Station Name: GULKANA/INTERMEDIATE FIELD AK WMO Station Number: 70271 National I.D. Number: 00503465 Country: UNITED STATES OF AMERICA WMO Region: REGION IV - NORTH & CENTRAL AMERICA Latitude: 62d 09m N Longitude: 145d 27m W Elevation: 481 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 -20.9 30 Feb -15.9 30 Mar -9.2 30 Apr -.7 30 May 6.5 30 Jun 11.8 30 Jul 14.1 30 Aug 11.9 30 Sep 6.6 30 Oct -2.6 30 Nov -14.9 30 Dec -19.6 30 Annual -2.7 30 Ann-NCDC -2.7 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 -16.4 7.2 196121 30 Feb -10.2 7.2 196809 30 Mar -2.2 10.6 197424 30 Apr 5.3 19.4 198325 30 May 12.7 25.0 196924 30 Jun 17.9 32.2 196915 30 Jul 20.2 31.1 197510 30 Aug 18.2 31.1 197601 30 Sep 12.3 23.3 198910 30 Oct 1.8 18.3 196906 30 Nov -10.7 8.9 196418 30 Dec -15.2 6.1 198523 30 Annual 2.8 NA NA 30 Ann-NCDC 2.8 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 -25.5 -49.4 197212 30 Feb -21.7 -46.1 197914 30 Mar -16.3 -44.4 197210 30 Apr -6.7 -32.8 198609 30 May .3 -15.0 196409 30 Jun 5.7 -2.8 197821 30 Jul 8.0 -1.7 197019 30 Aug 5.7 -6.7 198430 30 Sep .8 -15.0 198327 30 Oct -6.9 -30.6 198227 30 Nov -19.2 -42.2 198912 30 Dec -23.8 -50.0 196414 30 Annual -8.3 NA NA 30 Ann-NCDC -8.3 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 10.4 -23.6 13 Feb 9.5 -15.7 13 Mar 8.9 -10.8 12 Apr 4.4 -2.7 13 May 3.6 2.7 12 Jun 2.9 7.9 13 Jul 2.7 10.3 12 Aug 3.3 8.6 12 Sep 4.1 3.9 12 Oct 6.2 -4.1 12 Nov 8.7 -15.4 12 Dec 10.7 -21.2 12 Annual 13.4 -5.0 11 Ann-NCDC NA -5.0 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 11.7 -27.3 13 Feb 10.6 -19.0 13 Mar 9.8 -14.8 12 Apr 4.7 -6.9 13 May 3.8 -2.3 12 Jun 3.4 3.7 13 Jul 2.8 7.0 12 Aug 3.4 5.4 11 Sep 4.4 1.1 12 Oct 6.2 -6.5 12 Nov 9.6 -18.1 12 Dec 11.8 -24.4 12 Annual 13.7 -8.5 10 Ann-NCDC NA -8.5 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 11.4 0.0 4.1 7.6 11.7 17.5 37.8 30 Feb 13.5 0.8 3.8 7.9 13.0 21.1 41.9 30 Mar 9.1 0.0 1.8 5.1 8.9 14.7 33.5 30 Apr 6.1 0.0 0.5 2.3 5.3 10.2 19.6 30 May 15.5 1.3 4.6 8.9 14.7 24.4 42.7 30 Jun 40.6 9.7 20.6 30.7 42.2 58.4 103.4 30 Jul 45.2 12.2 27.7 37.3 47.2 60.7 84.3 30 Aug 38.1 3.6 17.8 27.7 39.1 55.6 99.6 30 Sep 35.1 1.8 14.2 23.9 35.6 52.8 99.8 30 Oct 22.6 2.8 8.4 14.7 22.6 34.5 61.5 30 Nov 15.5 0.3 4.3 8.9 15.0 24.6 72.9 30 Dec 23.4 1.8 6.6 13.5 22.4 37.1 105.2 30 Annual 276.1 NA NA NA NA NA NA 30 Ann-NCDC 276.1 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 13.7 198925 30 Feb 24.4 197805 30 Mar 20.6 197212 30 Apr 8.1 198317 30 May 16.8 197707 30 Jun 32.8 196228 30 Jul 51.8 197227 30 Aug 46.2 197113 29 Sep 35.6 199004 28 Oct 21.6 196510 29 Nov 51.1 197630 29 Dec 18.3 198713 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 12.4 35.8 198925 16.0 7.6 19.8 30 Feb 12.7 35.6 197805 19.0 6.3 26.4 30 Mar 12.4 27.7 197212 13.2 4.3 17.8 30 Apr 4.3 15.2 197701 7.6 .5 13.2 30 May Trace 10.2 197707 1.3 Trace 1.0 30 Jun .0 2.5 198601 * .0 .0 30 Jul .0 .0 199031 .0 .0 .0 30 Aug .0 Trace 197422 Trace .0 .0 29 Sep Trace 11.2 197020 1.8 .0 Trace 28 Oct 10.4 28.2 197822 17.5 7.6 26.7 29 Nov 20.1 16.3 198421 18.8 10.4 26.9 29 Dec 22.1 29.0 198103 26.7 12.2 34.3 30 Annual NA NA NA 121.9 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 73.8 73.9 72.7 72.6 72.5 71.4 71.9 72.2 73.7 Feb 77.2 76.8 74.5 72.5 70.4 66.3 70.5 71.8 76.0 Mar 74.1 75.4 74.6 70.8 60.2 54.9 57.7 66.6 69.3 Apr 72.7 77.1 78.4 64.6 52.4 46.5 49.3 62.1 65.2 May 69.7 76.9 74.9 58.2 44.0 40.0 43.0 53.8 58.3 Jun 70.3 79.5 75.2 61.4 48.9 43.1 45.1 53.9 60.7 Jul 75.5 83.9 81.8 68.9 54.8 48.2 49.8 60.6 65.7 Aug 77.8 84.2 86.1 73.0 56.6 49.1 51.8 67.6 68.8 Sep 80.3 84.3 84.1 76.7 60.2 52.0 55.7 71.7 72.6 Oct 81.8 83.1 82.0 81.2 72.1 66.6 72.9 78.7 79.1 Nov 79.1 79.3 76.7 77.1 77.7 76.1 77.4 77.6 79.7 Dec 76.2 76.4 74.7 74.1 74.2 74.1 74.1 74.0 76.6 Annual 75.6 79.3 78.1 71.2 62.2 57.5 59.9 68.1 70.3 Ann-NCDC 75.7 79.2 78.0 70.9 62.0 57.4 59.9 67.5 70.5 ---------------------------------------------------------------------------------- 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 13 13 21 30 30 30 30 30 13 Feb 13 13 21 30 30 30 30 30 13 Mar 13 13 21 30 30 30 29 29 12 Apr 13 13 22 29 29 29 29 25 13 May 13 13 27 30 30 30 29 23 12 Jun 13 13 28 30 30 30 30 23 13 Jul 12 13 29 30 30 30 30 23 12 Aug 11 11 29 29 29 29 29 23 11 Sep 12 12 30 30 30 30 30 23 12 Oct 12 12 29 29 29 29 29 22 12 Nov 12 12 20 29 29 29 29 29 12 Dec 12 12 19 29 29 29 28 28 12 Annual 11 11 17 27 27 27 26 21 10 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 1018.5 13 Feb 1011.6 13 Mar 1012.6 12 Apr 1010.4 13 May 1012.2 12 Jun 1011.4 13 Jul 1014.3 12 Aug 1011.5 11 Sep 1009.6 12 Oct 1005.5 12 Nov 1011.2 12 Dec 1014.0 12 Annual 1011.8 10 Ann-NCDC 1011.9 NA -------------------------- Element 16: Wind Speed (m/sec) MN3HRLY (Statistic 94): Mean of 3-Hourly Observations ------------------ byr: 1961 eyr: 1990 Month ------------------ Jan 2.1 Feb 2.5 Mar 3.6 Apr 4.1 May 4.3 Jun 4.3 Jul 3.9 Aug 4.0 Sep 3.7 Oct 3.2 Nov 2.3 Dec 2.2 Annual 3.4 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 .323 .084 .044 .019 .018 .019 .024 .021 .035 Feb .254 .066 .047 .024 .015 .021 .030 .046 .092 Mar .166 .066 .054 .023 .017 .023 .028 .051 .111 Apr .103 .062 .036 .021 .020 .019 .043 .071 .191 May .083 .032 .033 .026 .022 .020 .045 .102 .237 Jun .066 .022 .026 .016 .012 .016 .041 .115 .268 Jul .091 .029 .024 .023 .019 .018 .052 .107 .241 Aug .091 .037 .025 .019 .015 .025 .042 .111 .258 Sep .133 .061 .050 .030 .020 .023 .045 .099 .198 Oct .187 .069 .062 .035 .021 .024 .034 .061 .145 Nov .295 .092 .051 .022 .016 .014 .021 .020 .069 Dec .307 .080 .042 .015 .012 .015 .022 .024 .054 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 .012 .012 .015 .019 .035 .073 .114 .134 Feb .031 .016 .018 .022 .042 .077 .090 .109 Mar .038 .020 .025 .032 .063 .102 .086 .094 Apr .069 .034 .028 .028 .057 .071 .074 .074 May .104 .061 .029 .027 .041 .051 .041 .046 Jun .136 .077 .049 .034 .032 .037 .022 .032 Jul .116 .072 .043 .026 .036 .035 .031 .038 Aug .114 .052 .029 .022 .029 .045 .037 .050 Sep .072 .036 .028 .020 .023 .037 .050 .074 Oct .045 .022 .019 .025 .034 .061 .059 .097 Nov .021 .011 .014 .020 .041 .071 .092 .131 Dec .019 .013 .018 .018 .040 .081 .107 .133 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 360.0 13 Feb 360.0 13 Mar 180.0 12 Apr 180.0 13 May 180.0 12 Jun 180.0 13 Jul 180.0 12 Aug 180.0 12 Sep 180.0 12 Oct 180.0 12 Nov 360.0 12 Dec 360.0 12 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 NA Feb NA Mar NA Apr NA May NA Jun NA Jul NA Aug NA Sep NA Oct NA Nov NA Dec NA Annual NA Ann-NCDC NA ------------------ Element 61: Number Days with Haze/Smoke (count) MEANMLY (Statistic 15): Mean Monthly Value ------------------ byr: 1961 eyr: 1990 Month ------------------ Jan NA Feb NA Mar NA Apr NA May NA Jun NA Jul NA Aug NA Sep NA Oct NA Nov NA Dec NA Annual NA Ann-NCDC NA ------------------ Element 63: Number Days with Blowing Dust/Sand (count) MEANMLY (Statistic 15): Mean Monthly Value ------------------ byr: 1961 eyr: 1990 Month ------------------ Jan NA Feb NA Mar NA Apr NA May NA Jun NA Jul NA Aug NA Sep NA Oct NA Nov NA Dec NA Annual NA Ann-NCDC NA ------------------ 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 .0 Mar .1 .0 Apr 3.5 .0 May 23.9 .0 Jun 29.3 .0 Jul 31.0 .0 Aug 30.7 .0 Sep 23.8 .0 Oct 2.8 .0 Nov .0 .0 Dec .0 .0 Annual 145.1 .0 Ann-NCDC 145.1 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 30.8 31.0 Feb 27.8 28.0 Mar 30.5 31.0 Apr 28.0 30.0 May 15.4 31.0 Jun .9 28.9 Jul .2 25.9 Aug 3.8 28.3 Sep 13.3 29.9 Oct 26.4 31.0 Nov 29.4 30.0 Dec 30.7 31.0 Annual 237.2 356.0 Ann-NCDC 237.2 356.0 -------------------------- 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 3.8 Feb 3.3 Mar 2.6 Apr 1.8 May 3.7 Jun 7.3 Jul 8.3 Aug 7.2 Sep 7.0 Oct 5.2 Nov 4.0 Dec 4.9 Annual 59.1 Ann-NCDC 59.1 ------------------ Element 97: Number Days with Freezing Rain/Drizzle (count) MEANMLY (Statistic 15): Mean Monthly Value ------------------ byr: 1961 eyr: 1990 Month ------------------ Jan NA Feb NA Mar NA Apr NA May NA Jun NA Jul NA Aug NA Sep NA Oct NA Nov NA Dec NA Annual NA Ann-NCDC NA ------------------ Element 98: Number Days with Blowing Snow (count) MEANMLY (Statistic 15): Mean Monthly Value ------------------ byr: 1961 eyr: 1990 Month ------------------ Jan NA Feb NA Mar NA Apr NA May NA Jun NA Jul NA Aug NA Sep NA Oct NA Nov NA Dec NA Annual NA Ann-NCDC NA ------------------ Element AA: Number Days with Rain/Drizzle (count) MEANMLY (Statistic 15): Mean Monthly Value ------------------ byr: 1961 eyr: 1990 Month ------------------ Jan NA Feb NA Mar NA Apr NA May NA Jun NA Jul NA Aug NA Sep NA Oct NA Nov NA Dec NA Annual NA Ann-NCDC NA ------------------ Element AB: Number Days with Snow/Hail (count) MEANMLY (Statistic 15): Mean Monthly Value ------------------ byr: 1961 eyr: 1990 Month ------------------ Jan NA Feb NA Mar NA Apr NA May NA Jun NA Jul NA Aug NA Sep NA Oct NA Nov NA Dec NA Annual NA Ann-NCDC NA ------------------ Element AC: Number Days with Fog/Mist (count) MEANMLY (Statistic 15): Mean Monthly Value ------------------ byr: 1961 eyr: 1990 Month ------------------ Jan NA Feb NA Mar NA Apr NA May NA Jun NA Jul NA Aug NA Sep NA Oct NA Nov NA Dec NA Annual NA Ann-NCDC NA ------------------ Element AD: Number Days with Weather Phenomena (count) #_YEARS (Statistic 98): Number of Years used to Calculate Normal ------------------ byr: 1961 eyr: 1990 Month ------------------ Jan 13 Feb 15 Mar 13 Apr 13 May 12 Jun 14 Jul 13 Aug 12 Sep 13 Oct 14 Nov 12 Dec 14 Annual NA Ann-NCDC NA ------------------