Station Name: OMAHA/NORTH, NE WMO Station Number: 72553 National I.D. Number: 00256260 Country: UNITED STATES OF AMERICA WMO Region: REGION IV - NORTH & CENTRAL AMERICA Latitude: 41d 22m N Longitude: 096d 01m W Elevation: 399 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 -6.4 30 Feb -3.4 30 Mar 3.2 30 Apr 10.8 30 May 16.9 30 Jun 22.2 30 Jul 24.7 30 Aug 23.3 30 Sep 18.2 30 Oct 12.0 30 Nov 3.7 30 Dec -4.2 30 Annual 10.1 30 Ann-NCDC 10.1 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 1963 1963 1961 eyr: 1990 1990 1990 1990 Statistic: MEAN MAX_VAL DATEMAX #_YEARS Month ------------------------------------------ Jan -1.3 18.9 198124 30 Feb 1.7 24.4 197228 30 Mar 8.7 31.1 198629 30 Apr 16.9 35.6 198922 30 May 22.7 37.8 196725 30 Jun 28.0 40.0 198821 30 Jul 30.3 40.0 199002 30 Aug 28.9 41.1 198316 30 Sep 23.8 37.2 197107 30 Oct 17.8 33.9 196305 30 Nov 8.7 26.1 198006 30 Dec .5 18.3 198428 30 Annual 15.6 NA NA 30 Ann-NCDC 15.6 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 1963 1963 1961 eyr: 1990 1990 1990 1990 Statistic: MEAN MIN_VAL DATEMIN #_YEARS Month ------------------------------------------ Jan -11.6 -30.0 198210 30 Feb -8.6 -28.9 198111 30 Mar -2.3 -25.0 197804 30 Apr 4.6 -8.9 198206 30 May 11.0 -3.9 196702 30 Jun 16.3 5.6 198201 30 Jul 19.2 6.7 197130 30 Aug 17.7 6.7 198628 30 Sep 12.6 -2.2 198429 30 Oct 6.1 -8.9 197219 30 Nov -1.3 -23.9 196430 30 Dec -8.9 -31.7 198922 30 Annual 4.6 NA NA 30 Ann-NCDC 4.6 NA NA NA ------------------------------------------ Element 04: Wet Bulb Temperature (deg C) SD3HRLY (Statistic 60): Standard Deviation of 3-Hourly Values ------------------ byr: 1984 eyr: 1990 Month ------------------ Jan 6.6 Feb 7.2 Mar 6.2 Apr 5.9 May 4.1 Jun 3.9 Jul 3.0 Aug 3.6 Sep 5.0 Oct 4.9 Nov 6.5 Dec 7.4 Annual 10.8 Ann-NCDC NA ------------------ Element 05: Dew Point Temperature (deg C) SD3HRLY (Statistic 60): Standard Deviation of 3-Hourly Values ------------------ byr: 1984 eyr: 1990 Month ------------------ Jan 7.4 Feb 7.9 Mar 6.7 Apr 7.0 May 5.3 Jun 4.7 Jul 3.2 Aug 4.1 Sep 5.7 Oct 5.7 Nov 7.1 Dec 8.8 Annual 11.7 Ann-NCDC 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 16.5 0.0 5.8 10.9 16.8 25.7 47.0 30 Feb 19.8 2.3 6.1 11.9 19.3 31.2 72.6 30 Mar 54.1 1.8 19.3 34.8 53.6 82.8 133.9 30 Apr 69.6 8.6 32.5 50.8 71.4 101.6 180.8 30 May 110.7 14.0 66.0 90.4 115.8 150.9 228.6 30 Jun 99.1 24.1 56.4 79.2 103.4 136.9 207.3 30 Jul 83.1 2.5 32.3 55.6 83.6 125.7 184.9 30 Aug 81.8 16.0 34.3 56.9 83.1 122.2 201.2 30 Sep 92.7 24.4 44.7 68.8 95.5 134.4 358.1 30 Oct 61.2 2.0 20.1 37.6 59.9 95.3 135.6 30 Nov 34.3 0.8 7.4 17.3 31.2 55.4 129.8 30 Dec 23.6 3.3 9.4 16.0 23.9 35.6 113.0 30 Annual 746.5 NA NA NA NA NA NA 30 Ann-NCDC 746.5 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: 1963 1963 1963 eyr: 1990 1990 1990 Statistic: MAX_DLY DATEMAX #_YEARS Month ---------------------------------- Jan 23.9 198222 24 Feb 22.6 197122 24 Mar 51.8 198219 24 Apr 54.9 198603 22 May 78.7 198726 23 Jun 54.9 196324 25 Jul 94.5 197717 25 Aug 70.6 196620 25 Sep 134.9 196507 25 Oct 67.8 196816 25 Nov 54.9 198327 25 Dec 67.6 198415 25 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: 1963 1963 1963 1963 1963 1963 1963 eyr: 1990 1990 1990 1990 1990 1990 1990 Statistic: MEDIAN MAX_DLY DATEMAX MEANMLY QUAR25% QUAR75% #_YEARS Month ------------------------------------------------------------------ Jan 12.2 21.8 197103 15.7 8.6 21.1 24 Feb 8.9 21.3 197122 14.5 6.6 16.8 24 Mar 13.5 23.9 198728 15.5 3.8 21.8 24 Apr .3 10.2 198313 3.0 Trace 3.0 22 May .0 1.8 196703 * .0 .0 23 Jun .0 .0 199030 .0 .0 .0 25 Jul .0 .0 199031 .0 .0 .0 25 Aug .0 .0 199031 .0 .0 .0 25 Sep .0 .8 198529 * .0 .0 25 Oct Trace 13.2 198027 1.3 .0 1.0 25 Nov 7.1 21.6 198327 8.1 .5 13.2 25 Dec 15.7 20.1 196906 16.3 8.4 21.3 25 Annual NA NA NA 74.4 NA NA NA Ann-NCDC NA NA NA 74.4 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 56.0 167.8 Feb 53.0 157.6 Mar 56.0 206.4 Apr 58.0 230.1 May 62.0 277.1 Jun 69.0 314.0 Jul 72.0 332.5 Aug 69.0 296.3 Sep 66.0 245.5 Oct 63.0 217.5 Nov 50.0 148.0 Dec 47.0 134.1 Annual 61.0 2726.9 Ann-NCDC NA 2726.9 -------------------------- 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 29 May 29 Jun 29 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 4.8 30 Feb 5.1 30 Mar 5.3 30 Apr 5.0 30 May 5.0 30 Jun 4.4 30 Jul 3.9 30 Aug 4.0 30 Sep 4.1 30 Oct 4.2 30 Nov 5.1 30 Dec 5.2 30 Annual 4.7 NA Ann-NCDC 4.7 NA -------------------------- Element 51: Number Days with Thunder (count) MEANMLY (Statistic 15): Mean Monthly Value ------------------ byr: 1963 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: 1963 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: 1963 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: 1963 1963 eyr: 1990 1990 Qualifier: 10.0 35.0 Month -------------------------- Jan 2.4 .0 Feb 4.0 .0 Mar 13.8 .0 Apr 24.7 * May 30.6 .2 Jun 30.0 1.7 Jul 31.0 3.3 Aug 31.0 2.4 Sep 29.8 .5 Oct 27.7 .0 Nov 13.2 .0 Dec 3.8 .0 Annual 242.0 8.1 Ann-NCDC 242.0 8.1 -------------------------- 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: 1963 1963 eyr: 1990 1990 Qualifier: 0.0 10.0 Month -------------------------- Jan 30.0 31.0 Feb 25.8 28.0 Mar 19.8 30.3 Apr 6.8 26.3 May .3 14.3 Jun .0 2.0 Jul .0 .2 Aug .0 .7 Sep .1 8.9 Oct 3.9 24.7 Nov 18.4 29.5 Dec 29.4 31.0 Annual 134.5 226.9 Ann-NCDC 134.5 226.9 -------------------------- Element 95: Number Days with Precipitation GE Threshold (count) Qualifier: 1.0 mm MEANMLY (Statistic 15): Mean Monthly Value ------------------ byr: 1963 eyr: 1990 Month ------------------ Jan 3.7 Feb 3.9 Mar 5.9 Apr 8.0 May 9.2 Jun 8.2 Jul 7.4 Aug 6.8 Sep 7.5 Oct 5.2 Nov 4.2 Dec 4.4 Annual 74.4 Ann-NCDC 74.4 ------------------ Element 97: Number Days with Freezing Rain/Drizzle (count) MEANMLY (Statistic 15): Mean Monthly Value ------------------ byr: 1963 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: 1963 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: 1963 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: 1963 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: 1963 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: 1963 eyr: 1990 Month ------------------ Jan 14 Feb 13 Mar 13 Apr 12 May 13 Jun 14 Jul 14 Aug 14 Sep 14 Oct 14 Nov 14 Dec 14 Annual NA Ann-NCDC NA ------------------