----------------------------------------------------------------------------- MONTHLY SUMMARY OF CLIMATOLOGICAL DATA - PORTSMOUTH, VIRGINIA Portsmouth Weather Records Service Portsmouth, Virginia 23702-2017 (3 miles south/West Cradock Section) 7:15 PM EST, Friday, March 31, 1995 ----------------------------------------------------------------------------- Monthly summary of Local Climatological Data for Portsmouth, Virginia, West Cradock Section, during the month of March, 1995. Time is EST. ----------------------------------------------------------------------------- D HT DN LT DN MT DN HDD CDD PREC HB LB WD WS SC WXR TYPE/REMARKS ----------------------------------------------------------------------------- 1 59 7 42 9 50.5 8 14.5 .50 018 001 N 24 C F R L FROPA 2 43 -13 35 -1 39.0 -7 26.0 039 018 N 34 PC WINDY COLDER 3 42 -12 33 -4 37.5 -8 27.5 .08 049 037 NNE18 C SW-(TRACE)R- WETS- 4 45 -12 38 0 41.5 -6 23.5 .04 046 038 N 16 C F R- DAMP COOL 5 51 -8 40 -1 45.5 -4 19.5 048 029 NE 14 PC 6 57 2 44 6 50.5 4 14.5 .36 029 021 SW 14 PC F+ R- 7 77 20 48 11 62.5 15 2.5 030 012 SSW21 PC F+ WARM 8 75 18 39 1 57.0 10 8.0 1.30 012 971 N 31 C RW F FROPA R- 9 43 -13 32 -5 37.5 -9 27.5 .01 043 993 N 30 PC R- F (AM) COLDER 10 43 -16 28 -9 35.5 -12 29.5 060 043 N 21 -PC COLD 11 63 4 29 -8 46.0 -2 19.0 057 043 SW 16 SU FR-(AM) MILDER 12 71 12 39 0 55.0 6 10.0 055 047 ENE16 SU 13 72 9 40 -1 56.0 4 9.0 057 043 SW 12 SU PLEASANT 14 72 13 43 3 57.5 8 7.5 042 030 N 14 PC GF (AM) F+ (PM) 15 71 9 49 10 60.0 10 5.0 030 014 SE 11 PC F+ (AM) 16 82 23 49 11 65.5 17 0.5 014 000 WSW19 SU MILD 17 81 18 59 20 70.0 19 5.0 007 994 WNW17 -PC WARM FROPA (PM) 18 59 0 39 -1 49.0 -1 16.0 017 004 NNE26 -PC COOLER 19 59 1 37 -2 48.0 -1 17.0 017 010 E 15 SU PLEASANT 20 73 13 41 5 57.0 9 8.0 014 985 S 16 -PC MILD AFTERNOON 21 73 12 55 15 64.0 13 1.0 .33 985 962 W 31 PC RW FROPA MILD 22 75 15 50 12 62.5 14 2.5 975 950 NW 27 PC FROPA 23 50 -11 41 2 45.5 -4 19.5 .20 977 961 ENE14 PC FROPA DSTLTG RW F 24 59 -3 43 1 51.0 -1 14.0 995 975 NNW24 PC F (AM) 25 58 -2 40 -1 49.0 -1 16.0 012 995 N 23 SU CHILLY 26 66 5 46 5 56.0 5 9.0 022 009 N 16 -PC PLEASANT 27 58 -6 48 6 53.0 0 12.0 .02 010 002 E 19 PC RW F 28 59 -7 43 -2 51.0 -4 14.0 .02 002 995 N 15 PC RW- 29 65 -5 40 -5 52.5 -5 12.5 015 006 SE 16 PC 30 66 -2 46 -3 56.0 -3 9.0 010 992 NNE16 PC FROPA 31 61 -6 43 -3 52.0 -4 13.0 T 006 991 NNE20 PC RW- (AM) ----------------------------------------------------------------------------- SUMMARY OF MARCH 1995: TEMPERATURE: Monthly mean: High = 62.2 Low = 41.9 Mean = 52.0 Departure < Normal: High = +2.1 Low = +2.3 Mean = +2.1 Degree Days: Heating = 407.0 Cooling = 5.5 Number of Days Using: Heating = 29 Cooling = 2 Days with maximum temperature >= 90: 0 Days with maximum temperature <= 32: 0 Days with minimum temperature <= 32: 3 Days with minimum temperature <= 0: 0 PRECIPITATION: Total month = 2.86" Normal month = 4.43" Departure < Normal = -1.57" or 64% Normal Average daily = 0.09" Normal daily = 0.14" Number of days with measurable precipitation = 10 Maximum for March = 10.96" in 1994 --> (Since Minimum for February = 0.89" in 1986 --> 1976) Number of days with 0.01" or more: 10 Snowfall Number of days with 0.10" or more: 5 March total = TRACE Number of days with 0.50" or more: 2 March maximum = 14.00" Number of days with 1.00" or more: 1 in 1980 DAILY EXTREMES: Low temperature = 28 on the 10th High temperature = 82 on the 16th Maximum daily precipitation = 1.30" on the 8th Maximum 24-hour rainfall = 1.31" on the 8th - 9th Maximum wind gust = 34 mph from the N on the 2nd High barometer = 30.60" on the 10th Low barometer = 29.50" on the 22nd NUMBER OF: Days Cloudy: 4 Days with thunderstorms: 0 Days Partly Cloudy: 21 Thunderstorms: 0 Days Clear/Sunny: 6 Days with some type of snowfall: 1 Days with Fog/Ground fog: 10 --------------------------------------------------------------------------- YEARLY-TOTALS-TO-DATE Temperatures Degree Days Precipitation Mean maximum: 54.7 (+1.9) Heating: 1713.5 Aqueous: 8.59" (-3.24") Mean minimum: 37.3 (+2.9) Cooling: 6.5 Maximum monthly: 3.47"/FEB. Mean monthly: 46.0 (+2.4) Minimum monthly: 2.26"/JAN. Highest: 82, March 16th Snowfall: 0.20" Lowest: 13, February 6th and 7th Maximum daily: 0.20"/FEB. 8 Days with maximum temperature >= 90: 00 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: 27 or 30% Days using Heating: 86 Days using Cooling: 3 Days with thunderstorms: 2 Days Cloudy: 16 Number of thunderstorms: 2 Days Partly Cloudy: 56 Days Clear/Sunny: 18 Greatest 24-hour period Days with fog/ground fog: 34 rainfall: 2.23"/Feb. 15-16 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; YR, year; NORM, normal; DSNT 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. -----------------------------------------------------------------------------