November 1998
Graphs follow the text summary!
SAT, DEC 12, 1998 12:40 PM EST
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MONTHLY SUMMARY OF CLIMATOLOGICAL DATA - PORTSMOUTH, VIRGINIA
Portsmouth Weather Records Service
Portsmouth, Virginia 23702-2017
(3 miles south / West Cradock Section)
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Monthly summary of Local Climatological Data for Portsmouth,
Virginia, West Cradock Section, during the month of November 1998.
Time is EST.
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D HT DN LT DN MT DN HDD CDD PREC WD WS WAS SC WXR TYPE/REMARKS
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1 65 -2 43 -8 54.0 -5 11.0 N 15 N2.0 SU COOL
2 63 -5 46 -5 54.5 -5 10.5 0.06 NNE12 NW1.2 PC SHRA(AFT & EVE)
3 56 -10 49 +2 52.5 -4 12.5 1.05 N 16 NNE4.9 C SHRA RA BR DZ
4 52 -14 47 +1 49.5 -7 15.5 0.01 N 20 N6.5 C DZ -RA BR COOL FROPA
5 50 -14 43 -4 46.5 -9 18.5 N 20 NNE6.2 PC COLD
6 51 -12 42 -3 46.5 -8 18.5 N 21 N6.3 PC COLD
7 54 -9 37 -6 45.5 -8 19.5 N 18 N2.7 SU CHILLY
8 54 -9 35 -8 44.5 -9 20.5 W 10 SSW1.3 C -FROST CHILLY -BR
9 60 -4 48 +4 54.0 0 11.0 T W 12 NNE1.0 PC BR HZ -SHRA FU
10 72 +6 44 -2 58.0 +2 7.0 S 19 SSE4.1 PC FU BR BREEZY (EVE)
11 76 +14 49 +5 62.5 +10 2.5 0.12 SSW28 S6.5 PC BR SHRA FROPA
12 56 -1 42 0 49.0 -1 16.0 N 19 N2.5 PC COOLER -BR
13 56 -3 43 +3 49.5 0 15.5 T NNW10 N0.7 PC -BR -SHRA
14 58 -2 42 +1 50.0 -1 15.0 T SSW17 SSW3.1 C BR -SHRA
15 70 +8 49 +5 59.5 +6 5.5 0.01 WNW18 N4.0 PC BR -SHRA FROPA
16 67 +6 49 +6 58.0 +6 7.0 0.07 SSE15 SSE3.6 PC SHRA BR
17 71 +10 56 +13 63.5 +12 1.5 T WNW22 N4.9 PC -SHRA MILD -BR
18 56 -6 45 +4 50.5 -1 14.5 NNE17 NNE4.3 PC COOL
19 68 +7 41 0 54.5 +3 10.5 0.01 S 20 S3.0 PC -SHRA(EVE) BR
20 71 +8 54 +10 62.5 +9 2.5 0.11 N 24 SSW5.1 PC SHRA +FG FROPA
21 57 -4 46 +5 51.5 0 13.5 NW 21 N5.3 PC BREEZY COOLER
22 55 -3 39 -2 47.0 -3 18.0 N 13 N3.0 SU COOL
23 68 +9 40 -1 54.0 +4 11.0 SW 21 SSW5.3 PC -GF MILD (AFT)
24 66 +6 44 +2 55.0 +4 10.0 N 16 N3.5 -PC FROPA(AM)
25 62 +4 39 0 50.5 +2 14.5 SE 14 SE3.0 PC
26 65 +3 53 +12 59.0 +8 6.0 0.40 W 30 W7.8 PC TSRA FROPA BREEZY
27 66 +2 45 0 55.5 +1 9.5 NW 24 W5.5 SU PLEASANT
28 68 +2 40 -6 54.0 -2 11.0 SSW15 SSW2.3 SU PLEASANT
29*74 +15 47 +6 60.5 +10 4.5 WSW16 S4.2 SU PLEASANT
30 75 +20 51 +13 63.0 +16 2.0 SW 22 SSW6.8-PC PLEASANT
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SUMMARY OF NOVEMBER 1998:
TEMPERATURE:
Monthly mean: High = 62.7 Low = 44.9 Mean = 53.8
Departure < Normal: High = +0.7 Low = +1.5 Mean = +1.1
Degree Days: Heating = 335.0 Cooling = 0.0
Number of Days Using: Heating = 30 Cooling = 0
Days with maximum temperature >= 90: 0
Days with maximum temperature <= 32: 0
Days with minimum temperature <= 32: 0
Days with minimum temperature <= 0: 0
PRECIPITATION:
Total month = 1.84" Departure from Normal = -1.55
Normal month (to date) = 3.39" or 54%
Average daily = 0.06"
Normal daily = 0.11"
Number of days with measurable precipitation = 9
Year-to-date = 44.86" Departure = + 1.13" or 103% of normal
Maximum for November= 6.22" in 1985 --> (Since
Minimum for November= 1.18" in 1993 --> (1976)
Number of days with 0.01" or more: 9 Snowfall
Number of days with 0.10" or more: 4 November total = 0.00"
Number of days with 0.50" or more: 1 November max = 1.80" in
Number of days with 1.00" or more: 1 1987
DAILY EXTREMES: Low temperature = 35 on the 8th
High temperature = 76 on the 11th
Maximum daily precipitation = 1.05" on the 3rd
Maximum 24-hour rainfall = 1.11" on the 2nd - 3rd
Maximum barometric pressure = 30.538" on the 22nd
Minimum barometric pressure = 29.819" on the 15th
WIND:
Maximum wind gust = W 30 MPH on the 26th
NUMBER OF:
Days Cloudy: 4 Days with thunderstorms: 1
Days Partly Cloudy: 20 # of Thunderstorms: 1
Days Clear/Sunny: 6 Days with some type of snowfall: 0
Days with Fog/Ground Fog: 15
Days with Dense Fog: 1
Days with Frost: 1
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YEAR-TO-DATE: (through November 30th, 1998)
Temperatures Degree Days Precipitation
Mean maximum: 72.8 (+1.7) Heating: Aqueous: 44.86" (DEP +1.12") 103%
Mean minimum: 55.7 (+3.2) 2172.5 Maximum monthly: 7.60"/FEB.
Mean monthly: 64.3 (+2.5) Cooling: Minimum monthly: 1.84"/NOV.
1925.0
Highest: 99, July 22
Snowfall: 0.00"
Lowest: 24, January 1 Maximum daily: 0.00"
Days with max temperature >= 90: 41 Maximum monthly: 0.00"
Days with max temperature <= 32: 0
Days with min temperature <= 32: 13 Days with some type of
Days with temperature <= 0: 0 snowfall: 2
Days with measurable
Number of: precipitation: 107 or 32.04%
Days using Heating: 165
Days using Cooling: 168 Days with thunderstorms: 27
Days Cloudy: 49 Number of thunderstorms: 30
Days Partly Cloudy: 205
Days Clear/Sunny: 80 Greatest 24-hour period
Days with fog/ground fog: 145 rainfall: 3.86"/FEB. 4th
Wind (Highest Gust): NNE 63 miles per hour, August 27th
Barometer: Highest 30.667" on January 1st
Lowest: 29.198" on February 4th
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METAR DENOTATIONS:
BC Patches
BL Blowing
BR Fog with visibilites > 5/8 but <=6 statute miles and below
to 5/8 mile
DU Dust (widespread)
DS Duststorm
DZ Drizzle
FC Funnel Cloud
FC+ Tornado/waterspout
FG Fog with visibility <= 5/8 statute miles
FU Smoke
FZDZ Freezing drizzle
FZRA Freezing rain
FZFG Freezing fog
GR Hail
GS Small hail
HZ Haze
IC Ice crystals
PE Ice pellets
PY Spray
RA Rain
SA Sand
SS Sandstorm
PO Sand or dust whirls
SG Snow granules
SH Shower
SHRA Shower of rain
SHSN Shower of snow
SHPE Shower of ice pellets
SHGR Shower with hail
SHGS Shower with small hail
SM Statute miles
SN Snow
SQ Squalls
TS Thunderstorm
TSGR Thunderstorm with hail
TSGS Thunderstorm with small hail
TSPE Thunderstorm with ice pellets
TSRA Thunderstorm with rain
TSSN Thunderstorm with snow
UP Unknown precipitation
VA Volcanic ash
VC Vicinity
VV Used for obscurred sky
METAR Qualifiers: (now placed in FRONT of code)
- Light
+ Heavy
DR Low drifting
M Below (as in -x.x degrees)
MI Shallow
PR Partial
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PWRS DENOTATIONS: SU/CL = Clear sky; PC = Partly cloudy sky; C =
cloudy sky; NA, not available; NR, not recorded; TEMP, temperature;
MAX, maximum; MIN, minimum; T, trace of precipitation; INOP,
inoperative 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; AFT afternoon hours;
EVE evening hours; PM evening hours; E estimated;
VBL, variable wind directions; TS, tropical storm; *New/tied record
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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 WAS Average Wind Speed & Dominant
Direction
HB High Barometer Reading (Inches)
DN Departure from Normal LB Low Barometer Reading (Inches)
SC Dominant Daily Sky Cover
HDD Heating Degree Days WXR TYPES Observed Weather
CDD Cooling Degree Days Conditions and Remarks
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NOTES: All temperatures are in degrees fahrenheit. All precipita-
tion measurements are in inches. All wind speeds are in miles per
hour.
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