Station Name: MOUNT WASHINGTON, NH WMO Station Number: 72613 National I.D. Number: 00275639 Country: UNITED STATES OF AMERICA WMO Region: REGION IV - NORTH & CENTRAL AMERICA Latitude: 44d 16m N Longitude: 071d 18m W Elevation: 1909 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 -15.6 30 Feb -15.0 30 Mar -10.7 30 Apr -5.3 30 May 1.6 30 Jun 6.5 30 Jul 9.1 30 Aug 8.2 30 Sep 4.6 30 Oct -.9 30 Nov -6.3 30 Dec -12.8 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 -10.9 5.0 198620 30 Feb -10.5 6.1 198111 30 Mar -6.6 11.1 199016 30 Apr -1.8 15.6 197619 30 May 5.0 18.9 197722 30 Jun 9.7 20.0 196913 30 Jul 12.0 21.1 196302 30 Aug 11.0 22.2 197502 30 Sep 7.7 17.2 197305 30 Oct 2.4 13.3 199007 30 Nov -2.6 11.1 198205 30 Dec -8.3 7.2 199023 30 Annual .6 NA NA 30 Ann-NCDC 0.6 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 -20.3 -43.3 196808 30 Feb -19.6 -40.6 196712 30 Mar -14.8 -35.6 198412 30 Apr -8.8 -27.2 198207 30 May -1.9 -18.9 196607 30 Jun 3.3 -10.6 198009 30 Jul 6.1 -3.9 198201 30 Aug 5.3 -6.7 198629 30 Sep 1.4 -10.6 198927 30 Oct -4.3 -18.9 197627 30 Nov -10.1 -27.2 198929 30 Dec -17.4 -40.6 196230 30 Annual -6.8 NA NA 30 Ann-NCDC -6.8 NA NA 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 201.7 32.8 109.0 157.5 209.5 283.5 462.0 30 Feb 217.4 24.9 102.9 159.8 223.5 316.5 649.2 30 Mar 227.8 68.8 135.6 185.9 238.3 310.1 405.9 30 Apr 207.5 91.7 134.4 175.8 217.7 274.1 386.3 30 May 190.8 61.0 109.2 152.9 199.1 263.1 478.0 30 Jun 198.6 61.7 130.6 169.4 208.3 260.6 406.4 30 Jul 179.8 95.3 125.7 157.5 188.7 229.9 394.5 30 Aug 209.3 104.4 151.6 185.9 219.5 263.1 324.4 30 Sep 187.5 78.7 133.1 165.1 196.6 237.7 312.9 30 Oct 182.6 64.0 127.8 159.8 191.5 233.4 344.2 30 Nov 263.7 82.3 167.9 221.5 276.4 350.3 496.8 30 Dec 246.9 85.9 143.3 199.1 257.8 339.1 455.9 30 Annual 2513.6 NA NA NA NA NA NA 30 Ann-NCDC 2513.6 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 110.7 198626 30 Feb 213.4 196925 30 Mar 96.0 197520 30 Apr 208.0 198405 30 May 85.1 197103 30 Jun 136.7 197330 30 Jul 148.3 196929 30 Aug 114.0 198905 30 Sep 128.5 198527 30 Oct 121.9 196206 30 Nov 125.5 196812 30 Dec 189.0 196927 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 120.6 59.4 197820 128.0 80.5 168.1 30 Feb 109.2 125.2 196925 122.4 83.1 138.9 30 Mar 111.3 69.6 196903 129.5 75.7 181.6 30 Apr 88.9 59.2 197424 103.6 58.4 142.0 30 May 18.3 32.5 196726 28.7 9.1 41.4 30 Jun .3 13.0 198830 3.0 Trace 3.6 30 Jul .0 2.0 197905 * .0 Trace 30 Aug .0 4.1 197630 .8 .0 Trace 30 Sep 2.3 19.6 198616 5.6 .3 10.9 30 Oct 32.0 38.1 196923 35.6 21.8 48.3 30 Nov 99.6 51.8 197228 102.6 53.6 140.0 30 Dec 136.9 95.2 196815 139.7 101.6 186.4 30 Annual NA NA NA 799.5 NA NA NA Ann-NCDC NA NA NA 799.5 NA NA 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 32.0 92.0 Feb 36.0 106.9 Mar 34.0 127.6 Apr 35.0 143.2 May 37.0 171.3 Jun 33.0 151.3 Jul 31.0 145.0 Aug 30.0 130.5 Sep 34.0 127.2 Oct 37.0 127.1 Nov 29.0 82.4 Dec 30.0 83.1 Annual 33.0 1487.6 Ann-NCDC NA 1487.6 -------------------------- 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 30 Jun 30 Jul 30 Aug 30 Sep 30 Oct 30 Nov 30 Dec 30 Annual 0 Ann-NCDC 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 6.3 30 Feb 6.2 30 Mar 6.3 30 Apr 6.2 30 May 6.3 30 Jun 6.6 30 Jul 6.7 30 Aug 6.5 30 Sep 6.2 30 Oct 6.0 30 Nov 6.5 30 Dec 6.5 30 Annual 6.4 NA Ann-NCDC 6.4 NA -------------------------- Element 51: Number Days with Thunder (count) MEANMLY (Statistic 15): Mean Monthly Value ------------------ byr: 1961 eyr: 1990 Month ------------------ Jan .2 Feb .1 Mar .4 Apr 1.0 May 2.0 Jun 3.0 Jul 4.5 Aug 3.1 Sep .8 Oct .5 Nov .4 Dec * Annual 16.0 Ann-NCDC 16.0 ------------------ Element 61: Number Days with Haze/Smoke (count) MEANMLY (Statistic 15): Mean Monthly Value ------------------ byr: 1961 eyr: 1990 Month ------------------ Jan * Feb * Mar .2 Apr .2 May .8 Jun 2.8 Jul 3.2 Aug 2.4 Sep 1.1 Oct .2 Nov * Dec .0 Annual 10.9 Ann-NCDC 10.9 ------------------ 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 * May .0 Jun .0 Jul * Aug * 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 .0 Mar * .0 Apr .5 .0 May 5.7 .0 Jun 17.2 .0 Jul 24.6 .0 Aug 22.0 .0 Sep 11.6 .0 Oct 2.6 .0 Nov .1 .0 Dec .0 .0 Annual 84.3 .0 Ann-NCDC 84.3 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 31.0 31.0 Feb 28.0 28.0 Mar 30.6 31.0 Apr 28.0 30.0 May 20.3 30.8 Jun 7.0 29.0 Jul 1.9 27.8 Aug 3.3 28.4 Sep 12.3 29.0 Oct 23.1 31.0 Nov 28.1 30.0 Dec 30.7 31.0 Annual 244.3 357.0 Ann-NCDC 244.3 357.0 -------------------------- 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 18.2 Feb 15.6 Mar 16.8 Apr 15.8 May 14.7 Jun 14.4 Jul 14.0 Aug 14.4 Sep 13.3 Oct 14.3 Nov 17.8 Dec 18.7 Annual 188.0 Ann-NCDC 188.0 ------------------ Element 97: Number Days with Freezing Rain/Drizzle (count) MEANMLY (Statistic 15): Mean Monthly Value ------------------ byr: 1961 eyr: 1990 Month ------------------ Jan .2 Feb .4 Mar .7 Apr .9 May .8 Jun .2 Jul * Aug .0 Sep .2 Oct .6 Nov 1.0 Dec .7 Annual 5.7 Ann-NCDC 5.7 ------------------ Element 98: Number Days with Blowing Snow (count) MEANMLY (Statistic 15): Mean Monthly Value ------------------ byr: 1961 eyr: 1990 Month ------------------ Jan 16.9 Feb 14.9 Mar 13.6 Apr 9.3 May 2.2 Jun .2 Jul .0 Aug .1 Sep .5 Oct 4.3 Nov 10.0 Dec 15.1 Annual 87.1 Ann-NCDC 87.1 ------------------ Element AA: Number Days with Rain/Drizzle (count) MEANMLY (Statistic 15): Mean Monthly Value ------------------ byr: 1961 eyr: 1990 Month ------------------ Jan 1.9 Feb 2.5 Mar 4.1 Apr 7.2 May 13.2 Jun 17.4 Jul 17.5 Aug 17.3 Sep 14.2 Oct 10.2 Nov 7.7 Dec 3.9 Annual 117.1 Ann-NCDC 117.1 ------------------ Element AB: Number Days with Snow/Hail (count) MEANMLY (Statistic 15): Mean Monthly Value ------------------ byr: 1961 eyr: 1990 Month ------------------ Jan 22.8 Feb 20.1 Mar 20.9 Apr 17.9 May 10.3 Jun 2.9 Jul .6 Aug 1.1 Sep 4.2 Oct 12.3 Nov 19.1 Dec 22.6 Annual 154.8 Ann-NCDC 154.8 ------------------ Element AC: Number Days with Fog/Mist (count) MEANMLY (Statistic 15): Mean Monthly Value ------------------ byr: 1961 eyr: 1990 Month ------------------ Jan 28.7 Feb 25.1 Mar 27.7 Apr 25.9 May 25.0 Jun 26.1 Jul 28.9 Aug 29.4 Sep 27.3 Oct 26.3 Nov 27.4 Dec 29.1 Annual 326.9 Ann-NCDC 326.9 ------------------ Element AD: Number Days with Weather Phenomena (count) #_YEARS (Statistic 98): Number of Years used to Calculate Normal ------------------ byr: 1961 eyr: 1990 Month ------------------ Jan 29 Feb 30 Mar 29 Apr 30 May 30 Jun 30 Jul 30 Aug 30 Sep 30 Oct 30 Nov 30 Dec 30 Annual NA Ann-NCDC NA ------------------