June 1998
Text summary is followed by graphs!
WED, JUL 01, 1998 8:00 AM EDT
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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 June 1998.
Time is EDT.
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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 82 -2 69 +5 75.5 -1 10.5 NE 21 5.8NE PC HZ FROPA(AM)
2 89 +6 62 -1 75.5 +2 10.5 SSW19 3.1S PC HZ
3 93 +12 66 +3 79.5 +7 14.5 0.26 N 24 5.9W PC HZ HOT TSRA FROPA
4 81 +1 63 0 72.0 0 7.0 T SW 16 3.8NNE PC -SHRA HZ
5 76 -5 67 +4 71.5 -1 6.5 T NE 17 3.4N C SHRA FROPA
6 73 -9 62 -2 67.5 -5 2.5 N 17 3.6N PC
7 73 -10 62 -3 67.5 -6 2.5 N 21 5.5N PC
8 76 -9 52 -13 64.0 -11 1.0 N 22 4.3N SU
9 77 -6 60 -6 68.5 -6 3.5 0.20 N 14 1.7N PC -SHRA(PM)
10 77 -6 60 -5 68.5 -6 3.5 0.13 NE 13 2.8NE PC BR SHRA
11 80 -3 65 +2 72.5 0 7.5 NNE15 1.9NNE C BR HUMID
12 93 +8 69 +5 81.0 +7 16.0 0.20 SSW21 4.3SSW PC BR SHRA HZ DSTLTG
13 92 +8 66 +1 79.0 +5 14.0 0.20 N 32 4.8SW PC BR -SHRA TSRA FROP
14 86 +1 62 -2 74.0 -1 9.0 SW 19 5.0SW PC WARMFROPA
15 91 +4 71 +5 81.0 +5 16.0 0.30 SSW20 4.7SSW PC SHRA(AM) TSRA BR
16 95 +9 70 +3 82.5 +6 17.5 0.20 SSW46 5.4SW PC TSRA(EVE) HOT HUMID
17 88 +3 69 +2 78.5 +3 13.5 0.02 W 20 3.9W PC FROPA SHRA
18 90 +3 70 +2 80.0 +3 15.0 N 17 4.7N SU HOT HZ
19 81 -5 71 +3 76.0 -1 11.0 0.28 N 15 3.4SW PC HZ TSRA BR
20 89 +2 69 0 79.0 +1 14.0 N 16 2.8N SU HZ
21 92 +5 74 +7 83.0 +6 18.0 W 17 2.6SW PC HZ
22 92 +5 74 +6 83.0 +6 18.0 SSW18 1.7NNE PC HZ HUMID
23 90 +4 77 +9 83.5 +6 18.5 T N 16 2.9N PC BR HZ DST LTG -SHRA
24 84 -1 75 +8 79.5 +3 14.5 0.13 N 17 3.2NNE PC SHRA BR HZ
25 91 +6 73 +6 82.0 +6 17.0 N 14 2.6NNE SU HZ HOT HUMID
26 98 +12 73 +5 85.5 +9 20.5 SSW19 5.4SW SU HZ VERY HOT HUMID
27 97 +10 79 +11 88.0 +10 23.0 W 20 5.1W PC HZ HOT HUMID
28 82 -6 71 +4 76.5 -1 11.5 1.33 N 24 3.1NE PC HZ BR TSRA(AM) FROPA
29 90 +2 70 +3 80.0 +2 15.0 0.02 SW 19 3.3SW PC SHRA (AM)
30 96 +9 74 +5 85.0 +7 20.0 0.08 SSW27 7.8SW PC -SHRA BREEZY
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SUMMARY OF JUNE 1998:
TEMPERATURE:
Monthly mean: High = 86.5 Low = 68.2 Mean = 77.3
Departure < Normal: High = +1.6 Low = +2.3 Mean = +1.9
Degree Days: Heating = 1.0 Cooling = 370.5
Number of Days Using: Heating = 1 Cooling = 29
Days with maximum temperature >= 90: 14
Days with maximum temperature <= 32: 0
Days with minimum temperature <= 32: 0
Days with minimum temperature <= 0: 0
PRECIPITATION:
Total month = 3.35" Departure from Normal = - 0.17"
Normal month (to date) 3.52" or 95%
Average daily = 0.11"
Normal daily = 0.12"
Number of days with measurable precipitation = 13
Year-to-date = 29.18" Departure = + 6.13" or 127% of normal
Maximum for June = 7.56" in 1978 --> (Since
Minimum for June = 0.94" in 1980 --> (1977)
Number of days with 0.01" or more: 13 Snowfall
Number of days with 0.10" or more: 10 June total = 0.00"
Number of days with 0.50" or more: 1 June max = 0.00" in
Number of days with 1.00" or more: 1 ----
DAILY EXTREMES: Low temperature = 52 on the 8th
High temperature = 98 on the 26th
Maximum daily precipitation = 1.33" on the 28th
Maximum 24-hour rainfall = 1.35" on the 28th-29th
Maximum wind gust = SSW 46 MPH on the 16th
Maximum barometric pressure = 30.215" on the 8th
Minimum barometric pressure = 29.485" on the 15th
NUMBER OF:
Days Cloudy: 2 Days with thunderstorms: 6
Days Partly Cloudy: 23 # of Thunderstorms: 6
Days Clear/Sunny: 5 Days with some type of snowfall: 0
Days with Fog/Ground Fog: 9
Days with Dense Fog: 0
Days with Frost: 0
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YEAR-TO-DATE: (through June 30th, 1998)
Temperatures Degree Days Precipitation
Mean maximum: 67.7 (+2.4) Heating: Aqueous: 29.18" (DEP +6.13") 127%
Mean minimum: 50.5 (+4.5) 1728.0 Maximum monthly: 7.60"/FEB.
Mean monthly: 59.1 (+3.4) Cooling: Minimum monthly: 3.90"/MAR.
654.5
Highest: 98, June 26
Snowfall: 0.00"
Lowest: 24, January 1 Maximum daily: 0.00"
Days with max temperature >= 90: 20 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: 68 or 37.6%
Days using Heating: 112
Days using Cooling: 68 Days with thunderstorms: 16
Days Cloudy: 37 Number of thunderstorms: 17
Days Partly Cloudy: 108
Days Clear/Sunny: 36 Greatest 24-hour period
Days with fog/ground fog: 79 rainfall: 3.86"/FEB. 4th
Wind (Highest Gust): SE 53 miles per hour, January 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
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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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