Portsmouth Weather Records Service
 

Local Climatological Data
*Data Are Subject to Correction by PWRS

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

                                          STATION:   PORTSMOUTH, VIRGINIA
                                          MONTH:     MAY  
                                          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  81  63   72.0   +8   0.0  7.0 0.00 0.0    0 180  3.2 180 17 0158 0012  93  58  PC         -HZ
 2  79  65   72.0   +8   0.0  7.0 0.02 0.0    0 135  1.1 023 15 0012 9722  94  63  PC 18      SHRA DSTLTG
 3  69  51   60.0   -4   5.0  0.0 0.09 0.0    0 023  4.9 360 21 0126 9778  94  84   C 1       FROPA SHRA
 4  61  49   55.0   -8  10.0  0.0 0.06 0.0    0 135  3.2 023 18 0184 0056  95  61  PC 1       SHRA COOL
 5  62  43   52.5  -11  12.5  0.0 0.04 0.0    0 158  0.7 180 10 0174 9965  93  85  PC         SHRA WARMFROPA
 6  79  58   68.5   +3   0.0  3.5 0.29 0.0    0 270  2.5 270 26 0024 9926  99  66  PC 13      SHRA
 7  81  61   71.0   +6   0.0  6.0    T 0.0    0 180  2.8 180 19 0007 9909  98  65  PC 1       SHRA HUMID
 8  83  66   74.5   +9   0.0  9.5 0.71 0.0    0 270  2.8 023 25 0008 9926  97  58  PC 13      HUMID SHRA FROPA
 9  81  62   71.5   +7   0.0  6.5 0.02 0.0    0 023  2.0 023 19 0019 9876  95  72  PC 138     HUMID SHRA
10  78  60   69.0   +3   0.0  4.0 0.00 0.0    0 023  1.2 360 18 9981 9796  95  78  PC 18      HUMID
11  87  68   77.5  +11   0.0 12.5 0.00 0.0    0 180  3.5 200 21 9806 9614  98  70  PC 18      HUMID 
12  78  64   71.0   +3   0.0  6.0 0.00 0.0    0 270  6.3 270 30 9799 9642  82  36  SU         FROPA BREEZY DRIER
13  75  56   65.5   -2   0.0  0.5 0.00 0.0    0 270  6.0 270 32 9913 9769  66  33  PC         BREEZY DRY
14  78  49   63.5   -2   1.5  0.0 0.00 0.0    0 270  2.4 270 20 9998 9893  84  33  SU         PLEASANT
15  79  58   68.5   +2   0.0  3.5 0.01 0.0    0 135  1.8 200 13 0043 9959  91  50  PC         SHRA
16  76  60   68.0   +2   0.0  3.0 0.25 0.0    0 023  4.0 023 17 0200 9950  97  67  PC 1       SHRA FROPA
17  60  53   56.5  -11   8.5  0.0 0.14 0.0    0 067  4.8 360 24 0270 0150 100  88   C 1       -RA DZ DAMP COOL
18  55  51   53.0  -16  12.0  0.0 0.48 0.0    0 023  1.8 045 18 0220 0019 100  96   C 1       RA DZ DAMP COOL
19  61  51   56.0  -13   9.0  0.0 0.04 0.0    0 360  4.8 023 20 0323 0263 100  80  PC 1       DZ SHRA
20  75  52   63.5   -4   1.5  0.0 0.00 0.0    0 023  1.7 023 12 0275 0191  93  45  PC
21  78  57   67.5   -1   0.0  2.5 0.23 0.0    0 360  0.2 360 18 0151 0086  97  66  PC 1       SHRA FROPA
22  63  59   61.0   -7   4.0  0.0 0.98 0.0    0 023  0.5 360 12 0172 0096 100  97   C 1       SHRA RA
23  61  58   59.5  -10   5.5  0.0 1.23 0.0    0 023  1.9 045 15 0161 9908 100 100   C 1       RA DAMP
24  66  55   60.5  -10   4.5  0.0 0.05 0.0    0 360  1.8 360 15 9989 9871 100 100  PC 1       SHRA DAMP
25  70  61   65.5   -5   0.0  0.5    T 0.0    0 180  0.3 135 10 0004 9915 100  90  PC 1       -SHRA BR
26  76  63   69.5    0   0.0  4.5 0.02 0.0    0 180  3.5 360 18 9971 9800 100  74  PC 1       -SHRA BR
27  64  55   59.5   -8   5.5  0.0 0.16 0.0    0 023  1.7 023 14 0024 9953 100  87   C 1       SHRA FROPA DAMP
28  73  55   64.0   -4   1.0  0.0    T 0.0    0 270  2.5 270 21 9965 9803 100  59  PC         -SHRA
29  75  58   66.5   -4   0.0  1.5 0.44 0.0    0 180  1.3 180 15 9814 9583 100  66  PC 153     SHRA
30  77  56   66.5   -5   0.0  1.5 0.00 0.0    0 270  1.9 270 14 9734 9584 100  57  SU         HZ
31  78  62   70.0   -3   0.0  5.0 0.51 0.0    0 270  4.3 200 26 9725 9391 100  57  PC 3       SHRA FROPA
===============================================================================================================================
SM                      80.5 84.5 5.77 0.0  0.0
===============================================================================================================================
AV 72.9 57.4 65.1 -2.3            0.19          126  2.63                  96  69   
===============================================================================================================================
NOTES:
WINDS IN M.P.H.
                      
LOCAL CLIMATOLOGICAL DATA (WS-TYPE FORM: F-6) , PAGE 2

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

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

AVERAGE MAXIMUM: 72.9   TOTAL FOR MONTH:   5.77"           1 = FOG                      
AVERAGE MAX DEP: -4.3   DPTR FM NORMAL:   +1.63" OR 140%   2 = FOG REDUCING VISIBILITY  
AVERAGE MINIMUM: 57.4   GRTST 24HR  1.23" ON 23RD              TO 1/4 MILE OR LESS      
AVERAGE MIN DEP: -0.2   GRTST DAILY 1.23" ON 23ND          3 = THUNDER                  
AVERAGE MONTHLY: 65.1   SNOW, ICE PELLETS, GLAZE           4 = ICE PELLETS              
AVERAGE MON DEP: -2.3   TOTAL MONTH:  0.0"                 5 = HAIL                     
                        GRTST DAILY        ON              6 = GLAZE OR RIME            
HIGHEST:    87 ON  11   GRTST 24HR         ON              7 = BLOWING DUST OR SAND:    
LOWEST:     43 ON   5   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:  20 0R 64.52%
MAX 90 OR ABOVE:   0    0.10 INCH OR MORE:  11                                  
MIN 32 OR BELOW:   0    0.50 INCH OR MORE:   4                                  
MIN  0 OR BELOW:   0    1.00 INCH OR MORE:   1                                  

[HDD (BASE 65) ]                                   [# DAYS WITH]
TOTAL THIS MO.  80.5    CLEAR  (SCALE 0-3)   3     21 FOG                          
                        PTCLDY (SCALE 4-7)  21      0 DENSE FOG    [VSBY 1/4 MILE OR LESS]
SEASONAL      3483.5    CLOUDY (SCALE 8-10)  7      5 THUNDERSTORMS              
                                                    5 # OF THUNDERSTORMS
[CDD (BASE 65) ]                                    0 SNOW                         
TOTAL THIS MO.  88.0                                0 FROST
                        [PRESSURE DATA]                                         
SEASONAL TOTAL 113.5    HIGHEST SLP 30.323" ON THE 19TH                         
                        LOWEST  SLP 29.391" ON THE 31ST                         
                        AVERAGE SLP 29.962" 
[STATION RECORDS]

5TH TEMPERATURE MINIMUM 43 [PREVIOUSLY 45 1982]
17TH TEMPERATURE MINIMUM MAXIMUM 60 [PREVIOUSLY 62 1983]
18TH TEMPERATURE MINIMUM MAXIMUM 55 [PREVIOUSLY 66 1994]
23RD PRECIPITATION 1.23" [PREVIOUSLY 1.05" 1982]
23RD TEMPERATURE MINIMUM MAXIMUM 61 [PREVIOUSLY 68 1990]
25TH TEMPERATURE TIED MINIMUM MAXIMUM 70 [PREVIOUSLY 1988]
27TH TEMPERATURE TIED MINIMUM MAXIMUM 67 [PREVIOUSLY 1997]
31ST WIND GUST MAXIMUM 26 MPH [PREVIOUSLY 25 MPH 1993]

YEAR-TO-DATE

[TEMPERATURE DATA]      [PRECIPITATION DATA]

AVERAGE MAXIMUM: 59.3   TOTAL FOR YEAR:   24.48
AVERAGE MAX DEP: -2.3   DPTR FM NORMAL:   +5.21" OR 127%                          
AVERAGE MINIMUM: 42.6   GRTST 24HR  2.00" ON  4/7                      
AVERAGE MIN DEP: +0.2   GRTST DAILY 2.00" ON  4/7                                
AVERAGE MONTHLY: 50.9   SNOW, ICE PELLETS, GLAZE
AVERAGE MON DEP: -1.1   TOTAL:          5.3                                     
                        GRTST DAILY   2.0 ON 1/16, 1/23
HIGHEST:    87 ON 5/11  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:  71  OR 47.02%                      
MAX 90 OR ABOVE:   0    0.10 INCH OR MORE:  44                                  
MIN 32 OR BELOW:  36    0.50 INCH OR MORE:  16                                  
MIN  0 OR BELOW:   0    1.00 INCH OR MORE:   5                                  

[HDD (BASE 65) ]                                   [# DAYS WITH]
TOTAL         2242.0    CLEAR  (SCALE 0-3)  38     77 FOG                          
                        PTCLDY (SCALE 4-7)  75      5 DENSE FOG    [VSBY 1/4 MILE OR LESS]
                        CLOUDY (SCALE 8-10) 38     10 THUNDERSTORMS              
                                                   10 # OF THUNDERSTORMS
[CDD (BASE 65) ]                                   11 SNOW                         
TOTAL          118.0                                7 FROST                     
                        [PRESSURE DATA]                                         
                        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