Station Name: HOMER/ARPT AK WMO Station Number: 70341 National I.D. Number: 00503665 Country: UNITED STATES OF AMERICA WMO Region: REGION IV - NORTH & CENTRAL AMERICA Latitude: 59d 38m N Longitude: 151d 30m W Elevation: 27 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 -5.2 30 Feb -4.1 30 Mar -1.7 30 Apr 1.9 30 May 6.0 30 Jun 9.6 30 Jul 11.9 30 Aug 11.8 30 Sep 8.7 30 Oct 3.1 30 Nov -1.9 30 Dec -4.3 30 Annual 3.0 30 Ann-NCDC 3.0 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 -1.9 10.6 196123 30 Feb -.4 9.4 198203 30 Mar 2.2 11.7 197426 30 Apr 5.7 17.2 196517 30 May 10.0 20.6 196430 30 Jun 13.5 26.1 196914 30 Jul 15.8 25.6 196711 30 Aug 15.8 23.9 198911 30 Sep 12.6 20.0 196505 30 Oct 6.6 14.4 196916 30 Nov 1.4 11.1 198601 30 Dec -1.1 10.0 196920 30 Annual 6.7 NA NA 30 Ann-NCDC 6.7 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 -8.4 -31.1 198929 30 Feb -7.7 -25.0 196804 30 Mar -5.6 -29.4 197105 30 Apr -1.9 -16.1 198512 30 May 2.0 -9.4 196410 30 Jun 5.7 -2.8 197303 30 Jul 7.9 1.7 197104 30 Aug 7.9 .6 197314 30 Sep 4.7 -4.4 196823 30 Oct -.4 -16.7 197531 30 Nov -5.2 -21.7 199030 30 Dec -7.6 -26.7 196412 30 Annual -.7 NA NA 30 Ann-NCDC -0.7 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 6.9 -5.6 28 Feb 5.9 -4.8 29 Mar 5.1 -2.7 29 Apr 3.3 .4 29 May 2.6 4.4 30 Jun 2.2 7.9 29 Jul 2.0 10.4 28 Aug 2.3 10.4 29 Sep 2.9 7.4 28 Oct 4.1 1.8 30 Nov 5.1 -2.6 29 Dec 6.2 -4.8 30 Annual 7.3 1.8 22 Ann-NCDC NA 1.8 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 8.3 -8.1 28 Feb 7.2 -7.4 29 Mar 6.4 -5.8 29 Apr 4.0 -2.4 29 May 2.7 1.9 30 Jun 2.3 5.7 29 Jul 1.9 8.8 28 Aug 2.3 8.8 29 Sep 3.4 5.7 29 Oct 4.9 -.4 30 Nov 6.2 -5.0 29 Dec 7.7 -7.2 30 Annual 8.2 -.4 23 Ann-NCDC NA -.5 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 61.0 9.9 22.4 39.6 60.7 93.2 169.7 30 Feb 54.1 3.0 19.0 34.5 53.6 83.1 142.7 30 Mar 43.2 0.8 12.4 25.1 41.4 68.1 152.9 30 Apr 32.5 2.5 14.0 22.9 33.0 48.3 103.9 30 May 29.2 2.0 12.7 20.8 29.7 43.2 58.4 30 Jun 26.2 7.4 13.7 20.1 27.2 36.8 62.7 30 Jul 37.8 4.6 16.3 26.4 38.4 56.1 94.7 30 Aug 56.9 11.9 28.7 42.9 58.7 81.3 133.4 30 Sep 83.6 21.1 48.0 67.1 87.1 115.1 157.0 30 Oct 82.3 23.4 46.7 65.8 85.9 113.8 217.2 30 Nov 66.5 4.1 22.9 41.9 65.5 102.6 221.5 30 Dec 71.6 3.0 21.8 42.7 69.3 112.3 199.4 30 Annual 644.9 NA NA NA NA NA NA 30 Ann-NCDC 644.9 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 24.9 198017 30 Feb 28.7 197413 29 Mar 46.5 198721 30 Apr 36.6 198021 29 May 28.2 197314 30 Jun 27.4 197814 30 Jul 30.5 198011 30 Aug 35.8 198418 30 Sep 38.1 199008 30 Oct 46.5 196906 30 Nov 72.4 198328 29 Dec 51.3 197928 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 22.4 19.8 198121 23.1 15.5 28.7 30 Feb 31.0 33.0 196314 35.6 12.4 53.6 29 Mar 16.3 29.2 197627 23.4 7.4 33.0 30 Apr 3.8 16.3 197219 8.9 .5 11.7 29 May .0 7.9 197106 1.3 .0 1.0 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 1.0 196830 * .0 .0 30 Oct 3.6 14.7 197630 6.6 Trace 9.1 30 Nov 16.5 30.7 197318 21.3 7.1 35.1 29 Dec 24.1 48.8 197928 31.2 13.2 41.7 30 Annual NA NA NA 151.4 NA NA NA Ann-NCDC NA NA NA 151.4 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 80.6 80.9 80.9 80.8 78.5 76.9 79.7 79.7 79.7 Feb 79.5 80.2 81.0 80.6 75.6 73.0 76.0 78.6 78.0 Mar 76.9 78.6 79.5 77.2 69.6 67.9 69.6 74.7 74.0 Apr 78.7 81.2 83.4 74.5 67.4 65.1 67.7 74.3 73.8 May 81.2 84.4 85.1 72.9 66.2 65.1 66.9 73.1 74.2 Jun 83.3 88.0 86.5 74.6 68.6 67.2 69.2 73.3 76.2 Jul 87.5 90.6 90.7 79.4 72.5 71.2 72.3 77.3 80.2 Aug 88.2 90.5 91.5 82.2 73.6 71.6 74.3 82.2 81.6 Sep 86.8 88.6 89.6 84.3 73.4 71.3 74.5 83.1 81.4 Oct 81.5 82.7 83.5 82.5 73.1 70.2 75.3 79.3 78.5 Nov 80.5 80.4 80.8 80.4 76.2 74.8 78.5 79.4 78.9 Dec 79.8 79.9 80.7 79.6 78.4 77.7 79.6 79.2 79.4 Annual 82.2 84.0 84.6 79.2 72.8 71.1 73.7 77.8 78.3 Ann-NCDC 82.0 83.8 84.4 79.1 72.8 71.0 73.6 77.8 78.0 ---------------------------------------------------------------------------------- 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 28 29 29 30 30 30 30 30 28 Feb 29 29 29 29 29 29 29 29 29 Mar 29 29 29 30 30 30 30 30 29 Apr 29 29 29 30 30 30 30 30 29 May 30 30 30 30 30 30 30 30 30 Jun 30 30 29 29 29 29 29 30 29 Jul 30 29 29 29 29 29 29 29 28 Aug 30 30 29 29 29 29 29 29 29 Sep 29 28 30 30 30 30 30 30 28 Oct 30 30 30 30 30 30 30 30 30 Nov 29 30 30 30 30 30 30 30 29 Dec 30 30 30 30 30 30 30 30 30 Annual 24 25 25 27 27 27 27 28 22 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 1005.0 28 Feb 1004.8 29 Mar 1006.8 29 Apr 1008.5 29 May 1011.2 30 Jun 1013.0 29 Jul 1015.4 29 Aug 1012.4 30 Sep 1008.0 29 Oct 1001.9 30 Nov 1003.0 29 Dec 1003.8 30 Annual 1007.9 24 Ann-NCDC 1007.8 NA -------------------------- Element 16: Wind Speed (m/sec) MN3HRLY (Statistic 94): Mean of 3-Hourly Observations ------------------ byr: 1961 eyr: 1990 Month ------------------ Jan 3.6 Feb 3.6 Mar 3.7 Apr 3.8 May 3.9 Jun 3.7 Jul 3.3 Aug 3.2 Sep 3.3 Oct 3.6 Nov 3.7 Dec 3.7 Annual 3.6 Ann-NCDC 3.6 ------------------ 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 .108 .185 .210 .116 .044 .023 .019 .013 .014 Feb .122 .152 .203 .125 .055 .028 .023 .017 .017 Mar .110 .120 .164 .122 .052 .031 .022 .020 .026 Apr .099 .078 .098 .086 .052 .037 .029 .024 .034 May .092 .060 .073 .062 .054 .038 .040 .033 .042 Jun .103 .051 .061 .047 .041 .033 .035 .031 .043 Jul .136 .060 .073 .041 .032 .023 .024 .021 .032 Aug .130 .078 .096 .064 .045 .030 .029 .022 .036 Sep .120 .108 .126 .085 .057 .043 .035 .026 .032 Oct .104 .134 .160 .099 .052 .030 .023 .021 .025 Nov .090 .177 .229 .114 .038 .021 .016 .015 .020 Dec .091 .184 .210 .104 .046 .024 .018 .011 .013 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 .013 .026 .037 .022 .017 .021 .040 .095 Feb .018 .037 .043 .020 .014 .016 .031 .077 Mar .032 .063 .063 .033 .019 .020 .034 .067 Apr .050 .105 .116 .059 .026 .024 .032 .052 May .055 .133 .146 .070 .032 .017 .018 .036 Jun .056 .136 .194 .078 .032 .015 .016 .027 Jul .048 .130 .186 .101 .038 .013 .014 .027 Aug .051 .112 .144 .068 .029 .014 .019 .034 Sep .039 .073 .083 .043 .022 .019 .029 .059 Oct .026 .051 .059 .032 .022 .025 .045 .090 Nov .011 .024 .048 .028 .016 .021 .035 .097 Dec .015 .032 .046 .028 .021 .020 .035 .102 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 45.0 28 Feb 45.0 29 Mar 45.0 29 Apr 247.5 29 May 247.5 30 Jun 247.5 29 Jul 247.5 29 Aug 247.5 30 Sep 45.0 29 Oct 45.0 30 Nov 45.0 29 Dec 45.0 30 Annual 45.0 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 .0 Apr .0 May * Jun .0 Jul .2 Aug * Sep .0 Oct * Nov .0 Dec .0 Annual .2 Ann-NCDC 0.2 ------------------ Element 61: Number Days with Haze/Smoke (count) MEANMLY (Statistic 15): Mean Monthly Value ------------------ byr: 1961 eyr: 1990 Month ------------------ Jan .0 Feb * Mar .1 Apr * May .0 Jun .1 Jul * Aug .1 Sep .1 Oct .0 Nov .0 Dec .0 Annual .4 Ann-NCDC 0.4 ------------------ 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 .1 Apr * May .0 Jun .0 Jul .0 Aug .0 Sep .0 Oct .0 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 * .0 Feb .0 .0 Mar .1 .0 Apr 2.2 .0 May 16.5 .0 Jun 28.7 .0 Jul 31.0 .0 Aug 31.0 .0 Sep 27.4 .0 Oct 5.3 .0 Nov .3 .0 Dec * .0 Annual 142.5 .0 Ann-NCDC 142.5 0.0 -------------------------- 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 24.7 28.0 Mar 26.6 31.0 Apr 22.1 30.0 May 8.9 31.0 Jun .2 29.6 Jul .0 26.5 Aug .0 24.8 Sep 3.4 28.9 Oct 17.1 31.0 Nov 25.3 30.0 Dec 27.0 31.0 Annual 182.6 352.8 Ann-NCDC 182.6 352.8 -------------------------- 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 9.6 Feb 9.2 Mar 7.9 Apr 6.9 May 6.7 Jun 6.0 Jul 7.7 Aug 9.5 Sep 12.3 Oct 12.1 Nov 9.6 Dec 11.0 Annual 108.5 Ann-NCDC 108.5 ------------------ Element 97: Number Days with Freezing Rain/Drizzle (count) MEANMLY (Statistic 15): Mean Monthly Value ------------------ byr: 1961 eyr: 1990 Month ------------------ Jan .2 Feb .0 Mar .0 Apr .0 May .0 Jun .0 Jul .0 Aug .0 Sep .0 Oct * Nov .3 Dec .1 Annual .6 Ann-NCDC 0.6 ------------------ Element 98: Number Days with Blowing Snow (count) MEANMLY (Statistic 15): Mean Monthly Value ------------------ byr: 1961 eyr: 1990 Month ------------------ Jan 1.5 Feb 1.8 Mar 1.2 Apr .2 May .1 Jun .0 Jul .0 Aug .0 Sep .0 Oct .3 Nov .7 Dec 1.5 Annual 7.3 Ann-NCDC 7.3 ------------------ Element AA: Number Days with Rain/Drizzle (count) MEANMLY (Statistic 15): Mean Monthly Value ------------------ byr: 1961 eyr: 1990 Month ------------------ Jan 9.5 Feb 8.1 Mar 8.2 Apr 10.9 May 15.6 Jun 15.4 Jul 15.1 Aug 17.0 Sep 19.5 Oct 17.4 Nov 9.8 Dec 9.7 Annual 156.2 Ann-NCDC 156.2 ------------------ Element AB: Number Days with Snow/Hail (count) MEANMLY (Statistic 15): Mean Monthly Value ------------------ byr: 1961 eyr: 1990 Month ------------------ Jan 12.0 Feb 12.7 Mar 11.7 Apr 10.2 May 1.3 Jun .0 Jul .0 Aug .0 Sep .1 Oct 5.2 Nov 10.2 Dec 13.2 Annual 76.6 Ann-NCDC 76.6 ------------------ Element AC: Number Days with Fog/Mist (count) MEANMLY (Statistic 15): Mean Monthly Value ------------------ byr: 1961 eyr: 1990 Month ------------------ Jan 9.9 Feb 10.0 Mar 8.9 Apr 7.1 May 2.8 Jun 2.2 Jul 5.0 Aug 6.6 Sep 5.7 Oct 6.4 Nov 8.1 Dec 10.4 Annual 83.1 Ann-NCDC 83.1 ------------------ 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 29 Mar 29 Apr 29 May 29 Jun 29 Jul 29 Aug 28 Sep 29 Oct 29 Nov 28 Dec 30 Annual NA Ann-NCDC NA ------------------