----------------------------------------------------------------------------- MONTHLY SUMMARY OF CLIMATOLOGICAL DATA - PORTSMOUTH, VIRGINIA Portsmouth Weather Records Service Portsmouth, Virginia 23702-2017 (3 miles south/West Cradock Section) 9:30 AM EDT, Tuesday, August 1, 1995 ----------------------------------------------------------------------------- Monthly summary of Local Climatological Data for Portsmouth, Virginia, West Cradock Section, during the month of July, 1995. Time is EDT. ----------------------------------------------------------------------------- D HT DN LT DN MT DN CDD PREC WD WS SC WXR TYPE/REMARKS ----------------------------------------------------------------------------- 1 91 +5 71 +2 81.0 +4 16.0 .31 SSW21 PC TRW HOT HUMID 2 83 -3 71 +2 77.0 -1 12.0 T N 14 PC H FROPA RW- 3 85 -3 67 -2 76.0 -3 11.0 NE 10 PC H WARM 4 91 +3 72 +2 81.5 +3 16.5 .19 SE 14 PC RW H 5 90 +2 73 +2 81.5 +2 16.5 .01 SSE 7 PC F RW H 6 93 +4 71 0 82.0 +2 17.0 10 PC H 7 90 0 71 0 80.5 0 15.5 T 18 PC H RW- 8 89 -1 70 +1 79.5 0 14.5 11 PC H 9 83 -8 71 0 77.0 -4 12.0 10 PC H 10 88 -2 65 -7 76.5 -5 11.5 8 PC H 11 88 -2 69 -3 78.5 -2 13.5 .42 PC TRW H 12 90 -1 70 -2 80.0 -2 15.0 PC H HOT HUMID 13 93 +2 68 -6 80.5 -2 15.5 SSE 8 SU H HOT HUMID 14 94 +3 71 -3 82.5 0 17.5 SSW17 SU HOT H- 15 98 +9 77 +4 87.5 +7 22.5 SSW17 SU H- HOT HUMID 16 97 +8 77 +5 87.0 +6 22.0 .07 NNE16 PC H HOT HUMID TRW 17 97 +8 76 +4 86.5 +6 21.5 SSW14 PC H HOT HUMID DST LTG 18 95 +6 75 +3 85.0 +4 20.0 SSW13 PC H HOT HUMID 19 92 +2 73 +2 82.5 +2 17.5 15 PC H 20 95 +4 71 0 83.0 +2 18.0 11 PC H 21 98 +7 74 +1 86.0 +4 21.0 .39 24 PC H TRW 22 92 +3 74 +1 83.0 +2 18.0 PC H 23 99 +12 75 +3 87.0 +8 22.0 16 PC H 24 101 +12 76 +5 88.5 +8 23.5 T 19 PC H RW- 25 95 +6 77 +5 86.0 +6 21.0 T PC H RW- 26 96 +7 76 +5 86.0 +6 21.0 SSW16 PC H 27 98 +9 76 +4 87.0 +6 22.0 .04 SW 22 PC H RW DST LTG 28 97 +9 74 +3 85.5 +6 20.5 SW 18 PC HOT BREEZY 29 97 +9 73 +3 85.0 +6 20.0 S 20 SU HOT BREEZY 30 94 +7 75 +5 84.5 +6 19.5 SW 13 PC HOT HUMID DST LTG 31 93 +4 71 0 82.0 +2 17.0 NE 12 PC GF H ----------------------------------------------------------------------------- SUMMARY OF JULY 1995: TEMPERATURE: Monthly mean: High = 93.0 Low = 72.6 Mean = 82.8 Departure < Normal: High = +3.9 Low = +1.1 Mean = +2.5 Degree Days: Heating = 0.0 Cooling = 551.0 Number of Days Using: Heating = 0 Cooling = 31 Days with maximum temperature >= 90: 25 Days with maximum temperature <= 32: 0 Days with minimum temperature <= 32: 0 Days with minimum temperature <= 0: 0 PRECIPITATION: Total month = 1.43" Departure < Normal = -3.29" Normal month = 4.72" or 30% Average daily = 0.05" Normal daily = 0.15" Number of days with measurable precipitation = 7 Maximum for July = 8.75" in 1991 --> (Since Minimum for July = 1.32" in 1978 --> 1976) Number of days with 0.01" or more: 7 Snowfall Number of days with 0.10" or more: 4 July total = 0.00" Number of days with 0.50" or more: 0 July maximum = 0.00" Number of days with 1.00" or more: 0 DAILY EXTREMES: Low temperature = 65 on the 10th High temperature = 101 on the 24th Maximum daily precipitation = 0.42" on the 11th Maximum 24-hour rainfall = 0.42" on the 11th Maximum wind gust = 24 mph on the 21st NUMBER OF: Days Cloudy: 0 Days with thunderstorms: 4 Days Partly Cloudy: 27 Thunderstorms: 4 Days Clear/Sunny: 4 Days with some type of snowfall: 0 Days with Fog/Ground fog: 2 --------------------------------------------------------------------------- YEARLY-TOTALS-TO-DATE Temperatures Degree Days Precipitation Mean maximum: 70.3 (+1.9) Heating: 1946.0 Aqueous: 23.49" (DEP -4.13") Mean minimum: 51.2 (+1.6) Cooling: 1047.0 Maximum monthly: 6.78"/JUNE Mean monthly: 60.8 (+1.7) Minimum monthly: 1.43"/JULY Highest: 101, July 24th Snowfall: 0.20" Lowest: 13, February 6th and 7th Maximum daily: 0.20"/FEB. 8 Days with maximum temperature >= 90: 32 Maximum monthly: 0.20"/FEB. Days with maximum temperature <= 32: 02 Days with minimum temperature <= 32: 25 Days with some type of Days with temperature <= 0: 00 snowfall: 5 Days with measurable Number of: precipitation: 63 or 30% Days using Heating: 117 Days using Cooling: 93 Days with thunderstorms: 16 Days Cloudy: 30 Number of thunderstorms: 18 Days Partly Cloudy: 147 Days Clear/Sunny: 35 Greatest 24-hour period Days with fog/ground fog: 55 rainfall: 3.06"/June 12-13 Wind (Highest Recorded Wind Gust): South-southwest 46 miles per hour, JAN. 6 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 mea- surements are in inches. All wind speeds are in miles per hour. -----------------------------------------------------------------------------