MONTHLY SUMMARY OF CLIMATOLOGICAL DATA - PORTSMOUTH, VIRGINIA Portsmouth Weather Records Service Portsmouth, Virginia 23702-2017 (3 miles south/West Cradock Section) 12:01 AM EST, Tuesday, March 1, 1994 Monthly summary of Local Climatological Data for Portsmouth, Virginia West Cradock Section, during the month of February, 1994. Time is EST. ---------------------------------------------------------------------------- D HT DN LT DN MT DN HDD CDD PREC WS WD HB LB SC WXR TYPE/REMARKS ---------------------------------------------------------------------------- 1 43 -7 28 -2 35.5 -5 29.5 T 14 SW 024 016 PC GF SW- (TRACE) 2 35 -17 22 -11 28.5 -14 36.5 0.08 20 N 026 017 PC GF S-(0.8") SW 3 50 -3 22 -10 36.0 -6 29.0 30 WSW 032 014 SU FR (AM) 4 58 7 28 -4 43.0 2 22.0 20 SW 038 014 SU FR (AM) 5 51 5 40 10 45.5 8 19.5 0.61 25 SW 014 987 C R F GF 6 54 9 36 6 45.0 7 20.0 12 W 011 995 PC GF+(PATCHY AM) 7 61 16 30 0 45.5 8 19.5 12 SW 022 004 -PC FR (AM) 8 66 20 41 12 53.5 16 11.5 33 SW 024 980 C BREEZY 9 71 22 33 5 52.0 14 13.0 0.32 27 SW 015 969 C FROPA RW F R 10 33 -15 25 -3 29.0 -9 36.0 0.25 24 NNE 052 015 C IP ZR-S- GL(0.3") 11 36 -14 32 3 34.0 -6 31.0 1.68 21 N 035 005 C ZR-IP-(TRACE) R F 12 34 -14 31 2 32.5 -6 32.5 T 18 NE 031 016 C L-F ZL-GL-(TRACE) 13 46 -1 33 4 39.5 1 25.5 T 19 WSW 018 997 C F L- FROPA 14 53 -1 30 -4 41.5 -2 23.5 23 WNW 033 013 SU FR-(AM) PLEASANT 15 63 9 30 -5 46.5 2 18.5 32 SW 032 012 -PC FR-(AM) BREEZY 16 56 4 32 -2 44.0 1 21.0 19 N 047 021 SU 17 61 9 26 -7 43.5 1 21.5 13 SSE 055 042 -PC FR-(AM) 18 70 19 31 -2 50.5 8 14.5 14 SSW 050 041 SU FR (AM) 19 69 15 36 0 52.5 8 12.5 16 SSE 051 040 SU PLEASANT 20 72 18 41 6 56.5 12 8.5 15 SSE 040 020 PC PLEASANT 21 72 14 50 15 61.0 15 4.0 T 26 N 020 000 PC F+ R- FROPA GF+ 22 53 -7 41 3 47.0 -2 18.0 19 NNE 031 012 PC F+ GF H- 23 62 4 43 2 52.5 3 12.5 0.15 17 NNW 022 976 C R- F FROPAS 24 61 6 43 6 52.0 6 13.0 0.65 32 SW 996 948 PC R F- BREEZY 25 58 8 31 -3 44.5 2 20.5 17 N 015 996 PC CHILLY 26 52 5 30 -3 41.0 1 24.0 33 N 021 968 SU FROPA WINDY 27 36 -14 24 -8 30.0 -11 35.0 23 N 040 021 SU BREEZY COLD DRY 28 42 -9 25 -7 33.5 -8 31.5 15 N 053 038 -PC COLD DRY ---------------------------------------------------------------------------- SUMMARY OF FEBRUARY 1994: TEMPERATURE: Monthly mean: High = 54.2 Low = 32.6 Mean = 43.4 Departure < Normal: High = +3.1 Low = +0.1 Mean = +1.6 Degree Days: Heating = 604.0 Cooling = 00.0 Number of Days Using: Heating = 28 Cooling = 0 PRECIPITATION: Total month = 3.74" Normal month = 3.41" Departure < Normal = +0.33" or 110% Normal Average daily = 0.13" Normal daily = 0.12" Number of days with measurable precipitation = 7 Maximum for February = 6.32" in 1989 Minimum for February = 1.20" in 1991 Number of days with 0.01" or more: 7 Snowfall Number of days with 0.10" or more: 6 February total = 1.10" Number of days with 0.50" or more: 3 February maximum = 21.00" in Number of days with 1.00" or more: 1 1989 DAILY EXTREMES: Low temperature = 22 on the 2nd and 3rd High temperature = 72 on the 20th and 21st Maximum daily precipitation = 1.68" on the 11th Maximum 24-hour rainfall = 1.93" February 10-11th Maximum wind gust = 33 mph from the Southwest on the 8th High barometer = 30.55" on the 17th Low barometer = 29.48" on the 24th Number of Days with thundershowers/ Days Cloudy: 8 storms: 0 Days Partly Cloudy: 12 Number of thundershowers/ Days Clear/Sunny: 8 storms: 0 Days with Fog/Ground fog: 12 Days with some type of snowfall: 5 --------------------------------------------------------------------------- YEARLY-TOTALS-TO-DATE Temperatures Degree Days Precipitation Mean maximum: 50.0 (+0.7) Heating: 1462.0 Aqueous: 8.90" (DN +1.31") Mean minimum: 30.4 (-1.0) Cooling: 000.0 Maximum monthly: 5.16"/JAN. Mean monthly: 40.2 (DN -0.1) Minimum monthly: 3.74"/FEB. Highest: 72, February 20th & 21st Snowfall: 8.00" Lowest: 5, January 19th Maximum daily: 2.00"/JAN.14 Days with maximum temperature >= 90: 00 Maximum monthly: 6.90"/JAN. Days with minimum temperature <= 32: 36 Days with some type of Days with temperature <= 0: 00 snowfall: 13 Days with measurable precipitation: 22 or 37% Number of Days with thundershowers/ Days Cloudy: 16 storms: 00 Days Partly Cloudy: 31 Number of thundershowers/ Days Clear/Sunny: 12 storms: 00 Days with fog/ground fog: 26 Greatest 24-hour period rainfall: 1.93"/FEB. 10-11 Wind (Highest Recorded Wind Gust): Southwest 50 miles per hour, January 4th Barometer: Highest 30.80" on January 10th; Lowest: 29.22" on January 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; PREC., precipitation; YR, year; NORM, normal; DST (with LTG), distant lightning; CLDFROPA or CFP, cold frontal passage; AM morning; PM afternoon hours; EVE evening hours; E estimated ----------------------------------------------------------------------------- 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 VBL Variable wind directions ----------------------------------------------------------------------------- NOTES: All temperatures are in degrees fahrenheit. All precipitation mea- surements are in inches. All wind speeds are in miles per hour. -----------------------------------------------------------------------------