Station Name: TALKEETNA, AK WMO Station Number: 70251 National I.D. Number: 00508976 Country: UNITED STATES OF AMERICA WMO Region: REGION IV - NORTH & CENTRAL AMERICA Latitude: 62d 18m N Longitude: 150d 06m W Elevation: 105 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 -12.3 30 Feb -9.6 30 Mar -5.8 30 Apr .5 30 May 7.2 30 Jun 12.5 30 Jul 14.7 30 Aug 12.8 30 Sep 7.8 30 Oct -.4 30 Nov -8.6 30 Dec -11.5 30 Annual .6 30 Ann-NCDC 0.6 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 -7.1 7.2 196120 30 Feb -3.7 10.0 198612 30 Mar .8 10.6 198408 30 Apr 6.3 17.8 197930 30 May 13.3 27.2 196925 30 Jun 18.0 32.8 196914 30 Jul 19.8 31.1 197206 30 Aug 18.1 29.4 197721 30 Sep 13.1 23.3 197404 30 Oct 4.1 15.0 198401 30 Nov -3.8 10.0 198110 30 Dec -6.8 7.2 198325 30 Annual 6.0 NA NA 30 Ann-NCDC 6.0 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 -17.4 -44.4 197211 30 Feb -15.6 -40.6 199011 30 Mar -12.3 -40.6 197107 30 Apr -5.3 -26.7 198601 30 May 1.0 -12.8 196409 30 Jun 6.9 -1.1 198502 30 Jul 9.4 1.7 196401 30 Aug 7.6 -3.9 197423 30 Sep 2.6 -9.4 197022 30 Oct -4.9 -26.7 198230 30 Nov -13.4 -36.7 197130 30 Dec -16.2 -47.2 196128 30 Annual -4.8 NA NA 30 Ann-NCDC -4.8 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 8.3 -11.2 16 Feb 8.1 -8.7 17 Mar 6.6 -5.7 15 Apr 4.1 -.8 12 May 3.7 4.5 11 Jun 2.6 9.5 13 Jul 2.3 12.1 8 Aug 3.3 10.7 12 Sep 3.7 6.2 13 Oct 4.9 -.6 10 Nov 7.2 -8.3 17 Dec 10.2 -11.9 12 Annual 10.9 -.4 5 Ann-NCDC NA -.3 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 9.9 -14.9 16 Feb 9.4 -12.3 17 Mar 7.5 -9.6 15 Apr 4.6 -4.4 12 May 4.1 .7 11 Jun 2.7 6.7 13 Jul 2.2 10.1 8 Aug 3.6 8.8 12 Sep 3.9 4.3 13 Oct 5.2 -2.8 10 Nov 8.5 -11.4 17 Dec 11.4 -15.6 12 Annual 11.9 -3.4 5 Ann-NCDC NA -3.4 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 33.0 0.0 9.9 19.8 32.3 52.1 92.2 30 Feb 36.6 0.0 15.2 25.7 37.6 55.1 109.5 30 Mar 37.1 1.5 9.1 19.8 34.5 59.4 183.6 30 Apr 40.4 3.0 13.0 24.6 39.4 63.0 114.6 30 May 42.4 9.7 25.7 34.8 44.2 57.2 82.0 30 Jun 66.8 13.7 32.0 49.3 68.8 97.0 163.6 30 Jul 92.2 27.4 52.3 73.4 96.0 127.5 222.0 30 Aug 114.8 25.9 61.5 89.4 119.4 161.8 216.7 30 Sep 107.4 23.1 52.8 80.3 110.7 154.7 259.6 30 Oct 78.7 6.6 40.9 60.5 81.8 112.0 253.5 30 Nov 43.9 1.8 10.4 23.1 40.6 70.6 184.1 30 Dec 48.5 8.6 21.1 34.3 49.5 71.9 156.5 30 Annual 741.8 NA NA NA NA NA NA 30 Ann-NCDC 741.8 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 39.6 199016 28 Feb 41.9 196220 28 Mar 46.0 196307 27 Apr 34.3 197725 27 May 23.4 198030 27 Jun 39.6 197925 27 Jul 53.8 198110 27 Aug 47.5 197321 27 Sep 59.2 198514 27 Oct 96.3 198610 27 Nov 42.9 196418 28 Dec 54.9 196729 28 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 33.3 50.0 199016 44.2 20.3 67.1 28 Feb 46.0 48.3 196220 49.8 19.8 74.9 28 Mar 43.4 42.2 199001 47.8 19.0 63.2 27 Apr 25.4 37.1 196417 30.5 10.9 40.9 27 May Trace 13.0 198610 2.8 .0 Trace 27 Jun .0 .0 199030 .0 .0 .0 27 Jul .0 .0 199031 .0 .0 .0 27 Aug .0 .0 199031 .0 .0 .0 27 Sep .0 4.1 197228 .5 .0 .0 27 Oct 33.5 28.7 197625 34.5 9.9 59.2 27 Nov 38.9 49.5 196718 49.5 18.0 71.9 28 Dec 53.3 50.8 198429 61.5 22.9 99.1 28 Annual NA NA NA 321.1 NA NA NA Ann-NCDC NA NA NA 321.1 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 73.5 73.5 73.4 73.2 69.1 67.7 72.1 72.8 72.2 Feb 75.3 74.9 75.4 74.4 67.4 63.9 71.2 74.0 72.6 Mar 75.8 76.5 78.0 72.2 61.1 59.2 63.9 72.2 70.2 Apr 79.3 82.4 83.6 68.4 58.2 53.4 55.6 67.7 69.6 May 79.4 86.0 85.6 66.0 54.0 50.4 52.2 60.9 66.8 Jun 79.8 87.9 86.5 72.3 60.7 55.0 56.3 64.0 71.0 Jul 83.7 90.3 90.2 78.7 67.3 60.9 61.3 70.4 75.9 Aug 91.6 94.3 95.2 84.6 70.9 64.1 65.3 82.4 79.6 Sep 92.4 94.4 94.4 86.3 70.6 64.0 68.4 87.1 81.2 Oct 86.5 87.1 87.5 83.9 72.6 69.0 77.1 84.0 80.9 Nov 78.4 77.8 77.7 77.3 72.7 70.7 76.4 77.2 76.1 Dec 76.2 75.2 73.3 75.4 73.0 72.7 75.1 75.1 73.0 Annual 81.1 83.6 83.6 76.0 66.5 62.6 66.4 74.1 74.3 Ann-NCDC 81.0 83.4 83.4 76.1 66.5 62.6 66.2 74.0 74.1 ---------------------------------------------------------------------------------- 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 27 20 16 30 30 30 29 29 16 Feb 26 21 17 30 30 30 28 28 17 Mar 26 19 15 30 30 30 28 28 15 Apr 26 19 14 30 30 30 27 26 12 May 26 18 12 30 30 29 28 29 11 Jun 26 20 14 30 30 29 29 30 13 Jul 25 15 11 30 30 29 27 28 8 Aug 26 19 13 29 29 29 28 29 12 Sep 26 20 14 30 30 29 28 29 13 Oct 24 17 12 28 28 28 26 26 10 Nov 26 20 17 30 30 30 29 29 17 Dec 25 17 12 29 29 30 28 28 12 Annual 22 12 5 27 27 27 23 23 5 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 1008.9 16 Feb 1005.9 17 Mar 1008.3 15 Apr 1008.5 12 May 1012.6 11 Jun 1013.4 13 Jul 1015.1 8 Aug 1012.6 12 Sep 1008.4 13 Oct 1001.1 10 Nov 1003.9 17 Dec 1006.8 12 Annual 1009.4 5 Ann-NCDC 1008.8 NA -------------------------- Element 16: Wind Speed (m/sec) MN3HRLY (Statistic 94): Mean of 3-Hourly Observations ------------------ byr: 1961 eyr: 1990 Month ------------------ Jan 2.9 Feb 2.8 Mar 2.6 Apr 2.4 May 2.4 Jun 2.4 Jul 2.1 Aug 1.9 Sep 1.8 Oct 2.0 Nov 2.7 Dec 2.8 Annual 2.4 Ann-NCDC 2.4 ------------------ 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 .232 .219 .126 .043 .014 .007 .006 .010 .014 Feb .239 .212 .126 .028 .011 .006 .008 .011 .020 Mar .210 .171 .096 .020 .009 .004 .008 .013 .034 Apr .236 .122 .094 .025 .011 .006 .012 .018 .046 May .215 .074 .077 .026 .013 .014 .022 .045 .073 Jun .184 .045 .048 .021 .014 .015 .041 .086 .136 Jul .244 .024 .047 .016 .016 .022 .047 .092 .135 Aug .296 .059 .054 .022 .013 .013 .029 .063 .103 Sep .332 .093 .090 .026 .016 .010 .017 .030 .051 Oct .329 .147 .089 .032 .020 .012 .015 .026 .031 Nov .210 .207 .126 .036 .019 .009 .009 .015 .018 Dec .209 .229 .135 .050 .026 .011 .007 .014 .018 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 .007 .006 .005 .006 .008 .024 .087 .186 Feb .012 .008 .009 .010 .011 .026 .082 .182 Mar .019 .018 .013 .036 .034 .038 .110 .166 Apr .032 .029 .022 .054 .057 .042 .077 .117 May .056 .051 .043 .068 .055 .036 .058 .074 Jun .094 .084 .057 .052 .033 .023 .023 .042 Jul .081 .081 .046 .048 .031 .019 .026 .025 Aug .069 .051 .033 .035 .029 .030 .045 .055 Sep .035 .033 .029 .025 .029 .032 .060 .093 Oct .016 .014 .013 .010 .017 .023 .063 .144 Nov .010 .008 .008 .007 .012 .028 .094 .184 Dec .007 .007 .005 .005 .007 .019 .083 .169 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 22.5 16 Feb 22.5 17 Mar 22.5 15 Apr 22.5 12 May 45.0 11 Jun 180.0 13 Jul 180.0 8 Aug 180.0 12 Sep 22.5 13 Oct 22.5 10 Nov 22.5 17 Dec 22.5 12 Annual 22.5 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 .3 Jun 1.0 Jul 1.7 Aug .8 Sep .2 Oct .0 Nov .0 Dec .0 Annual 4.0 Ann-NCDC 4.0 ------------------ Element 61: Number Days with Haze/Smoke (count) MEANMLY (Statistic 15): Mean Monthly Value ------------------ byr: 1961 eyr: 1990 Month ------------------ Jan .0 Feb .0 Mar .0 Apr .0 May .0 Jun .2 Jul * Aug .3 Sep .1 Oct .0 Nov .0 Dec * Annual .6 Ann-NCDC 0.6 ------------------ 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 * Annual * Ann-NCDC * ------------------ 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 .0 Feb * .0 Mar .2 .0 Apr 5.6 .0 May 24.9 .0 Jun 29.3 .0 Jul 31.0 .0 Aug 30.9 .0 Sep 24.5 .0 Oct 3.3 .0 Nov * .0 Dec .0 .0 Annual 149.7 .0 Ann-NCDC 149.7 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 30.7 31.0 Feb 27.8 28.0 Mar 30.6 31.0 Apr 28.3 30.0 May 13.2 31.0 Jun .2 27.7 Jul .0 19.6 Aug .7 24.1 Sep 8.6 29.9 Oct 25.0 31.0 Nov 29.4 30.0 Dec 30.6 31.0 Annual 225.1 344.3 Ann-NCDC 225.1 344.3 -------------------------- 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 6.6 Feb 6.3 Mar 6.3 Apr 5.9 May 8.9 Jun 9.9 Jul 11.8 Aug 12.3 Sep 12.5 Oct 10.7 Nov 7.0 Dec 8.4 Annual 106.6 Ann-NCDC 106.6 ------------------ 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 * May .0 Jun .0 Jul .0 Aug .0 Sep .0 Oct * Nov .2 Dec .4 Annual 1.2 Ann-NCDC 1.2 ------------------ Element 98: Number Days with Blowing Snow (count) MEANMLY (Statistic 15): Mean Monthly Value ------------------ byr: 1961 eyr: 1990 Month ------------------ Jan .2 Feb .2 Mar .1 Apr .0 May .0 Jun .0 Jul .0 Aug .0 Sep .0 Oct .0 Nov .3 Dec .1 Annual .9 Ann-NCDC 0.9 ------------------ Element AA: Number Days with Rain/Drizzle (count) MEANMLY (Statistic 15): Mean Monthly Value ------------------ byr: 1961 eyr: 1990 Month ------------------ Jan 2.8 Feb 2.5 Mar 2.4 Apr 6.4 May 16.7 Jun 18.2 Jul 19.4 Aug 19.9 Sep 18.6 Oct 11.4 Nov 3.3 Dec 3.3 Annual 124.9 Ann-NCDC 124.9 ------------------ Element AB: Number Days with Snow/Hail (count) MEANMLY (Statistic 15): Mean Monthly Value ------------------ byr: 1961 eyr: 1990 Month ------------------ Jan 12.2 Feb 11.6 Mar 12.1 Apr 9.7 May 1.6 Jun .0 Jul .0 Aug .0 Sep .5 Oct 9.1 Nov 12.9 Dec 14.5 Annual 84.2 Ann-NCDC 84.2 ------------------ Element AC: Number Days with Fog/Mist (count) MEANMLY (Statistic 15): Mean Monthly Value ------------------ byr: 1961 eyr: 1990 Month ------------------ Jan 7.6 Feb 7.3 Mar 7.4 Apr 7.0 May 4.2 Jun 5.2 Jul 8.4 Aug 10.3 Sep 10.0 Oct 10.3 Nov 8.2 Dec 8.4 Annual 94.3 Ann-NCDC 94.3 ------------------ Element AD: Number Days with Weather Phenomena (count) #_YEARS (Statistic 98): Number of Years used to Calculate Normal ------------------ byr: 1961 eyr: 1990 Month ------------------ Jan 28 Feb 28 Mar 27 Apr 27 May 27 Jun 27 Jul 27 Aug 27 Sep 27 Oct 27 Nov 28 Dec 28 Annual NA Ann-NCDC NA ------------------