 31.0 .2 Jun 30.0 1.5 Jul 31.0 6.2 Aug 31.0 5.2 Sep 30.0 .3 Oct 30.4 .0 Nov 14.8 .0 Dec 3.6 .0 Annual 272.4 13.4 Ann-NCDC 272.4 13.4 -------------------------- 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 27.3 31.0 Feb 23.0 28.0 Mar 19.7 31.0 Apr 11.5 29.5 May 2.8 27.7 Jun .2 17.3 Jul .0 10.8 Aug .0 13.1 Sep 1.1 25.0 Oct 11.2 30.7 Nov 20.6 29.9 Dec 27.5 31.0 Annual 144.9 305.0 Ann-NCDC 144.9 305.0 -------------------------- 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 5.7 Feb 4.5 Mar 4.0 Apr 3.0 May 2.7 Jun 2.5 Jul 1.1 Aug 1.8 Sep 2.1 Oct 2.5 Nov 5.9 Dec 6.9 Annual 42.7 Ann-NCDC 42.7 ------------------ Element 97: Number Days with Freezing Rain/Drizzle (count) MEANMLY (Statistic 15): Mean Monthly Value ------------------ byr: 1961 eyr: 1990 Month ------------------ Jan 1.0 Feb .2 Mar * Apr .0 May .0 Jun .0 Jul .0 Aug .0 Sep .0 Oct .0 Nov .1 Dec 1.0 Annual 2.3 Ann-NCDC 2.3 ------------------ Element 98: Number Days with Blowing Snow (count) MEANMLY (Statistic 15): Mean Monthly Value ------------------ byr: 1961 eyr: 1990 Month ------------------ Jan .1 Feb * Mar .0 Apr .0 May .0 Jun .0 Jul .0 Aug .0 Sep .0 Oct .0 Nov .1 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 8.2 Feb 9.0 Mar 10.2 Apr 9.7 May 9.6 Jun 8.0 Jul 4.5 Aug 5.6 Sep 6.4 Oct 7.5 Nov 11.7 Dec 9.0 Annual 99.4 Ann-NCDC 99.4 ------------------ Element AB: Number Days with Snow/Hail (count) MEANMLY (Statistic 15): Mean Monthly Value ------------------ byr: 1961 eyr: 1990 Month ------------------ Jan 11.9 Feb 5.3 Mar 2.7 Apr .6 May .2 Jun .0 Jul .0 Aug .0 Sep .0 Oct .2 Nov 4.0 Dec 12.3 Annual 37.2 Ann-NCDC 37.2 ------------------ Element AC: Number Days with Fog/Mist (count) MEANMLY (Statistic 15): Mean Monthly Value ------------------ byr: 1961 eyr: 1990 Month ------------------ Jan 15.0 Feb 9.0 Mar 2.7 Apr .3 May .3 Jun .3 Jul .1 Aug .2 Sep .6 Oct 2.2 Nov 11.2 Dec 17.3 Annual 59.2 Ann-NCDC 59.2 ------------------ 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 ------------------