Station Name: WILLISTON/SLOULIN FIELD, ND WMO Station Number: 72767 National I.D. Number: 00329425 Country: UNITED STATES OF AMERICA WMO Region: REGION IV - NORTH & CENTRAL AMERICA Latitude: 48d 11m N Longitude: 103d 38m W Elevation: 579 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 -12.8 30 Feb -8.8 30 Mar -2.0 30 Apr 6.2 30 May 12.9 30 Jun 18.2 30 Jul 21.5 30 Aug 20.4 30 Sep 13.5 30 Oct 7.1 30 Nov -2.7 30 Dec -10.4 30 Annual 5.3 30 Ann-NCDC 5.3 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 1962 1962 1961 eyr: 1990 1990 1990 1990 Statistic: MEAN MAX_VAL DATEMAX #_YEARS Month ------------------------------------------ Jan -6.9 11.7 198123 30 Feb -2.9 16.1 198827 30 Mar 4.1 25.6 197830 30 Apr 13.2 33.3 198021 30 May 20.2 41.1 198022 30 Jun 25.6 41.1 198820 30 Jul 29.3 42.8 198010 30 Aug 28.5 41.7 198306 30 Sep 21.2 40.0 198301 30 Oct 14.5 33.9 196304 30 Nov 3.3 22.8 198103 30 Dec -4.7 14.4 197904 30 Annual 12.1 NA NA 30 Ann-NCDC 12.1 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 1962 1962 1961 eyr: 1990 1990 1990 1990 Statistic: MEAN MIN_VAL DATEMIN #_YEARS Month ------------------------------------------ Jan -18.8 -40.0 196629 30 Feb -14.8 -40.6 196228 30 Mar -8.1 -33.3 196205 30 Apr -.8 -26.1 197502 30 May 5.7 -8.3 198011 30 Jun 10.8 -1.1 196913 30 Jul 13.6 1.1 196703 30 Aug 12.3 1.1 198829 30 Sep 5.8 -8.3 197430 30 Oct -.3 -17.8 198431 30 Nov -8.7 -31.1 198529 30 Dec -16.2 -45.6 198323 30 Annual -1.6 NA NA 30 Ann-NCDC -1.6 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: 1962 1962 1962 eyr: 1990 1990 1990 Statistic: SD3HRLY MN3HRLY #_YEARS Month ---------------------------------- Jan 9.1 -12.9 23 Feb 8.4 -9.3 23 Mar 6.6 -3.4 24 Apr 5.1 2.8 24 May 4.6 8.5 23 Jun 3.7 13.2 24 Jul 3.4 15.4 24 Aug 3.7 14.3 24 Sep 4.4 9.3 24 Oct 4.7 3.4 24 Nov 6.5 -4.1 24 Dec 8.3 -10.8 24 Annual 11.4 2.2 22 Ann-NCDC NA 2.2 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: 1962 1962 1962 eyr: 1990 1990 1990 Statistic: SD3HRLY MN3HRLY #_YEARS Month ---------------------------------- Jan 10.0 -15.9 23 Feb 9.2 -12.2 23 Mar 6.7 -6.7 24 Apr 4.9 -1.9 24 May 5.1 3.8 23 Jun 4.3 9.2 24 Jul 4.2 11.2 24 Aug 4.3 9.7 24 Sep 4.4 5.1 24 Oct 4.5 -.5 24 Nov 6.5 -6.9 24 Dec 9.0 -13.6 24 Annual 11.2 -1.6 22 Ann-NCDC NA -1.6 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 13.5 0.8 4.8 8.6 13.5 20.6 36.1 30 Feb 10.7 1.0 3.3 6.4 10.2 16.5 37.6 30 Mar 17.5 0.3 5.1 10.2 16.8 27.7 57.4 30 Apr 32.5 0.8 10.9 20.3 32.0 50.3 84.1 30 May 50.5 3.8 17.3 31.8 49.8 78.0 187.5 30 Jun 57.9 10.9 30.5 44.7 59.9 81.8 150.4 30 Jul 53.3 12.4 23.1 37.6 54.4 79.0 157.5 30 Aug 31.8 1.8 11.9 21.1 31.8 48.0 85.9 30 Sep 33.8 2.8 11.9 21.6 33.5 52.1 79.0 30 Oct 19.6 0.0 3.8 9.9 18.3 32.0 90.4 30 Nov 11.4 1.0 4.1 7.1 11.2 17.5 29.2 30 Dec 14.7 1.8 6.6 10.4 15.0 21.6 36.3 30 Annual 347.2 NA NA NA NA NA NA 30 Ann-NCDC 347.2 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: 1962 1962 1962 eyr: 1990 1990 1990 Statistic: MAX_DLY DATEMAX #_YEARS Month ---------------------------------- Jan 13.0 198811 29 Feb 7.9 197227 29 Mar 17.5 198306 29 Apr 48.3 196720 29 May 38.6 196525 29 Jun 40.1 196407 29 Jul 125.2 196310 29 Aug 62.2 197214 29 Sep 40.6 197303 29 Oct 46.2 197102 29 Nov 9.9 197528 29 Dec 22.4 198202 29 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: 1962 1962 1962 1962 1962 1962 1962 eyr: 1990 1990 1990 1990 1990 1990 1990 Statistic: MEDIAN MAX_DLY DATEMAX MEANMLY QUAR25% QUAR75% #_YEARS Month ------------------------------------------------------------------ Jan 15.0 16.0 198906 18.5 8.9 26.2 29 Feb 7.9 9.7 197227 11.9 4.3 17.8 29 Mar 12.7 18.5 197527 17.3 5.6 23.9 29 Apr 6.1 38.1 198613 12.7 3.3 25.1 29 May Trace 30.0 198312 2.0 .0 1.0 29 Jun .0 .0 199030 .0 .0 .0 29 Jul .0 .0 199031 .0 .0 .0 29 Aug .0 .0 199031 .0 .0 .0 29 Sep .0 7.6 197225 1.0 .0 Trace 29 Oct .3 26.7 198507 3.8 Trace 5.1 29 Nov 8.6 17.8 198617 11.4 4.8 16.0 29 Dec 16.5 19.6 197828 18.5 12.2 25.9 29 Annual NA NA NA 97.1 NA NA NA Ann-NCDC NA NA NA 97.1 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: 1962 1962 1962 1962 1962 1962 1962 1962 1962 eyr: 1990 1990 1990 1990 1990 1990 1990 1990 1990 Statistic: MN00LST MN03LST MN06LST MN09LST MN12LST MN15LST MN18LST MN21LST MN3HRLY Month ---------------------------------------------------------------------------------- Jan 78.4 78.6 77.8 77.4 72.0 68.7 74.2 77.9 76.2 Feb 79.5 79.5 79.9 78.9 70.7 66.4 70.8 77.9 75.6 Mar 79.1 81.5 82.4 77.7 64.5 57.9 60.7 74.4 72.5 Apr 69.6 75.6 79.7 67.4 50.9 44.1 45.7 61.2 61.4 May 67.3 74.1 78.3 62.2 47.4 41.1 42.2 57.4 58.5 Jun 69.8 76.7 80.5 62.8 48.3 42.5 43.4 58.2 59.6 Jul 66.3 74.0 79.4 60.9 44.7 37.8 37.7 53.4 56.1 Aug 62.9 70.8 77.5 62.3 43.8 35.6 35.8 52.6 54.9 Sep 68.8 75.4 80.0 68.9 50.3 41.9 43.2 61.1 61.1 Oct 71.7 76.1 79.0 73.6 53.6 44.1 51.4 66.9 65.2 Nov 78.8 80.6 81.2 80.8 67.6 59.8 70.1 76.6 74.9 Dec 79.8 79.4 79.4 79.2 72.6 68.2 75.7 78.6 77.1 Annual 72.8 77.0 79.7 71.0 57.2 50.6 54.2 66.5 66.2 Ann-NCDC 72.7 76.9 79.6 71.0 57.2 50.7 54.2 66.3 66.1 ---------------------------------------------------------------------------------- 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: 1962 1962 1962 1962 1962 1962 1962 1962 1962 eyr: 1990 1990 1990 1990 1990 1990 1990 1990 1990 Qualifier: 70 73 76 79 82 85 88 91 94 Month ---------------------------------------------------------------------------------- Jan 23 23 29 29 29 29 29 23 23 Feb 23 23 29 29 29 29 29 23 23 Mar 24 24 29 29 29 29 29 24 24 Apr 24 24 29 29 29 29 29 24 24 May 23 23 28 28 28 28 28 23 23 Jun 24 24 29 29 29 29 29 24 24 Jul 24 24 29 29 29 29 29 24 24 Aug 24 24 29 29 29 29 29 24 24 Sep 24 24 29 29 29 29 29 24 24 Oct 24 24 29 29 29 29 29 24 24 Nov 24 24 29 29 29 29 29 24 24 Dec 24 24 29 29 29 29 29 24 24 Annual 22 22 28 28 28 28 28 22 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: 1962 1962 eyr: 1990 1990 Statistic: MN3HRLY #_YEARS Month -------------------------- Jan 1020.3 23 Feb 1020.2 23 Mar 1016.6 24 Apr 1015.0 24 May 1013.0 23 Jun 1011.8 24 Jul 1013.6 24 Aug 1013.6 24 Sep 1015.1 24 Oct 1016.2 24 Nov 1017.6 24 Dec 1019.1 24 Annual 1016.0 22 Ann-NCDC 1016.0 NA -------------------------- Element 15: Sunshine %OFPOSS (Statistic 37): Percent of Possible MN_#HRS (Statistic 44): Mean Number of Hours -------------------------- byr: 1961 1961 eyr: 1990 1990 Statistic: %OFPOSS MN_#HRS Month -------------------------- Jan 53.0 144.5 Feb 59.0 169.7 Mar 62.0 227.3 Apr 61.0 250.3 May 63.0 297.9 Jun 68.0 326.0 Jul 76.0 366.3 Aug 75.0 331.5 Sep 66.0 249.5 Oct 59.0 197.1 Nov 44.0 122.2 Dec 48.0 125.5 Annual 63.0 2807.8 Ann-NCDC NA 2807.8 -------------------------- Element 15: Sunshine Qualifier: 15: Mean Monthly Value #_YEARS (Statistic 98): Number of Years used to Calculate Normal ------------------ byr: 1961 eyr: 1990 Month ------------------ Jan 30 Feb 30 Mar 30 Apr 30 May 29 Jun 29 Jul 29 Aug 29 Sep 30 Oct 30 Nov 30 Dec 30 Annual 0 Ann-NCDC NA ------------------ Element 16: Wind Speed (m/sec) MN3HRLY (Statistic 94): Mean of 3-Hourly Observations ------------------ byr: 1962 eyr: 1990 Month ------------------ Jan 4.7 Feb 4.7 Mar 5.0 Apr 5.5 May 5.4 Jun 4.9 Jul 4.6 Aug 4.6 Sep 4.8 Oct 4.9 Nov 4.4 Dec 4.6 Annual 4.8 Ann-NCDC 4.8 ------------------ 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: 1962 1962 1962 1962 1962 1962 1962 1962 1962 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 .091 .043 .024 .017 .026 .024 .027 .029 .062 Feb .085 .049 .027 .024 .041 .041 .044 .037 .058 Mar .072 .056 .031 .034 .049 .055 .061 .053 .060 Apr .060 .069 .046 .036 .053 .057 .076 .059 .048 May .060 .070 .043 .035 .053 .061 .084 .069 .051 Jun .065 .049 .035 .031 .048 .052 .079 .064 .053 Jul .081 .062 .037 .030 .043 .055 .073 .069 .059 Aug .073 .063 .049 .029 .042 .053 .079 .075 .061 Sep .077 .052 .038 .028 .033 .043 .062 .052 .058 Oct .083 .041 .023 .016 .023 .025 .037 .049 .062 Nov .098 .038 .028 .017 .026 .029 .037 .038 .065 Dec .082 .039 .026 .019 .029 .020 .026 .038 .069 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: 1962 1962 1962 1962 1962 1962 1962 1962 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 .098 .101 .072 .088 .085 .073 .064 .075 Feb .085 .074 .060 .080 .079 .073 .067 .078 Mar .066 .049 .044 .058 .062 .076 .080 .094 Apr .051 .045 .037 .054 .060 .067 .082 .101 May .053 .042 .044 .054 .052 .062 .070 .096 Jun .054 .050 .057 .073 .074 .068 .060 .086 Jul .048 .044 .042 .060 .066 .071 .072 .090 Aug .051 .039 .036 .054 .058 .063 .079 .095 Sep .075 .055 .046 .072 .073 .077 .075 .085 Oct .092 .085 .062 .074 .086 .092 .069 .079 Nov .104 .094 .056 .079 .078 .078 .062 .073 Dec .113 .099 .064 .088 .080 .081 .060 .066 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: 1962 1962 eyr: 1990 1990 Statistic: PREVAIL #_YEARS Month -------------------------- Jan 225.0 23 Feb 202.5 23 Mar 360.0 24 Apr 360.0 24 May 360.0 23 Jun 360.0 24 Jul 360.0 24 Aug 360.0 24 Sep 360.0 24 Oct 315.0 24 Nov 202.5 24 Dec 202.5 24 Annual 360.0 NA Ann-NCDC NA NA -------------------------- Element 20: Sky Cover (Cloud Cover) (okta) 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 5.5 30 Feb 5.5 30 Mar 5.4 30 Apr 5.2 30 May 5.1 30 Jun 4.6 30 Jul 3.8 30 Aug 3.9 30 Sep 4.4 30 Oct 4.8 30 Nov 5.4 30 Dec 5.4 30 Annual 4.9 NA Ann-NCDC 4.9 NA -------------------------- Element 51: Number Days with Thunder (count) MEANMLY (Statistic 15): Mean Monthly Value ------------------ byr: 1962 eyr: 1990 Month ------------------ Jan .0 Feb .0 Mar .1 Apr .9 May 2.9 Jun 7.6 Jul 8.4 Aug 6.0 Sep 2.0 Oct * Nov .0 Dec .0 Annual 27.9 Ann-NCDC 27.9 ------------------ Element 61: Number Days with Haze/Smoke (count) MEANMLY (Statistic 15): Mean Monthly Value ------------------ byr: 1962 eyr: 1990 Month ------------------ Jan .1 Feb .0 Mar .1 Apr .3 May .3 Jun .1 Jul .3 Aug .3 Sep .1 Oct * Nov * Dec .1 Annual 1.7 Ann-NCDC 1.7 ------------------ Element 63: Number Days with Blowing Dust/Sand (count) MEANMLY (Statistic 15): Mean Monthly Value ------------------ byr: 1962 eyr: 1990 Month ------------------ Jan .1 Feb .1 Mar .4 Apr .4 May .6 Jun .1 Jul .2 Aug .2 Sep .2 Oct .3 Nov * Dec .1 Annual 2.7 Ann-NCDC 2.7 ------------------ 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: 1962 1962 eyr: 1990 1990 Qualifier: 10.0 35.0 Month -------------------------- Jan .1 .0 Feb .9 .0 Mar 7.7 .0 Apr 20.3 .0 May 29.6 .2 Jun 30.0 1.2 Jul 31.0 3.8 Aug 31.0 4.1 Sep 28.4 .6 Oct 23.7 .0 Nov 6.6 .0 Dec .5 .0 Annual 209.8 9.9 Ann-NCDC 209.8 9.9 -------------------------- 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: 1962 1962 eyr: 1990 1990 Qualifier: 0.0 10.0 Month -------------------------- Jan 30.8 31.0 Feb 27.6 28.0 Mar 29.0 31.0 Apr 17.9 29.9 May 3.9 26.2 Jun .2 13.0 Jul .0 4.9 Aug .0 9.2 Sep 2.7 24.6 Oct 15.8 30.8 Nov 28.4 30.0 Dec 31.0 31.0 Annual 187.3 289.6 Ann-NCDC 187.3 289.6 -------------------------- Element 95: Number Days with Precipitation GE Threshold (count) Qualifier: 1.0 mm MEANMLY (Statistic 15): Mean Monthly Value ------------------ byr: 1962 eyr: 1990 Month ------------------ Jan 4.1 Feb 3.4 Mar 4.5 Apr 5.2 May 7.0 Jun 7.6 Jul 6.3 Aug 4.7 Sep 4.6 Oct 3.2 Nov 3.5 Dec 4.3 Annual 58.4 Ann-NCDC 58.4 ------------------ Element 97: Number Days with Freezing Rain/Drizzle (count) MEANMLY (Statistic 15): Mean Monthly Value ------------------ byr: 1962 eyr: 1990 Month ------------------ Jan .4 Feb .1 Mar .4 Apr .1 May .0 Jun .0 Jul .0 Aug .0 Sep .0 Oct .1 Nov .1 Dec .2 Annual 1.4 Ann-NCDC 1.4 ------------------ Element 98: Number Days with Blowing Snow (count) MEANMLY (Statistic 15): Mean Monthly Value ------------------ byr: 1962 eyr: 1990 Month ------------------ Jan 4.4 Feb 3.1 Mar 2.1 Apr .7 May .1 Jun .0 Jul .0 Aug .0 Sep .0 Oct .2 Nov 1.1 Dec 3.7 Annual 15.4 Ann-NCDC 15.4 ------------------ Element AA: Number Days with Rain/Drizzle (count) MEANMLY (Statistic 15): Mean Monthly Value ------------------ byr: 1962 eyr: 1990 Month ------------------ Jan 1.7 Feb 1.9 Mar 5.0 Apr 9.4 May 14.7 Jun 15.3 Jul 12.7 Aug 11.8 Sep 10.1 Oct 8.3 Nov 4.4 Dec 2.5 Annual 97.8 Ann-NCDC 97.8 ------------------ Element AB: Number Days with Snow/Hail (count) MEANMLY (Statistic 15): Mean Monthly Value ------------------ byr: 1962 eyr: 1990 Month ------------------ Jan 18.3 Feb 15.5 Mar 12.8 Apr 6.4 May 1.1 Jun .0 Jul .0 Aug .0 Sep .6 Oct 4.2 Nov 11.8 Dec 18.4 Annual 89.1 Ann-NCDC 89.1 ------------------ Element AC: Number Days with Fog/Mist (count) MEANMLY (Statistic 15): Mean Monthly Value ------------------ byr: 1962 eyr: 1990 Month ------------------ Jan 6.0 Feb 5.1 Mar 6.2 Apr 4.7 May 3.1 Jun 2.3 Jul 1.7 Aug 1.8 Sep 3.0 Oct 3.9 Nov 6.1 Dec 6.1 Annual 50.0 Ann-NCDC 50.0 ------------------ Element AD: Number Days with Weather Phenomena (count) #_YEARS (Statistic 98): Number of Years used to Calculate Normal ------------------ byr: 1962 eyr: 1990 Month ------------------ Jan 27 Feb 28 Mar 27 Apr 27 May 27 Jun 27 Jul 27 Aug 27 Sep 27 Oct 27 Nov 27 Dec 27 Annual NA Ann-NCDC NA ------------------