MONTHLY SUMMARY OF CLIMATOLOGICAL DATA - PORTSMOUTH, VIRGINIA Portsmouth Weather Records Service Portsmouth, Virginia 23702-2017 (3 miles south/West Cradock Section) 11:30 AM EST, Saturday, February 4, 1995 ----------------------------------------------------------------------------- Monthly summary of Local Climatological Data for Portsmouth, Virginia, West Cradock Section, during the month of January, 1995. Time is EST. ----------------------------------------------------------------------------- D HT DN LT DN MT DN HDD CDD PREC HB LB WD WS SC WXR TYPE/REMARKS ----------------------------------------------------------------------------- 1 61 8 48 10 54.5 9 10.5 .05 011 999 WSW 23 PC F R-L- 2 49 0 32 -1 40.5 -1 24.5 029 988 NNW 24 PC FROPA COOL 3 44 -4 28 -4 36.0 -4 29.0 042 023 N 15 PC FR- 4 43 -5 30 -2 36.5 -3 28.5 029 013 N 18 -PC COLD FROPA 5 32 -13 19 -12 25.5 -13 39.5 053 029 N 26 SU COLD BREEZY 6 63 14 17 -14 40.0 0 25.0 .01 045 971 SSW 46 PC FR- WARMFROPA RW 7 64 14 42 8 53.0 11 12.0 .57 000 957 SSW 45 PC RW+ F FROP WINDY 8 43 -3 32 0 37.5 -1 27.5 029 000 N 24 -PC COOL 9 53 7 31 2 42.0 4 23.0 029 020 N 15 PC FR--(AM) FROPA 10 48 2 35 5 41.5 4 23.5 044 029 NNE 16 PC CHILLY 11 59 15 40 11 49.5 13 15.5 042 029 SE 12 PC MILDER FROPA 12 65 18 48 18 56.5 18 8.5 T 031 019 SW 12 PC R-F- MILD 13 74 27 49 18 61.5 22 3.5 .03 031 022 S 16 PC F RW- WARM 14 75 26 57 26 66.0 26 1.0 .01 024 005 S 27 PC F-RW- WARM 15 71 24 59 27 65.0 25 .31 005 981 SSE 36 PC RW F WARM WINDY 16 61 14 47 18 54.0 16 11.0 T 997 977 N 22 C FROP R-L-F WINDY 17 51 3 44 16 47.5 9 17.5 016 995 N 23 C BREEZY COLDER 18 51 1 45 12 48.0 7 17.0 T 027 015 N 18 C F L COOL DAMP 19 49 4 45 13 47.0 8 18.0 .13 021 967 N 17 C F L R- DAMP 20 58 9 41 11 49.5 10 15.5 .58 967 941 SW 32 PC F-R-TRW FROPA 21 52 6 36 6 44.0 5 21.0 980 956 WSW 22 SU BREEZY COLD 22 44 -2 30 1 37.0 -1 28.0 996 980 W 26 SU BRISK COLD 23 47 -2 30 0 38.5 -1 26.5 T 002 985 WNW 15 PC FR- VIRGA RW-SW- 24 43 -8 33 2 38.0 -3 27.0 016 988 NNW 25 PC FROPA COLD 25 46 -4 29 -3 37.5 -4 27.5 028 013 N 22 SU CHILLY 26 42 -6 27 -2 34.5 -4 30.5 023 012 N 19 SU FROPA(AM) COLD 27 46 -1 24 -5 35.0 -3 30.0 028 012 WSW 14 PC FR- 28 47 1 35 5 41.0 3 24.0 .15 012 990 NE 21 C R F FROPA 29 39 -9 33 5 36.0 -2 29.0 T 016 002 N 22 C S-R-F L- COLD 30 43 -7 36 6 39.5 -1 25.5 .42 010 980 N 22 C L-R F WET S- 31 49 -1 30 -3 39.5 -2 25.5 .00 002 985 SW 19 SU FR+(AM) ----------------------------------------------------------------------------- SUMMARY OF JANUARY 1995: TEMPERATURE: Monthly mean: High = 52.0 Low = 36.5 Mean = 44.3 Departure < Normal: High = +4.0 Low = +5.7 Mean = +4.9 Degree Days: Heating = 644.0 Cooling = 1.0 Number of Days Using: Heating = 29 Cooling = 1 Days with maximum temperature >= 90: 00 Days with minimum temperature <= 32: 13 Days with minimum temperature <= 0: 00 PRECIPITATION: Total month = 2.26" Normal month = 4.00" Departure < Normal = -1.74" or 56% Normal Average daily = 0.07" Normal daily = 0.13" Number of days with measurable precipitation = 10 Maximum for January = 11.12" in 1987 --> (Since Minimum for January = 1.07" in 1981 --> 1976) Number of days with 0.01" or more: 10 Snowfall Number of days with 0.10" or more: 6 January total = TRACE Number of days with 0.50" or more: 2 January maximum = 8.90" Number of days with 1.00" or more: 0 in 1980 DAILY EXTREMES: Low temperature = 17 on the 6th High temperature = 75 on the 14th Maximum daily precipitation = 0.58" on the 20th Maximum 24-hour rainfall = 0.71" on the 19th - 20th Maximum wind gust = 46 mph from the SSW on the 6th High barometer = 30.53" on the 5th Low barometer = 29.41" on the 20th NUMBER OF: Days Cloudy: 7 Days with thunderstorms: 1 Days Partly Cloudy: 18 Thunderstorms: 1 Days Clear/Sunny: 6 Days with some type of snowfall: 3 Days with Fog/Ground fog: 13 --------------------------------------------------------------------------- YEARLY-TOTALS-TO-DATE Temperatures Degree Days Precipitation Mean maximum: 52.0 (+4.0) Heating: 644.0 Aqueous: 2.26" (-1.74") Mean minimum: 36.5 (+5.7) Cooling: 1.0 Maximum monthly: 2.26"/JAN. Mean monthly: 44.3 (+4.9) Minimum monthly: 2.26"/JAN. Highest: 75, January 14th Snowfall: TRACE Lowest: 17, January 6th Maximum daily: TRACE/JAN.29 Days with maximum temperature >= 90: 00 Maximum monthly: TRACE/JAN. Days with minimum temperature <= 32: 13 Days with some type of Days with temperature <= 0: 00 snowfall: 3 Days with measurable Number of: precipitation: 10 or 32% Days using Heating: 29 Days using Cooling: 1 Days with thunderstorms: 1 Days Cloudy: 7 Number of thunderstorms: 1 Days Partly Cloudy: 18 Days Clear/Sunny: 6 Greatest 24-hour period Days with fog/ground fog: 13 rainfall: 0.71"/Jan. 19-20 Wind (Highest Recorded Wind Gust): South-southwest 46 miles per hour, Jan. 6 Barometer: Highest 30.53" on January 5th; Lowest: 29.41" on January 20th ---------------------------------------------------------------------------- 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. -----------------------------------------------------------------------------