Portsmouth Weather Records Service
 

Local Climatological Data
*Data Is Subject to Correction by PWRS

Station:  PORTSMOUTH, VIRGINIA
Month:   MARCH Year: 2005
Latitude: 36 48 04 N    Longitude: 76 19 37 W
Station Elevation: 20 FT 
Standard Time: EST
 LOCAL CLIMATOLOGICAL DATA (WS-TYPE FORM: F-6)

                                          STATION:   PORTSMOUTH, VIRGINIA
                                          MONTH:     MARCH
                                          YEAR:      2005
                                          LATITUDE:   36 48 04 N                   
                                          LONGITUDE:  76 19 40 W                   
NOTE: DATA MAY EXTEND BEYOND RIGHT MARGIN
================================================================================================================================
|-----TEMPERATURE IN F:--------| |RAIN---SNOW-||------WIND-----|BAROMETER||HUMID||SKY||---------------WEATHER-----------------|
                                                 AVG  AVG PK  PK  MAX  MIN MAX MIN DOM WX
DY MAX MIN   AVG   DEP  HDD   CDD  WTR  SNW DPTH DIR  SPD DIR SPD BAR  BAR HUM HUM SKY TYPES / NOTES
=================================================================================================================================
 1  43  34   38.5   -6 26.5   0.0     T   T    0 270 11.3 270 40 9711 9549  97  41  PC        WINDY -SHSN VIRGA COLDER
 2  45  31   38.0  -10 27.0   0.0  0.00   0    0 270 11.6 250 32 9917 9721  59  34  SU        WINDY COLD
 3  44  27   35.5  -11 29.5   0.0  0.00   0    0 315  5.6 300 21 0060 9917  60  35  SU
 4  52  23   37.5   -9 27.5   0.0  0.00   0    0 158  4.3 225 20 0128 9943  83  31  PC        FROST
 5  47  32   39.5  -10 25.5   0.0  0.23   T    0 045  5.4 023 18 0010 9832  95  52  PC 1      RA -WETSN
 6  58  28   43.0   -5 22.0   0.0  0.00   0    0 203  6.6 203 27 0094 9844  99  40  SU        +FROST BLACK ICE (AM)
 7  72  43   57.5  +10  7.5   0.0  0.00   0    0 225  7.6 203 27 9880 9479  68  27  PC        MILDER
 8  59  32   45.5   -2 19.5   0.0  0.55 0.7  0.7 315 10.5 320 36 9824 9029  96  50  PC 134
 9  47  25   35.0  -11 29.0   0.0  0.00   0    0 270  4.7 270 25 9995 9824  66  33  SU
10  49  30   39.5   -7 25.5   0.0  0.00   0    0 270  5.8 180 23 9852 9751  75  33  SU
11  61  38   49.5   +2 15.5   0.0  0.08   0    0 225  7.8 320 25 9779 9422  83  34  SU
12  58  35   46.5   -2 18.5   0.0     T   T    0 270  7.5 270 33 9703 9489  83  39  PC        -SHSN
13  51  42   46.5   -4 18.5   0.0  0.01   0    0 045  5.8 045 17 9915 9689  77  47  PC        -RA
14  48  32   40.0  -10 25.0   0.0  0.02   0    0 023  5.1 023 20 0089 9878  89  51  PC 14     -RA DZ 
15  52  29   40.5  -10 24.5   0.0  0.00   0    0 360  3.8 360 27 0210 0089  87  34  SU        DRY
16  44  36   40.0   -9 25.0   0.0  0.10   T    0 045  2.6 158 16 0196 0023  92  48   C 1      -RA -WETSNOW
17  40  35   37.5  -13 27.5   0.0  0.28   T    0 045  8.4 045 27 0023 9957  94  73   C 1      RA -SN -WETSN 
18  57  33   45.0   -5 20.0   0.0  0.00   0    0 045  3.7 045 18 0116 9991  96  35 -PC
19  61  32   46.5   -2 18.5   0.0  0.01   0    0 158  2.5 158 17 0171 0060  94  41  PC 8      -FROST -SHRA
20  64  46   55.0   +6 10.0   0.0  0.18   0    0 045  4.1 023 19 0069 9927  99  53  PC 18     SHRA FU FROPA
21  59  40   49.5   -2 15.5   0.0  0.00   0    0 360  4.2 270 19 0199 0007  82  41  SU
22  59  37   48.0   -1 17.0   0.0  0.00   0    0 045  3.3 045 16 0287 0085  87  47  PC 8      HZ
23  71  48   59.5  +11  5.5   0.0  0.78   0    0 158  6.7 340 27 0014 9557 100  76  PC 18     HZ SHRA FROPA
24  51  41   46.0   -6 19.0   0.0  0.00   0    0 360  4.3 023 15 0111 9705  93  73   C 18     COLDER
25  51  39   45.0   -6 20.0   0.0     T   0    0 045  2.0 158 12 0116 0017  97  65  PC
26  56  45   50.5   -2 14.5   0.0  0.00   0    0 045  5.7 045 18 0154 0037  85  65   C
27  56  47   51.5   -2 13.5   0.0     T   0    0 045  3.9 045 16 0152 9582  98  78   C 1      SHRA
28  71  52   61.5   +7  3.5   0.0  0.43   0    0 158  7.6 158 37 9852 9255 100  56  PC 1      SHRA TSRA GR(PEA-SIZE)
29  62  51   56.5   -1  8.5   0.0  0.01   0    0 360  6.2 360 23 9919 9371  97  66  PC 1      -SHRA
30  65  46   55.5   -3  9.5   0.0  0.00   0    0 045  3.0 045 14 0118 9919  95  51  PC
31  65  45   55.0    0 10.5   0.0  0.00   0    0 158  3.3 158 18 0134 9991  97  72   C 1
=============================================================================================================================
SUM                    579.0  0.0  2.68 0.7  0.7          
==============================================================================================================================
AV 55.4 37.2 46.3  -3.7           -1.46          174  5.64 
===============================================================================================================================
NOTES:
WINDS IN M.P.H.
                      
 CLIMATOLOGICAL DATA (WS-TYPE FORM: F-6) , PAGE 2

                                          STATION:  PORTSMOUTH, VIRGINIA
                                          MONTH:    MARCH
                                          YEAR:     2005
                                          LATITUDE:   36 48 04 N                   
                                          LONGITUDE:  76 19 40 W                   

[TEMPERATURE DATA]      [PRECIPITATION DATA]               SYMBOLS USED IN WX TYPES COLUMN

AVERAGE MAXIMUM: 55.4   TOTAL FOR MONTH:   2.68"           1 = FOG
AVERAGE MAX DEP: -4.5   DPTR FM NORMAL:   -1.46" OR 65%    2 = FOG REDUCING VISIBILITY
AVERAGE MINIMUM: 37.2   GRTST 24HR  0.78" ON 23RD              TO 1/4 MILE OR LESS
AVERAGE MIN DEP: -2.8   GRTST DAILY 0.78" ON 23RD          3 = THUNDER
AVERAGE MONTHLY: 46.3   SNOW, ICE PELLETS, GLAZE           4 = ICE PELLETS              
AVERAGE MON DEP: -3.7   TOTAL MONTH:  0.7"                 5 = HAIL
                        GRTST DAILY   0.7"  ON 8TH         6 = GLAZE OR RIME            
HIGHEST: 72 ON    7     GRTST 24HR    0.7"  ON 8TH         7 = BLOWING DUST OR SAND:    
LOWEST:  23 ON    4     GRTST DEPTH:  0.7"  ON 8TH             VSBY  MILE OR LESS    
                                                           8 = SMOKE OR HAZE            
[NO. OF DAYS WITH]      [PRECIP  - DAYS WITH MEASURABLE]   9 = BLOWING SNOW             
                                                           X = TORNADO                  
MAX 32 OR BELOW:   0    0.01 INCH OR MORE:  12 OR 38.71%
MAX 90 OR ABOVE:   0    0.10 INCH OR MORE:   7                                  
MIN 32 OR BELOW:  11    0.50 INCH OR MORE:   2                                  
MIN  0 OR BELOW:   0    1.00 INCH OR MORE:   0                                  

[HDD (BASE 65) ]                                   [# DAYS WITH]
TOTAL THIS MO. 579.0 
                        CLEAR  (SCALE 0-3)   7     12 FOG
                        PTCLDY (SCALE 4-7)  18      0 DENSE FOG    [VSBY  MILE OR LESS]
SEASONAL      3044.5    CLOUDY (SCALE 8-10)  6      2 THUNDERSTORMS
                                                    2 # OF THUNDERSTORMS
[CDD (BASE 65) ]                                    6 SNOW                         
TOTAL THIS MO.   0.0                                3 FROST
                        [PRESSURE DATA]                       [AVERAGE SKY COVER]
SEASONAL TOTAL   3.0    HIGHEST SLP 30.287" ON THE 22ND                 45.97% 
                        LOWEST  SLP 29.029" ON THE  8TH 
                        AVERAGE SLP 29.903"                   [AVERAGE RELATIVE HUMIDITY]
[STATION RECORDS]                                                       68.50%

 8TH PRECIPITATION - DAILY SNOWFALL 0.7" [PREVIOUS 0.4" 1996]
17TH TEMPERATURE - MINIMUM MAXIMUM 40 [PREVIOUS 45 2004]

YEAR-TO-DATE

[TEMPERATURE DATA]      [PRECIPITATION DATA]

AVERAGE MAXIMUM: 52.6   TOTAL FOR YEAR:    8.22"
AVERAGE MAX DEP: -0.8   DPTR FM NORMAL:   -3.11 OR 73%
AVERAGE MINIMUM: 35.4   GRTST 24HR  1.52" ON  JANUARY 14TH
AVERAGE MIN DEP: +0.3   GRTST DAILY 1.52" ON  JANUARY 14TH                 
AVERAGE MONTHLY: 44.0   SNOW, ICE PELLETS, GLAZE
AVERAGE MON DEP: -0.3   TOTAL:           2.5"                                   
                        GRTST DAILY   0.8" ON  1/21           
HIGHEST: 75 ON  1/13    GRTST 24HR    0.8" ON  1/21 
                        GRTST DEPTH:  0.8" ON  1/21            
LOWEST:  16 ON  1/19 

[NO. OF DAYS WITH]      [PRECIP  - DAYS WITH MEASURABLE]                        
                                                                                
MAX 32 OR BELOW:   3    0.01 INCH OR MORE:  29  OR 32.22%
MAX 90 OR ABOVE:   0    0.10 INCH OR MORE:  15                                  
MIN 32 OR BELOW:  35    0.50 INCH OR MORE:   7                                  
MIN  0 OR BELOW:   0    1.00 INCH OR MORE:   1

[HDD (BASE 65) ]                                   [# DAYS WITH]
TOTAL         1890.0    CLEAR  (SCALE 0-3)  16     39 FOG                          
                        PTCLDY (SCALE 4-7)  57      0 DENSE FOG    [VSBY  MILE OR LESS]
                        CLOUDY (SCALE 8-10) 17      3 THUNDERSTORMS              
                                                    3 # OF THUNDERSTORMS
[CDD (BASE 65) ]                                   14 SNOW                         
TOTAL            3.0                               11 FROST                     
                        [PRESSURE DATA]                                         
                        HIGHEST SLP 30.789" ON JANUARY 28TH     
                        LOWEST  SLP 29.029" ON MARCH 8TH             
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 > 1/4 but <=6 statute miles and
below to 1/4 mile
DU   Dust (widespread)
DS   Duststorm
DZ   Drizzle
FC   Funnel Cloud
FC+  Tornado/waterspout
FG   Fog with visibility <= 1/4 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)
                                       MI Shallow     PR Partial