Monthly summary of Local Climatological Data for Portsmouth, Virginia West Cradock Section, during the month of January, 1994. Time is EST. ---------------------------------------------------------------------------- D HT DN LT DN MT DN HDD CDD PREC WS WD HB LB SC WXR TYPE/REMARKS ---------------------------------------------------------------------------- 1 50 -2 24 -12 37.0 -7 28.0 0.0 0.41 16 S 042 999 PC FR(AM) R F- 2 51 1 37 4 44.0 3 21.0 0.0 0.35 17 N 006 987 PC R F (AM) 3 46 -2 40 8 43.0 3 22.0 0.0 0.22 24 NNE 006 950 C R F L 4 51 3 39 6 45.0 5 20.0 0.0 0.42 50 SW 977 922 PC R F RW L FROPA 5 48 2 31 -1 39.5 0 25.5 0.0 0.00 23 W 027 977 SU 6 56 7 31 0 43.5 3 21.5 0.0 0.00 27 SW 029 005 PC FR-(AM) MILDER 7 68 17 47 13 57.5 15 7.5 0.0 0.00 29 SW 005 972 PC MILDER 8 61 14 30 -1 45.5 6 19.5 0.0 0.17 24 SW 022 970 PC R-F FROPA COLDER 9 35 -10 24 -4 29.5 -7 35.5 0.0 0.00 18 N 065 022 SU COLD 10 34 -11 26 -3 30.0 -7 35.0 0.0 0.00 20 N 080 065 -PC COLD 11 49 5 25 -3 37.0 1 28.0 0.0 T 13 N 067 043 PC FR-(AM) H RW- 12 51 5 41 12 46.0 8 19.0 0.0 0.77 17 N 032 981 C RW F+ R L 13 42 -3 39 8 40.5 2 24.5 0.0 T 16 N 994 970 C F L- 14 47 -1 26 -3 36.5 -2 28.5 0.0 0.41 24 WNW 981 955 PC R-(AM)F FROPA S (2 INCHES) 15 26 -19 11 -19 18.5 -19 46.5 0.0 0.10 25 W 045 981 PC S-(1 INCH) VIRGA 16 22 -23 8 -18 15.0 -21 50.0 0.0 0.00 19 NW 078 045 SU BITTER COLD 17 57 9 15 -12 36.0 -1 29.0 0.0 0.75 30 NW 068 974 PC WARM FROPA RF(PM) 18 44 -5 15 -16 29.5 -11 35.5 0.0 0.18 27 NW 041 975 PC FROPA R F SG S (0.6 INCH) 19 16 -28 5 -25 10.5 -26 54.5 0.0 T 22 NNW 071 041 PC BITTER COLD SW- (TRACE) 20 26 -21 10 -18 18.0 -19 47.0 0.0 T 16 N 068 059 PC SW--(PM) 21 29 -16 17 -12 23.0 -14 42.0 0.0 0.08 17 N 064 042 PC S SW-FR-(PM) (0.8 INCH) 22 51 4 17 -12 34.0 -4 31.0 0.0 0.00 20 W 042 023 PC FR-(AM) MILDER 23 56 7 27 -3 41.5 2 23.5 0.0 0.00 19 SW 035 016 -PC FR(AM) MILDER 24 66 13 44 13 55.0 13 10.0 0.0 0.00 24 WNW 024 012 SU MILDER 25 53 2 37 4 45.0 3 20.0 0.0 T 12 N 030 013 PC CHILLY R-- 26 52 3 35 6 43.5 5 21.5 0.0 T 22 N 047 008 PC R- FROPA L- 27 41 -6 38 8 39.5 1 25.5 0.0 0.40 22 NE 049 018 C R- L- F R 28 68 21 41 11 54.5 16 10.5 0.0 0.61 36 SSW 018 973 C R- L F RW 29 61 12 41 12 51.0 12 14.0 0.0 0.00 17 WSW 010 978 C FROPA 30 41 -9 32 2 36.5 -3 28.5 0.0 0.11 20 NE 023 008 C IP-S-R-F R IP S (1.8 INCHES) 31 34 -15 29 -3 31.5 -9 33.5 0.0 0.18 18 N 022 012 C S (0.7 INCH) GF ---------------------------------------------------------------------------- SUMMARY OF JANUARY, 1994: TEMPERATURE: Monthly mean: High = 46.2 Low = 28.5 Mean = 37.3 Departure < Normal: High = -1.5 Low = -1.9 Mean = -1.7 Degree Days: Heating = 858.0 Cooling = 00.0 Number of Days Using: Heating = 31 Cooling = 0 PRECIPITATION: Total month = 5.16" Normal month = 4.18" Departure < Normal = +0.98" or 123% Normal Average daily = 0.17" Normal daily = 0.13" Number of days with measurable precipitation = 15 Maximum for January = 11.12" in 1987 Minimum for January = 1.07" in 1981 Number of days with 0.01" or more: 15 Snowfall Number of days with 0.10" or more: 14 January total = 6.90" Number of days with 0.50" or more: 3 January maximum = 8.90" in Number of days with 1.00" or more: 0 1980 DAILY EXTREMES: Low temperature = 5 on the 19th High temperature = 68 on the 7th and 28th Maximum daily precipitation = 0.77" on the 12th Maximum 24-hour rainfall = 1.01" January 27-28th Maximum wind gust = 50 mph from the Southwest on the 4th High barometer = 30.80" on the 10th Low barometer = 29.22" on the 9th Number of Days with thundershowers/ Days Cloudy: 8 storms: 0 Days Partly Cloudy: 19 Number of thundershowers/ Days Clear/Sunny: 4 storms: 0 Days with Fog/Ground fog: 14 Days with some type of snowfall: 8 --------------------------------------------------------------------------- YEARLY-TOTALS-TO-DATE Temperatures Degree Days Precipitation Mean maximum: 46.2 (-1.5) Heating: 858.0 Aqueous: 5.16" (DN 0.98") Mean minimum: 28.5 (-1.9) Cooling: 000.0 Maximum monthly: 5.16"/JAN. Mean monthly: 37.3 (DN -1.7) Minimum monthly: 5.16"/JAN. Highest: 68, January 7th and 28th Snowfall: 6.90" 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: 19 Days with some type of Days with temperature <= 0: 00 snowfall: 8 Days with measurable precipitation: 15 or 48% Number of Days with thundershowers/ Days Cloudy: 8 storms: 00 Days Partly Cloudy: 19 Number of thundershowers/ Days Clear/Sunny: 4 storms: 00 Days with fog/ground fog: 14 Greatest 24-hour period rainfall: 1.01"/JAN. 27-28 Wind (Highest Recorded Wind Gust): Southwest 50 miles per hour, January 4th Barometer: Highest 30.80" on JAN. 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. -----------------------------------------------------------------------------