Station Name: YAKUTAT/STATE ARPT AK WMO Station Number: 70361 National I.D. Number: 00509941 Country: UNITED STATES OF AMERICA WMO Region: REGION IV - NORTH & CENTRAL AMERICA Latitude: 59d 32m N Longitude: 139d 44m 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 -3.8 30 Feb -2.2 30 Mar -.6 30 Apr 2.4 30 May 6.3 30 Jun 9.7 30 Jul 12.0 30 Aug 11.8 30 Sep 9.0 30 Oct 4.9 30 Nov -.4 30 Dec -2.7 30 Annual 3.9 30 Ann-NCDC 3.9 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 12.8 198114 30 Feb 1.7 12.2 196307 30 Mar 3.4 15.0 198118 30 Apr 6.4 20.0 197630 30 May 10.0 26.1 196321 30 Jun 13.1 27.2 196118 30 Jul 15.2 28.3 197109 30 Aug 15.4 28.9 199012 30 Sep 12.9 21.7 198909 30 Oct 8.4 17.2 196701 30 Nov 2.9 12.8 197614 30 Dec .6 10.6 196917 30 Annual 7.5 NA NA 30 Ann-NCDC 7.5 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 -7.4 -29.4 196506 30 Feb -6.1 -28.9 198901 30 Mar -4.6 -28.9 197208 30 Apr -1.6 -15.0 197220 30 May 2.5 -6.1 197201 30 Jun 6.3 -1.7 197104 30 Jul 8.8 1.7 196814 30 Aug 8.1 -1.7 197424 30 Sep 5.0 -6.1 197128 30 Oct 1.5 -14.4 196624 30 Nov -3.8 -21.1 196619 30 Dec -6.1 -31.1 196430 30 Annual .2 NA NA 30 Ann-NCDC 0.2 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 6.8 -4.2 30 Feb 5.6 -2.7 30 Mar 4.4 -1.3 30 Apr 3.1 1.3 30 May 2.7 5.2 30 Jun 2.2 8.6 30 Jul 1.8 10.9 30 Aug 2.4 10.8 30 Sep 3.2 8.1 30 Oct 3.7 4.1 30 Nov 5.1 -1.0 30 Dec 6.0 -3.1 30 Annual 6.8 3.1 30 Ann-NCDC NA 3.1 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 8.6 -6.4 30 Feb 7.1 -4.8 30 Mar 5.8 -3.6 30 Apr 3.6 -.7 30 May 2.9 3.4 30 Jun 2.2 7.2 30 Jul 1.7 9.9 30 Aug 2.4 9.9 30 Sep 3.6 7.1 30 Oct 4.3 2.8 30 Nov 6.3 -2.8 30 Dec 7.6 -5.1 30 Annual 7.8 1.4 30 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 309.4 61.0 154.7 233.2 319.5 444.0 808.0 30 Feb 271.0 5.3 103.1 179.6 271.3 411.5 816.1 30 Mar 272.3 65.5 152.4 216.2 283.7 378.5 694.7 30 Apr 252.0 48.8 143.0 201.2 262.9 348.7 485.6 30 May 245.4 96.8 157.0 206.8 257.0 325.4 481.3 30 Jun 185.4 46.7 85.9 134.9 190.0 271.0 465.8 30 Jul 207.8 47.2 108.7 160.0 215.4 294.4 432.6 30 Aug 293.1 61.5 142.0 217.4 301.8 423.9 684.0 30 Sep 473.7 62.0 277.9 384.0 495.0 648.5 1227.6 30 Oct 583.4 318.8 410.2 511.8 611.9 743.5 1239.8 30 Nov 368.8 82.0 199.4 288.0 383.5 517.9 1085.3 30 Dec 379.5 96.3 204.2 295.9 394.5 533.9 894.3 30 Annual 3841.8 NA NA NA NA NA NA 30 Ann-NCDC 3841.8 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 115.8 196209 30 Feb 91.9 196421 30 Mar 198.1 197919 30 Apr 83.3 198826 30 May 83.6 196502 30 Jun 147.6 197927 30 Jul 180.8 199028 30 Aug 117.3 196622 29 Sep 189.5 197413 30 Oct 172.0 196307 30 Nov 120.7 198213 30 Dec 259.6 198815 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 98.6 59.7 197103 103.4 61.7 131.3 30 Feb 88.4 42.4 196701 97.5 32.0 163.1 30 Mar 77.0 47.0 196909 91.7 47.0 144.8 30 Apr 33.8 39.4 198607 49.8 15.2 73.2 30 May Trace 17.8 196506 5.1 Trace 4.3 30 Jun .0 .0 199030 .0 .0 .0 30 Jul .0 .0 199031 .0 .0 .0 30 Aug .0 .0 199031 .0 .0 .0 29 Sep .0 Trace 198325 Trace .0 .0 30 Oct 3.3 28.2 197529 14.2 Trace 17.8 30 Nov 51.6 38.9 196124 61.5 26.9 101.9 30 Dec 99.1 46.2 196531 91.7 52.8 128.3 30 Annual NA NA NA 514.9 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 82.8 83.1 83.9 83.6 81.8 81.1 82.9 83.0 82.8 Feb 84.6 85.2 85.2 85.4 80.3 77.6 82.4 84.2 83.1 Mar 85.9 86.1 86.5 83.6 73.5 72.5 77.2 84.7 81.2 Apr 89.4 90.4 90.4 79.6 70.9 70.1 74.3 86.3 81.4 May 91.8 93.0 91.9 78.6 72.9 71.8 74.9 85.6 82.5 Jun 93.0 94.6 92.6 81.2 75.8 74.5 77.9 86.3 84.5 Jul 94.7 96.0 95.0 85.7 80.3 78.5 81.4 89.8 87.7 Aug 95.2 95.8 95.8 87.0 79.9 78.7 82.7 92.7 88.5 Sep 94.8 95.0 95.3 89.4 79.0 78.8 85.7 93.8 89.0 Oct 90.7 90.9 90.9 89.3 80.7 80.0 88.0 90.1 87.6 Nov 86.3 86.6 86.1 86.3 82.3 80.4 84.9 85.6 84.8 Dec 83.9 84.5 84.7 84.6 83.9 83.6 83.9 83.8 84.1 Annual 89.4 90.1 89.9 84.5 78.4 77.3 81.4 87.2 84.8 Ann-NCDC 89.4 90.1 89.9 84.5 78.4 77.3 81.3 87.2 84.8 ---------------------------------------------------------------------------------- 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 1007.3 30 Feb 1007.1 30 Mar 1008.5 30 Apr 1011.0 30 May 1014.1 30 Jun 1015.1 30 Jul 1017.0 30 Aug 1014.8 30 Sep 1011.5 30 Oct 1005.0 30 Nov 1004.6 30 Dec 1006.2 30 Annual 1010.2 30 Ann-NCDC 1010.2 NA -------------------------- Element 16: Wind Speed (m/sec) MN3HRLY (Statistic 94): Mean of 3-Hourly Observations ------------------ byr: 1961 eyr: 1990 Month ------------------ Jan 3.3 Feb 3.3 Mar 3.2 Apr 3.2 May 3.4 Jun 3.2 Jul 3.1 Aug 2.9 Sep 3.2 Oct 3.7 Nov 3.3 Dec 3.3 Annual 3.3 Ann-NCDC 3.3 ------------------ 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 .235 .012 .061 .212 .198 .120 .044 .017 .020 Feb .224 .018 .059 .183 .181 .116 .056 .023 .021 Mar .186 .016 .054 .175 .191 .134 .058 .024 .021 Apr .170 .018 .049 .143 .147 .121 .064 .034 .029 May .134 .020 .041 .093 .117 .110 .078 .047 .041 Jun .128 .015 .021 .068 .090 .095 .081 .053 .044 Jul .138 .013 .019 .068 .103 .119 .076 .041 .035 Aug .180 .013 .029 .102 .123 .110 .067 .041 .033 Sep .172 .017 .050 .159 .166 .106 .066 .036 .032 Oct .160 .016 .056 .202 .199 .126 .060 .031 .029 Nov .219 .015 .062 .212 .211 .117 .044 .020 .018 Dec .231 .015 .061 .204 .199 .115 .050 .021 .017 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 .016 .013 .009 .008 .008 .008 .007 .011 Feb .017 .017 .013 .013 .015 .015 .012 .017 Mar .017 .021 .016 .014 .018 .020 .017 .019 Apr .017 .028 .030 .024 .031 .045 .026 .023 May .030 .038 .045 .041 .057 .053 .028 .026 Jun .033 .049 .060 .063 .078 .065 .032 .025 Jul .025 .049 .064 .056 .072 .066 .035 .021 Aug .029 .037 .047 .038 .049 .048 .035 .019 Sep .018 .021 .028 .023 .031 .033 .020 .021 Oct .015 .019 .014 .010 .016 .016 .014 .016 Nov .012 .010 .011 .009 .007 .010 .009 .013 Dec .013 .012 .013 .010 .010 .009 .009 .009 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 30 Feb 67.5 30 Mar 90.0 30 Apr 90.0 30 May 90.0 30 Jun 112.5 30 Jul 112.5 30 Aug 90.0 30 Sep 90.0 30 Oct 67.5 30 Nov 67.5 30 Dec 67.5 30 Annual 90.0 NA Ann-NCDC NA NA -------------------------- Element 51: Number Days with Thunder (count) MEANMLY (Statistic 15): Mean Monthly Value ------------------ byr: 1961 eyr: 1990 Month ------------------ Jan .1 Feb .1 Mar * Apr * May .1 Jun .0 Jul .1 Aug .3 Sep .5 Oct .8 Nov .5 Dec .2 Annual 2.7 Ann-NCDC 2.7 ------------------ Element 61: Number Days with Haze/Smoke (count) MEANMLY (Statistic 15): Mean Monthly Value ------------------ byr: 1961 eyr: 1990 Month ------------------ Jan * Feb .0 Mar .0 Apr .0 May .0 Jun .1 Jul * Aug .0 Sep .0 Oct .0 Nov * Dec .0 Annual .1 Ann-NCDC 0.1 ------------------ 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 .0 Jun .0 Jul .0 Aug .0 Sep .0 Oct .0 Nov .0 Dec .0 Annual .0 Ann-NCDC 0.0 ------------------ 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 .2 .0 Feb .1 .0 Mar .5 .0 Apr 4.3 .0 May 14.9 .0 Jun 26.9 .0 Jul 30.8 .0 Aug 30.9 .0 Sep 27.7 .0 Oct 11.0 .0 Nov .9 .0 Dec .1 .0 Annual 148.3 .0 Ann-NCDC 148.3 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 24.6 31.0 Feb 22.8 28.0 Mar 24.2 31.0 Apr 20.9 30.0 May 7.5 30.9 Jun .4 29.2 Jul .0 23.2 Aug .2 23.1 Sep 4.3 28.5 Oct 10.9 30.8 Nov 21.9 30.0 Dec 24.7 31.0 Annual 162.4 346.7 Ann-NCDC 162.4 346.7 -------------------------- 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 18.1 Feb 16.7 Mar 18.3 Apr 16.5 May 17.2 Jun 15.0 Jul 15.3 Aug 16.3 Sep 18.9 Oct 23.4 Nov 19.4 Dec 19.3 Annual 214.4 Ann-NCDC 214.4 ------------------ 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 .1 Dec * 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 1.6 Feb .6 Mar .5 Apr .2 May * Jun .0 Jul .0 Aug .0 Sep .0 Oct .0 Nov .3 Dec 1.0 Annual 4.2 Ann-NCDC 4.2 ------------------ Element AA: Number Days with Rain/Drizzle (count) MEANMLY (Statistic 15): Mean Monthly Value ------------------ byr: 1961 eyr: 1990 Month ------------------ Jan 13.5 Feb 13.1 Mar 15.6 Apr 18.5 May 23.1 Jun 22.2 Jul 22.7 Aug 21.8 Sep 23.2 Oct 25.1 Nov 17.3 Dec 16.0 Annual 232.1 Ann-NCDC 232.1 ------------------ Element AB: Number Days with Snow/Hail (count) MEANMLY (Statistic 15): Mean Monthly Value ------------------ byr: 1961 eyr: 1990 Month ------------------ Jan 16.8 Feb 15.9 Mar 17.3 Apr 12.3 May 2.5 Jun .0 Jul .0 Aug .0 Sep .1 Oct 4.9 Nov 14.4 Dec 17.5 Annual 101.7 Ann-NCDC 101.7 ------------------ Element AC: Number Days with Fog/Mist (count) MEANMLY (Statistic 15): Mean Monthly Value ------------------ byr: 1961 eyr: 1990 Month ------------------ Jan 15.3 Feb 15.3 Mar 15.8 Apr 16.3 May 15.9 Jun 17.4 Jul 22.3 Aug 24.6 Sep 21.2 Oct 18.6 Nov 14.4 Dec 15.4 Annual 212.5 Ann-NCDC 212.5 ------------------ 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 ------------------