March & Yearly 1999

Graphs follow the text summary!


SAT, APR 3, 1999 8:15 AM EST
  -------------------------------------------------------------------
  MONTHLY SUMMARY OF CLIMATOLOGICAL DATA - PORTSMOUTH, VIRGINIA
  Portsmouth Weather Records Service
  Portsmouth, Virginia    23702-2017
  (3 miles south / West Cradock Section)
  ------------------------------------------------------------------
  Monthly summary of Local Climatological Data for Portsmouth, 
  Virginia, West Cradock Section, during the month of March 1999.
  Time is EST.
  -----------------------------------------------------------------------------
  D HT  DN  LT  DN  MT    DN  HDD  CDD PREC WD WS WAS    SC WXR  TYPE/REMARKS
  -----------------------------------------------------------------------------
  1 52  -1  39  +4  45.5  +2 19.5           WSW32 W11.2  PC BREEZY COOLER
  2 60  +4  34  -4  47.0   0 18.0           W23   W6.2   SU
  3*74 +19  42  +5  58.0 +12  7.0       .05*S54   S11.3  PC FROPA SHRA
                       NEW STATION HIGH MAX TEMP / NEW STATION PEAK WIND GUST
  4 51  -5  39  +2  45.0  -2 20.0           SW36  W12.4  SU BREEZY COLDER
  5 49 -10  33  -7  41.0  -8 24.0           NNE17 NNE4.3 SU CHILLY
  6 68 +12  36  -3  52.0  +4 13.0       .01 SSW30 SSW8.0 PC -SHRA DST LTG
  7 57   0  31  -6  44.0  -3 21.0           N31   N11.3  SU FROPA(AM) COLD
  8 39 -17  27 -10  33.0 -13 32.0           N23   N6.5   SU COLD
  9 41 -14  30  -7  35.5 -10 29.5       .26 NE20  NE5.3   C S PE BR RA
                                                         TRACE S ACCUMULATION
 10 38 -19  35  -1  36.5 -10 28.5       .02 NW22  N8.4    C -RA DZ BR FROPA
 11 48 -10  32  -4  40.0  -7 25.0           N 24  N8.4   SU
 12 52  -5  34  -4  43.0  -4 22.0           N 26  N9.6   SU
 13 47 -14  35  -4  41.0  -9 24.0           N22   N5.9  -PC
 14 61  +1  39  -1  50.0   0 15.0      1.34 N25   NE5.0   C -RA BR TSRA FROPA
 15 44 -17  35  -5  39.5 -11 25.5       .52 NE22  N7.2   PC RA BR SHSN FROPA
 16 58   0  31  -7  44.5  -4 20.5           SW21  SSW6.6 SU
 17 76 +14  44  +5  60.0  +9  5.0           SSW20 SSW7.4 SU MILDER
 18 78 +18  48  +7  63.0 +12  2.0           WSW34 WSW9.2 SU WARM FROPA (EVE)
 19 58  -1  41   0  49.5   0 15.5           N20   N5.9   SU COOLER
 20 57  -2  39  +2  48.0   0 17.0           N16   N5.5   PC COOL
 21 62  +1  41  +1  51.5  +1 13.5       .27 NNW28 SE6.9   C SHRA BR FROPA
 22 56  -3  41  +2  48.5   0 16.5       .30 W30   WSW8.2 PC RA (AM) BR
 23 63  +3  38   0  50.5  +1 14.5           S16   SE3.7  PC
 24 75 +13  52 +10  63.5 +11  1.5         T WSW23 SSW5.7 PC -SHRA
 25 59  -2  47  +7  53.0  +2 12.0       .01 N19   N6.1   PC FROPA -SHRA
 26*47 -14  42   0  44.5  -7 20.5       .02 NNE19 NNE10.4 C -RA SHPE
                                         NEW STATION MINIMUM MAX TEMPERATURE
 27*43 -21  37  -5  40.0 -13 25.0       .45 NNE23 N9.2    C -RA-PE-WETSN BR
                                         NEW STATION MINIMUM MAX TEMPERATURE
 28 57  -8  38  -7  47.5  -8 17.5       .04 NW19  W6.1    C -RA BR
 29 70   0  43  -3  56.5  -2  8.5           N20   N4.3   SU
 30 66  -3  43  -6  54.5  -4 10.5           NNE18 NNE4.5 SU
 31 74  +7  41  -5  57.5  +1  7.5           S23   SSW7.1-PC
 ----------------------------------------------------------------------------
  SUMMARY OF MARCH 1999: 

  TEMPERATURE:

     Monthly mean:        High =  57.4   Low =   38.3  Mean =  47.8 
     Departure < Normal:  High = - 2.4   Low =  - 1.4  Mean = - 2.0

     Degree Days:            Heating =  531.5   Cooling =    0.0 
     Number of Days Using:   Heating =    31    Cooling =     0

     Days with maximum temperature >= 90:  0
     Days with maximum temperature <= 32:  0
     Days with minimum temperature <= 32:  5
     Days with minimum temperature <=  0:  0

  PRECIPITATION:

      Total  month =           3.29"    Departure from Normal =  - 1.01"
      Normal month (to date) = 4.30"                             or 76%
      Average daily =          0.11"        
      Normal daily =           0.14" 
      Number of days with measurable precipitation =  12
 
      Year-to-date = 8.47" Departure =  - 3.42" or 71% of normal
                                        
      Maximum for March =  10.96" in 1994      -->  (Since
      Minimum for March =   0.89" in 1986      -->  (1977)
 
      Number of days with 0.01" or more: 12          Snowfall
      Number of days with 0.10" or more:  6     March total =  TRACE
      Number of days with 0.50" or more:  2     
      Number of days with 1.00" or more:  1     March   max = 14.00" in 1980

   DAILY EXTREMES:   Low  temperature =  27 on the 8th
                     High temperature =  78 on the 18th
          Maximum daily precipitation = 1.34" on the 14th
             Maximum 24-hour rainfall = 1.86" on the 14th-15th
          Maximum barometric pressure = 30.706" on the 8th        
          Minimum barometric pressure = 29.391" on the 3rd 
                        Frozen precip =  TRACE

   WIND: 
                    Maximum wind gust = S 54 MPH on the 3rd 

   NUMBER OF:

  Days Cloudy:               7        Days with thunderstorms:  1
  Days Partly Cloudy:       11             # of Thunderstorms:  1
  Days Clear/Sunny:         13 Days with some type of snowfall: 3
  Days with Fog/Ground Fog:  8
  Days with Dense Fog:       0
  Days with Frost:           0
 ------------------------------------------------------------------
  YEAR-TO-DATE: (through March 31st, 1999) 

  Temperatures             Degree Days        Precipitation 

  Mean maximum: 55.6 (+2.3) Heating: Aqueous:   8.47" (DEP -3.42") 71%
  Mean minimum: 37.2 (+2.3)  1673.0    Maximum monthly:  3.29"/MAR.
  Mean monthly: 46.4 (+2.3) Cooling:   Minimum monthly:  2.14"/FEB.
                                1.5
  Highest:      78, March 18   
                                             Snowfall:          TRACE"
  Lowest:       17, January 6          Maximum daily:   TRACE" (Jan. 9,10 & Mar. 8)
  Days with max temperature >= 90:  0  Maximum monthly: TRACE" (Jan. & Mar.)
  Days with max temperature <= 32:  1  
  Days with min temperature <= 32: 21  Days with some type of
  Days with temperature     <=  0:  0    snowfall:       8
                                       Days with measurable
  Number of:                             precipitation: 27 or 30.0%
  Days using Heating:        89 
  Days using Cooling:         1        Days with thunderstorms:  5
  Days Cloudy:               17        Number of thunderstorms:  6
  Days Partly Cloudy:        45  
  Days Clear/Sunny:          28        Greatest 24-hour daily rainfall:
  Days with fog/ground fog:  31                 1.34"/JAN. 24th & MAR. 14
  Days with dense fog:        3

  Wind (Highest Gust): SSW 54 miles per hour, March 3rd

  Barometer:   Highest 30.807" on January 31st
               Lowest: 29.391" on March 3rd 
 ------------------------------------------------------------------ 
 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  
 ------------------------------------------------------------------
 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; *tied station record
 ------------------------------------------------------------------
 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
 ------------------------------------------------------------------
 NOTES: All temperatures are in degrees fahrenheit.  All precipita-
 tion measurements are in inches.  All wind speeds are in miles per 
 hour.
 ------------------------------------------------------------------


March 1999 Temperature Graph
March 1999 Rain/Relative Humidity Graph
March 1999 Wind Graph
March 1999 Barometer & Wind Graph

Keyword Quick Links:
             [ ACON ] [ Articles ] [ CAM: Portsmouth ] [ Daily Summary ] [ Database ][ Forecasts ]
             [ Our Location ][ Miscellaneous - Local, State, National ][ Our IMAGES ]
             [ Instrumentation ][ E-mail Us! ][ Marine Forecasts ][ NC Zones ][ News & Weather - CNN ]
             [ OBS: Local 24-Hours ][ OBS: Local Manual ][ OBS: Virginia & National ]
             [ Radars ][ Records: Local ][ Satellite: Mid-Atlantic ][ Severe Weather: VA ]
             [ Surface Map - US ][ Sun ][ Synopses ][ Text Only PWRS ]
             [ Tides: Hampton Roads, VA ][ Tropics ][ VA Products from WeatherNet ][ VA Zones ]

GoImage

Return to PWRS' Monthly Summaries


Return to PWRS' Database


Return to the PWRS Main Page!