Portsmouth Weather Records
Service
Local Climatological Data
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Station: PORTSMOUTH,
VIRGINIA
Month: SEPTEMBER Year: 2001 Latitude: 36° 81' N Longitude: 76° 33' W Station Elevation: 20 FT Standard Time: EASTERN DAYLIGHT TIME |
Temperature | Degree Days | Precipitation | Wind Sky | Weather | Peak Wind | ||||||||||
Date | Max | Min | Mn | Dep | HDD | CDD | Total | Snow | Depth | Avg | Dir | Type | Types | Speed | Dir |
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SHRA FROPA |
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SEABREEZE |
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TSRA +SHRA |
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Temperature Data
AVERAGE HIGH : 77.6º DEPARTURE: -3.2º AVERAGE LOW : 62.8º DEPARTURE: -1.3º MEAN: 70.2º DEPARTURE: -2.2º HIGHEST: 89° on
the 10th
Number of Days:
Heating Degree Days
Cooling Degree Days
NUMBER OF: 00 - Days Cloudy
11 - Days with Fog/Ground Fog
00 - Days with Frost 02 - Days with Thunderstorms
00 - Days with some type of Snowfall |
Precipitation Data
TOTAL FOR THE MONTH: 2.75" DEPARTURE FROM NORMAL: -1.87" or 60% GREATEST DAILY: 1.74" on the 24th GREATEST IN 24-HR PERIOD: 1.92" on the 24th-25th AVERAGE DAILY: 0.09" NORMAL DAILY: 0.15" # DAYS WITH MEASURABLE PRECIPITATION: 6 YEAR-TO-DATE: 28.87" DEPARTURE: -8.99" or 76% of the norm MAXIMUM FOR SEPTEMBER: 21.91" in 1999 --> (since
Snowfall, Ice Pellets
Number of Days:
Pressure Data
Wind
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YEAR-TO-DATE 2001 through 9/30
[next update 11/1/2001]
Temperature Data
AVERAGE HIGH : 71.1º DEPARTURE: -1.0º AVERAGE LOW : 54.3º DEPARTURE: +0.6º MEAN: 62.7º DEPARTURE: -0.2º HIGHEST: 96° on
the 9th and 10th of August
Number of Days:
Heating Degree Days
Cooling Degree Days
NUMBER OF: 031 - Days Cloudy
117 - Days with Fog/Ground Fog
12 - Days with Frost 24 - Days with Thunderstorms
05 - Days with some type of Snowfall |
Precipitation Data
TOTAL: 28.87" DEPARTURE FROM NORMAL: -8.99" or 76% GREATEST DAILY: 2.18" on the 16th of June GREATEST IN 24-HR PERIOD: 2.18" on the 16th of June AVERAGE DAILY: 0.11" NORMAL DAILY: 0.14" # DAYS WITH MEASURABLE PRECIPITATION: 88 or 32.23% MAXIMUM: 5.26" in June
Snowfall, Ice Pellets
Number of Days: WITH 0.01" OR MORE PRECIP: 88
Pressure Data
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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, inoper- ative 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; |
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 PL 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 V V Used for obscurred sky METAR Qualifiers: (now placed in FRONT of code) - Light + Heavy
DR Low drifting M Below ( -x.x degrees)
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