----------------------------------------------------------------------------- MONTHLY SUMMARY OF CLIMATOLOGICAL DATA - PORTSMOUTH, VIRGINIA Portsmouth Weather Records Service Portsmouth, Virginia 23702-2017 (3 miles south / West Cradock Section) ----------------------------------------------------------------------------- Monthly summary of Local Climatological Data for Portsmouth, Virginia, West Cradock Section, during the month of November, 1995. Time is EST. ----------------------------------------------------------------------------- D HT DN LT DN MT DN HDD CDD PREC WD WS SC WXR TYPE/REMARKS ----------------------------------------------------------------------------- 1 69 +3 60 +9 64.5 +6 0.5 0.44 SW 14 C RW L- F 2 75 +7 66 +15 70.5 +11 5.5 0.11 S 20 C F RW MILD DAMP 3 80 +12 50 +3 65.0 +8 0.53 N 33 PC F RW FROPA 4 50 -18 39 -8 44.5 -13 20.5 0.07 N 28 PC RW 5 49 -16 36 -12 42.5 -14 22.5 N 20 PC 6 53 -10 36 -8 44.5 -9 20.5 NE 14 -PC COOL 7 61 -2 40 -3 50.5 -2 14.5 0.76 SSW25 C RW F FROPA 8 57 -6 39 -4 48.0 -5 17.0 N 29 PC COLD 9 45 -20 32 -11 38.5 -16 26.5 NW 22 SU COLD 10 60 -7 31 -15 45.5 -11 19.5 -PC LIGHT FROST 11 72 +10 45 +1 58.5 +5 6.5 1.02 W 52 PC RW+ WINDY FROPA 12 49 -9 34 -9 41.5 -9 23.5 NW 26 SU COOL 13 58 -2 32 -9 45.0 -5 20.0 N 18 PC FROST FROPA 14 55 -6 40 -1 47.5 -4 17.5 0.32 NNE27 C R F L 15 51 -12 37 -7 44.0 -10 21.0 N 38 PC FROPA WINDY (AM) 16 51 -11 29 -15 40.0 -13 25.0 SW 22 PC FROST (AM) 17 50 -12 35 -8 42.5 -10 22.5 SW 17 PC 18 54 -9 34 -8 44.0 -8 21.0 SE 12 PC FR- (AM) 19 53 -9 42 0 44.5 -4 17.5 NNW28 PC F- FROPA (AM) 20 56 -7 35 -9 45.5 -8 19.5 SSE16 SU F (AM) FR- 21 62 +1 41 0 31.5 0 13.5 NW 28 SU FROPA (AM & PM) 22 45 -13 31 -10 38.0 -12 27.0 NW 27 SU WINDY (AM) COLD 23 61 +1 28 -12 45.0 -5 20.0 SW 26 -PC FR- (AM) 24 51 -9 42 0 46.5 -5 18.5 0.01 NNE24 C FROPA R-F- 25 48 -10 33 -7 40.5 -8 24.5 0.02 N 21 PC F-R- (AM) 26 57 -5 30 -11 43.5 -8 21.5 NR NR SU FROST 27 68 +3 45 0 56.5 +1 8.5 SW 36 PC BREEZY 28 74 +7 50 2 62.0 +4 3.0 SW 27 PC K- FROPA (EVE) 29 51 -8 38 -3 44.5 -6 20.4 0.05 NNE36 C R-F-L- WINDY RAW 30 43 -11 32 -5 37.5 -8 27.5 N 25 SU COLD ----------------------------------------------------------------------------- SUMMARY OF NOVEMBER 1995: TEMPERATURE: Monthly mean: High = 56.9 Low = 38.8 Mean = 47.9 Departure < Normal: High = -5.6 Low = -4.9 Mean = -5.2 Degree Days: Heating = 520.0 Cooling = 5.5 Number of Days Using: Heating = 28 Cooling = 1 Days with maximum temperature >= 90: 0 Days with maximum temperature <= 32: 0 Days with minimum temperature <= 32: 8 Days with minimum temperature <= 0: 0 PRECIPITATION: Total month = 3.33" Departure < Normal = -0.10" Normal month = 3.43" or 97% Average daily = 0.11" Normal daily = 0.11" Number of days with measurable precipitation = 10 Year-to-date = 40.95" Departure = -2.67" 94% of normal Maximum for November = 6.22" in 1985 --> (Since Minimum for November = 1.18" in 1993 --> 1976) Number of days with 0.01" or more: 10 Snowfall Number of days with 0.10" or more: 6 November total = 0.00" Number of days with 0.50" or more: 3 November maximum = 1.80" Number of days with 1.00" or more: 1 in 1987 DAILY EXTREMES: Low temperature = 29 on the 16th and 23rd High temperature = 80 on the 3rd Maximum daily precipitation = 1.02" on the 11th Maximum 24-hour rainfall = 1.02" on the 11th Maximum wind gust = W 52 mph on the 11th NUMBER OF: Days Cloudy: 6 Days with thunderstorms: 0 Days Partly Cloudy: 18 Thunderstorms: 0 Days Clear/Sunny: 6 Days with some type of snowfall: 0 Days with Fog/Ground fog: 10 --------------------------------------------------------------------------- YEARLY-TOTALS-TO-DATE (AS OF NOVEMBER 30, 1995): Temperatures Degree Days Precipitation Mean maximum: 72.0 (+1.1) Heating: 2584.5 Aqueous: 40.95" (DEP -2.67") Mean minimum: 53.2 (+0.8) Cooling: 1782.5 Maximum monthly: 8.08"/OCT. Mean monthly: 62.6 (+0.9) Minimum monthly: 1.33"/AUG. Highest: 101, July 24th Snowfall: 0.20" Lowest: 13, February 6th and 7th Maximum daily: 0.20"/FEB. 8 Days with maximum temperature >= 90: 48 Maximum monthly: 0.20"/FEB. Days with maximum temperature <= 32: 02 Days with minimum temperature <= 32: 33 Days with some type of Days with temperature <= 0: 00 snowfall: 5 Days with measurable Number of: precipitation: 99 or 30% Days using Heating: 163 Days using Cooling: 166 Days with thunderstorms: 20 Days Cloudy: 47 Number of thunderstorms: 22 Days Partly Cloudy: 223 Days Clear/Sunny: 64 Greatest 24-hour period Days with fog/ground fog: 87 rainfall: 3.50"/Oct. 21st Wind (Highest Recorded Wind Gust): West 52 miles per hour, NOV. 11 Barometer: Highest 30.60" on March 10th; Lowest: 29.33" on February 4th ---------------------------------------------------------------------------- DENOTATIONS (Weather/sky conditions) Intensity Markings A Hail GF Ground fog RW Rainshower Precipitation: AP Small hail GL Glaze S Snow - Light B Blowing H Haze SG Snow granules + Heavy C Cloudy IP Ice pellets SP Snow pellets Sky Condition: CL Clear K Smoke SU Sunny -Thin or Partial D Dust L Drizzle TRW Thundershower Departures from F Fog LTG Lightning T Thunderstorm Norms: FR Frost PC Partly Cloudy X Obscurred Sky - below; + above R Rain Y Spray ZL Freezing drizzle ZR Freezing rain ----------------------------------------------------------------------------- OTHER DENOTATIONS: NA, not available; NR, not recorded; TEMP, temperature; MAX, maximum; MIN, minimum; T, trace of precipitation; INOP, inopera- tive equipment; MPH, miles per hour; DN, departure from normal; DEP, departure; YR, year; NORM, normal; DST LTG, distant lightning; FROP or FROPA, frontal passage; AM morning; PM afternoon hours; EVE evening hours; E estimated; VBL, variable wind directions ----------------------------------------------------------------------------- COLUMN DENOTATIONS: D Date PREC Precipitation HT High Temperature WS Maximum Wind Speed (Gust) LT Low Temperature WD Direction of Maximum Wind Gust MT Mean Temperature HB High Barometer Reading (Inches) DN Departure from Normal of High, LB Low Barometer Reading (Inches) Low or Mean Temperature SC Dominant Daily Sky Cover HDD Heating Degree Days WXR TYPES Observed Weather Conditions CDD Cooling Degree Days and Remarks ----------------------------------------------------------------------------- NOTES: All temperatures are in degrees fahrenheit. All precipitation measurements are in inches. All wind speeds are in miles per hour. -----------------------------------------------------------------------------