Portsmouth Weather Records Service
 

Local Climatological Data
*Data Are Subject to Correction by PWRS

Station:  PORTSMOUTH, VIRGINIA
Month:   APRIL Year: 2003
Latitude: 36 48 04 N    Longitude: 76 19 40 W
Station Elevation: 20 FT 
Standard Time: EASTERN STANDARD TIME
LOCAL CLIMATOLOGICAL DATA (WS-TYPE FORM: F-6)

                                          STATION:   PORTSMOUTH, VIRGINIA
                                          MONTH:     APRIL
                                          YEAR:      2003
                                          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  67  35   51.0   -5  14.0  0.0 0.00 0.0    0 200  4.4 200 25 0298 0001  71  35  SU         BREEZY MILDER
 2  83  55   69.0  +12   0.0  4.0 0.00 0.0    0 200  6.0 245 21 0148 0011  63  32  SU         PLEASANT
 3  85  57   71.0  +13   0.0  6.0 0.00 0.0    0 200  4.5 270 17 0045 9930  69  31  SU         PLEASANT
 4  83  51   67.0   +8   0.0  2.0 0.00 0.0    0 200  4.3 245 19 9933 9878  81  35  PC 1       BACKDOOR FROPA
 5  79  50   64.5   +8   0.5  0.0 0.04 0.0    0 200  3.1 270 31 0025 9848  88  57  PC 1       FROPA WARMFROP SHRA COLDFROPA
 6  62  45   53.5   -1  11.5  0.0 0.00 0.0    0 023  5.2 023 23 0446 0025  86  53  PC         FROPA
 7  49  44   46.5   -9  18.5  0.0 2.00 0.0    0 360  5.7 023 23 0445 0082  97  65   C 1       BREEZY COLD RA+
 8  47  43   45.0  -12  20.0  0.0 0.26 0.0    0 023  5.7 023 19 0345 0191  96  91   C 1       BREEZY DAMP RA
 9  45  43   44.0  -13  21.0  0.0 1.61 0.0    0 360  7.5 360 23 0217 9953  99  96   C 1       BREEZY RA+ DAMP DZ
10  48  43   45.5  -10  19.5  0.0 0.98 0.0    0 023 10.5 023 36 0004 9731 100  96   C 1       BREEZY RA DZ
11  49  45   47.0   -9  18.0  0.0 0.48 0.0    0 360  5.8 360 22 9765 9606 100  98   C 1       RA DZ
12  66  45   55.5   -4   9.5  0.0 0.12 0.0    0 270  4.9 270 20 9953 9622 100  52  PC 1       RA BR FROPA
13  65  44   54.5   -4  10.5  0.0 0.00 0.0    0 360  2.8 360 17 0311 9953  92  48  SU
14  68  42   55.5   -3  10.0  0.0 0.00 0.0    0 135  1.8 135 12 0432 0311  92  41  SU
15  81  47   64.0   +4   1.0  0.0 0.00 0.0    0 200  3.7 200 18 0369 0100  86  48  SU         PLEASANT
16  84  56   70.0   +9   0.0  5.0 0.00 0.0    0 180  5.0 225 19 0122 9977  81  37  SU         PLEASANT
17  65  47   56.0   -4   9.0  0.0 0.00 0.0    0 023  7.2 023 28 0234 9965  92  70  PC         FROPA BREEZY COLDER
18  55  48   51.5   -6  13.5  0.0 0.44 0.0    0 023  5.3 023 21 0324 0197  96  91   C 1       SHRA DAMP
19  55  49   52.0   -7  13.0  0.0 0.00 0.0    0 023  5.5 023 19 0395 0314  95  83  PC 1
20  63  47   55.0   -5  10.0  0.0 0.00 0.0    0 360  4.4 360 17 0305 0174  91  69  PC
21  72  48   60.0   -2   5.0  0.0 0.00 0.0    0 158  1.7 200 11 0185 9853  93  67  PC 2       WARMFROPA
22  73  59   66.0   +5   0.0  1.0 0.31 0.0    0 360  3.2 360 18 9853 9719  96  60  PC 13      FROPA
23  67  49   58.0   -3   7.0  0.0 0.00 0.0    0 320  4.0 360 21 0000 9836  63  23  SU         DRY
24  70  47   58.5   -3   6.5  0.0 0.00 0.0    0 360  3.2 360 18 0131 9971  70  24  PC         DRY
25  68  55   61.5    0   3.5  0.0 0.28 0.0    0 135  1.8 135 10 9971 9651  95  68  PC 1       SHRA
26  73  60   66.5    5   0.0  1.5 0.41 0.0    0 200  2.4 270 18 9771 9586  96  72  PC 13      SHRA
27  71  56   63.5    1   1.5  0.0 0.00 0.0    0 360  3.7 360 18 0119 9771  95  61  PC 1
28  78  51   64.5    2   0.5  0.0 0.00 0.0    0 180  2.4 270 17 0161 0000 100  47  SU 1
29  84  57   70.5    9   0.0  5.5 0.03 0.0    0 180  3.4 360 18 0006 9897  90  50  PC 13      SHRA FROPA
30  79  58   68.5    6   0.0  3.5 0.00 0.0    0 158  1.7 023 13 0134 9985  97  59  SU 18          
===============================================================================================================================
SM                     223.5 28.5 6.96 0.0  0.0
===============================================================================================================================
AV 67.8 49.2 58.5 -0.5            0.23          108  4.4 104 20 0148 9940  89  59                                      
===============================================================================================================================
NOTES:
WINDS IN M.P.H.
                      
LOCAL CLIMATOLOGICAL DATA (WS-TYPE FORM: F-6) , PAGE 2

                                          STATION:  PORTSMOUTH, VIRGINIA
                                          MONTH:    APRIL
                                          YEAR:     2003
                                          LATITUDE:   36 48 04 N                   
                                          LONGITUDE:  76 19 40 W                   

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

AVERAGE MAXIMUM: 67.8   TOTAL FOR MONTH:   6.96            1 = FOG                      
AVERAGE MAX DEP: -1.8   DPTR FM NORMAL:   +3.46 OR 199%    2 = FOG REDUCING VISIBILITY  
AVERAGE MINIMUM: 49.2   GRTST 24HR  2.00" ON  7TH              TO 1/4 MILE OR LESS      
AVERAGE MIN DEP: +0.7   GRTST DAILY 2.00" ON  7TH          3 = THUNDER                  
AVERAGE MONTHLY: 58.5   SNOW, ICE PELLETS, HAIL            4 = ICE PELLETS              
AVERAGE MON DEP: -0.5   TOTAL MONTH:  0.0"                 5 = HAIL                     
                        GRTST DAILY        ON              6 = GLAZE OR RIME            
HIGHEST:    85 ON   3   GRTST 24HR         ON              7 = BLOWING DUST OR SAND:    
LOWEST:     35 ON   1   GRTST DEPTH:       ON                  VSBY  MILE OR LESS    
                                                           8 = SMOKE OR HAZE            
[NO. OF DAYS WITH]      [PRECIP  - DAYS WITH]              9 = BLOWING SNOW             
                                                           X = TORNADO                  
MAX 32 OR BELOW:   0    0.01 INCH OR MORE:  12 0R 42.50%
MAX 90 OR ABOVE:   0    0.10 INCH OR MORE:  10                                  
MIN 32 OR BELOW:   0    0.50 INCH OR MORE:   3                                  
MIN  0 OR BELOW:   0    1.00 INCH OR MORE:   2                                  

[HDD (BASE 65) ]                                   [# DAYS WITH]
TOTAL THIS MO. 223.5    CLEAR  (SCALE 0-3)  10     18 FOG                          
                        PTCLDY (SCALE 4-7)  14      1 DENSE FOG    [VSBY 1/4 MILE OR LESS]
SEASONAL      3403.0    CLOUDY (SCALE 8-10)  6      3 THUNDERSTORMS              
                                                    3 # OF THUNDERSTORMS
[CDD (BASE 65) ]                                    0 SNOW                         
TOTAL THIS MO.  23.0                                0 FROST
                        [PRESSURE DATA]                                         
SEASONAL TOTAL  33.5    HIGHEST SLP 30.446" ON THE  6TH                         
                        LOWEST  SLP 29.586" ON THE 26TH                         
                        AVERAGE SLP 30.043" 
[STATION RECORDS]

 2ND TEMPERATURE MAXIMUM 83 [PREVIOUSLY 82 1979]
 7TH PRECIPITATION 2.00" [PREVIOUSLY 1.11" 1989]
 9th PRECIPITATION 1.61" [PREVIOUSLY 0.76" 1976]
 9TH TEMPERTURE MINIMUM MAXIMUM 45 [PREVIOUSLY 46 1996]
10TH TEMPERATURE MINIMUM MAXIMUM 48 [PREVIOUSLY 50 1997]
10TH PRECIPITATION 0.98" [PREVIOUSLY 0.27" 2002]
11TH TEMPERATURE MINIMUM MAXIMUM TIE 49 [PREVIOUSLY 1989]

YEAR-TO-DATE

[TEMPERATURE DATA]      [PRECIPITATION DATA]

AVERAGE MAXIMUM: 55.8   TOTAL FOR YEAR:   18.71
AVERAGE MAX DEP: -1.7   DPTR FM NORMAL:   +3.57" OR 124%                          
AVERAGE MINIMUM: 38.7   GRTST 24HR  2.00" ON  4/7                      
AVERAGE MIN DEP:  0.2   GRTST DAILY 2.00" ON  4/7                                
AVERAGE MONTHLY: 47.3   SNOW, ICE PELLETS, HAIL                                 
AVERAGE MON DEP: -0.7   TOTAL:          5.3                                     
                        GRTST DAILY   2.0 ON 1/16, 1/23
HIGHEST:    85 ON  3/3  GRTST 24HR    2.0 ON 1/16, 1/23
LOWEST:     15 ON 1/23  GRTST DEPTH:  2.0 on 1/16, 1/17, 1/23                
                  1/24

[NO. OF DAYS WITH]      [PRECIP  - DAYS WITH]                                   
                                                                                
MAX 32 OR BELOW:   2    0.01 INCH OR MORE:  51  OR 42.50%                      
MAX 90 OR ABOVE:   0    0.10 INCH OR MORE:  33                                  
MIN 32 OR BELOW:  36    0.50 INCH OR MORE:  12                                  
MIN  0 OR BELOW:   0    1.00 INCH OR MORE:   4                                  

[HDD (BASE 65) ]                                   [# DAYS WITH]
TOTAL         2161.5    CLEAR  (SCALE 0-3)  35     56 FOG                          
                        PTCLDY (SCALE 4-7)  54      5 DENSE FOG    [VSBY 1/4 MILE OR LESS]
SEASONAL      3403.5    CLOUDY (SCALE 8-10) 31      5 THUNDERSTORMS              
                                                    5 # OF THUNDERSTORMS
[CDD (BASE 65) ]                                   11 SNOW                         
         TOTAL  28.5                                7 FROST                     
                        [PRESSURE DATA]                                         
SEASONAL TOTAL  33.5    HIGHEST SLP 30.493" ON THE 27TH OF JANUARY
                        LOWEST  SLP 29.212" ON THE 23RD OF FEBRUARY
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