Portsmouth Weather Records Service
 

Local Climatological Data
*Data Is Subject to Correction by PWRS

Station:  PORTSMOUTH, VIRGINIA
Month:   AUGUST Year: 2004
Latitude: 36 48 04 N    Longitude: 76 19 37 W
Station Elevation: 20 FT 
Standard Time: EDT
 LOCAL CLIMATOLOGICAL DATA (WS-TYPE FORM: F-6)

                                          STATION:   PORTSMOUTH, VIRGINIA
                                          MONTH:     AUGUST
                                          YEAR:      2004
                                          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  88  76   82.0   +2   0.0  17.0  0.09 0.0    0 158  1.8 158 17 0077 9981 100  71  PC 3       HUMID
 2  83  74   78.5   -1   0.0  13.5  0.95 0.0    0 158  0.8 045 22 9993 9878 100  83  PC 3       SHRA
 3  77  73   75.0   -5   0.0  10.0  1.79 0.0    0 023  4.3 045 24 9879 9715 100  94   C         +SHRA
 4  89  72   80.5    0   0.0  15.5  0.00 0.0    0 270  2.1 023 14 9831 9774 100  60  SU 18      HZ
 5  86  73   79.5   -1   0.0  14.5     T 0.0    0 045  4.2 023 20 9796 9719  95  75  PC 8       -SHRA DSTLTG FROPA
 6  75  65   70.0   -9   0.0   5.0  0.25 0.0    0 023  6.5 023 31 9945 9763 100  54  PC 1       SHRA COOLER DRIER
 7  76  57   66.5  -12   0.0   1.5  0.00 0.0    0 270  2.2 023 17 0098 9932  95  53  SU         COOLER DRIER
 8  81  61   71.0   -8   0.0   6.0  0.00 0.0    0 180  1.6 260 16 0172 0090  97  50  PC
 9  85  64   74.5   -4   0.0   9.5  0.00 0.0    0 155  2.4 158 15 0185 0106  95  48  SU
10  84  67   75.5   -4   0.0  10.5  0.00 0.0    0 203  3.3 180 23 0122 0002  87  58  PC
11  86  69   77.5   -2   0.0  12.5  0.00 0.0    0 158  3.4 158 24 0012 9916  88  59  PC
12  87  70   78.5    0   0.0  13.5  0.16 0.0    0 158  3.2 158 19 9965 9902  98  60  PC 1       SHRA
13  76  70   73.0   -5   0.0   8.0  0.34 0.0    0 158  2.3 170 16 0056 9878 100  93   C 1       SHRA
14  74  68   71.0   -7   0.0   6.0  2.95 0.0    0 158  3.3 023 32 0138 9908 100  94   C 13      +SHRA TROPICAL STORM CONDITIONS
15  71  67   69.0   -9   0.0   4.0  2.33 0.0    0 045  1.0 045 13 0261 0135 100  99   C 1       +SHRA
16  76  67   71.5   -7   0.0   6.5  0.03 0.0    0 045  2.1 045 17 0188 0113 100  78  PC 1       SHRA
17  81  64   72.5   -6   0.0   7.5  0.00 0.0    0 158  2.1 158 15 0180 0067 100  61  PC 1
18  84  68   76.0   -2   0.0  11.0  0.00 0.0    0 158  2.8 158 17 0085 0002  98  62  PC 18      HZ
19  89  72   80.5   +3   0.0  15.5  0.00 0.0    0 203  2.7 203 14 0095 0031  97  61  SU 18      HZ
20  90  74   82.0   +5   0.0  17.0  0.00 0.0    0 180  3.5 158 19 0100 0009  97  56  SU 18      BREEZY PM
21  90  71   80.5   +4   0.0  15.5  0.48 0.0    0 180  3.6 270 20 0014 9828  98  64  PC 81      SHRA FROPA
22  80  66   73.0   -3   0.0   8.0  0.01 0.0    0 045  4.3 045 21 0083 9940  98  52  SU 8
23  81  61   71.0   -5   0.0   6.0  0.00 0.0    0 180  0.8 180 12 0084 0014  99  61  PC 81
24  84  63   73.5   -3   0.0   8.5  0.00 0.0    0 045  0.8 045 13 0181 0056  98  61  SU 8
25  84  64   74.0   -3   0.0   9.0  0.00 0.0    0 045  1.5 045 17 0246 0181  98  59  SU 8
26  85  69   77.0   -3   0.0  12.0  0.00 0.0    0 045  1.7 045 14 0239 0166  99  62  PC 18
27  86  70   78.0    0   0.0  13.0  0.00 0.0    0 045  1.4 045 15 0197 0095 100  64  PC 18
28  89  68   78.5    0   0.0  13.5  0.00 0.0    0 180  1.2 180 16 0105 9977 100  55  SU 1
29  89  72   80.5   +2   0.0  15.5  0.00 0.0    0 158  1.9 158 18 0004 9938 100  65  SU
30  87  72   79.5   +3   0.0  14.5  0.85 0.0    0 158  4.8 180 29 9963 9681 100  72  PC         SHRA TROPSTORM GASTON
31  86  71   78.5   +2   0.0  13.5     T 0.0    0 270  3.5 270 20 0131 9884  99  67  PC 8       -SHRA
=============================================================================================================================
SM                       0.0 333.5 10.23 0.0    0          023 32               
================================================================================================================================
AV 83.2 68.2 75.7 -2.4             +4.78          137  2.62       0076 9957  98  66 
===============================================================================================================================
NOTES:
WINDS IN M.P.H.
                      
 CLIMATOLOGICAL DATA (WS-TYPE FORM: F-6) , PAGE 2

                                          STATION:  PORTSMOUTH, VIRGINIA
                                          MONTH:    AUGUST
                                          YEAR:     2004
                                          LATITUDE:   36 48 04 N                   
                                          LONGITUDE:  76 19 40 W                   

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

AVERAGE MAXIMUM: 83.2   TOTAL FOR MONTH:  10.23"           1 = FOG
AVERAGE MAX DEP: -3.2   DPTR FM NORMAL:   +4.78" OR 188%   2 = FOG REDUCING VISIBILITY  
AVERAGE MINIMUM: 68.3   GRTST 24HR  2.95" ON 14TH              TO 1/4 MILE OR LESS
AVERAGE MIN DEP: -1.5   GRTST DAILY 2.99" ON 14TH-15TH     3 = THUNDER
AVERAGE MONTHLY: 75.8   SNOW, ICE PELLETS, GLAZE           4 = ICE PELLETS              
AVERAGE MON DEP: -2.3   TOTAL MONTH:  0.0"                 5 = HAIL                     
                        GRTST DAILY   0.0" ON --TH         6 = GLAZE OR RIME            
HIGHEST: 90 ON  20,21   GRTST 24HR    0.0" ON --TH         7 = BLOWING DUST OR SAND:    
LOWEST:  57 ON  7       GRTST DEPTH:  0.0" ON --TH             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:   2    0.10 INCH OR MORE:   9                                  
MIN 32 OR BELOW:   0    0.50 INCH OR MORE:   5                                  
MIN  0 OR BELOW:   0    1.00 INCH OR MORE:   3                                  

[HDD (BASE 65) ]                                   [# DAYS WITH]
TOTAL THIS MO.   0.0    CLEAR  (SCALE 0-3)  10     16 FOG                          
                        PTCLDY (SCALE 4-7)  18      0 DENSE FOG    [VSBY 1/4 MILE OR LESS]
SEASONAL      3282.5    CLOUDY (SCALE 8-10)  9      3 THUNDERSTORMS              
                                                    3 # OF THUNDERSTORMS
[CDD (BASE 65) ]                                    0 SNOW                         
TOTAL THIS MO. 333.5                                0 FROST
                        [PRESSURE DATA]                       [AVERAGE SKY COVER]
SEASONAL TOTAL 1429.0   HIGHEST SLP 30.261" ON THE 15TH                42.10% 
                        LOWEST  SLP 29.681" ON THE 30TH       
                        AVERAGE SLP 30.017"
[STATION RECORDS]

AUG 2004 is the 4th wettest August in the database to 1976.

 2ND - PRECIPITATION - DAILY - 0.95" [PREVIOUSLY 0.80" 1994]
 3RD - PRECIPITATION - DAILY - 1.79" [PREVIOUSLY 1.19" 1981]
 3RD - TEMPERATURE MINIMUM MAXIMUM TIED - 77 [PREVIOUSLY 1983]
 6TH - WIND GUST - MAXIMUM - 31 MPH [PREVIOUSLY 27 MPH IN 1990]
 7TH - TEMPERATURE - MINIMUM TIED - 57 [PREVIOUSLY 1990]
 7TH - TEMPERATURE - MINIMUM MAXIMUM TIED - 76 [PREVIOUSLY 1994]
 8TH - TEMPERATURE - MINIMUM TIED - 61 [PREVIOUSLY 1994]
14TH - WIND GUST MAXIMUM - 32MPH [previously 26MPH 1990]
15TH - TEMPERATURE - MINIMUM MAXIMUM 71 [previously 77 in 1988]
16TH - TEMPERATURE - MINIMUM MAXIMUM 76 [previously 77 in 1992]
23RD - TEMPERATURE - MINIMUM TIED - 61 [previously 1981]


 YEAR-TO-DATE

[TEMPERATURE DATA]      [PRECIPITATION DATA]

AVERAGE MAXIMUM: 70.8   TOTAL FOR YEAR:   36.47"
AVERAGE MAX DEP: -0.2   DPTR FM NORMAL:   +2.85" OR 108%
AVERAGE MINIMUM: 53.2   GRTST 24HR  2.99" ON  8/14-15     
AVERAGE MIN DEP: +0.8   GRTST DAILY 2.95" ON  8/14                         
AVERAGE MONTHLY: 62.0   SNOW, ICE PELLETS, GLAZE
AVERAGE MON DEP: +0.3   TOTAL:           6.5"                                   
                        GRTST DAILY   2.8" ON JANUARY 9TH
HIGHEST: 93 ON  6/18    GRTST 24HR    2.8" ON JANUARY 8-9TH
                7/07    GRTST DEPTH:  2.8" ON JANUARY 9TH               
LOWEST:  17 ON  1/11

[NO. OF DAYS WITH]      [PRECIP  - DAYS WITH MEASURABLE]                        
                                                                                
MAX 32 OR BELOW:   3    0.01 INCH OR MORE:  83  OR 34.02%
MAX 90 OR ABOVE:  13    0.10 INCH OR MORE:  58                                  
MIN 32 OR BELOW:  43    0.50 INCH OR MORE:  23                                  
MIN  0 OR BELOW:   0    1.00 INCH OR MORE:  10

[HDD (BASE 65) ]                                   [# DAYS WITH]
TOTAL         2162.0    CLEAR  (SCALE 0-3)  57    110 FOG                          
                        PTCLDY (SCALE 4-7) 136      1 DENSE FOG    [VSBY 1/4 MILE OR LESS]
                        CLOUDY (SCALE 8-10) 51     28 THUNDERSTORMS              
                                                   31 # OF THUNDERSTORMS
[CDD (BASE 65) ]                                    8 SNOW                         
TOTAL         1429.0                                7 FROST                     
                        [PRESSURE DATA]                                         
                        HIGHEST SLP 30.625" ON MARCH 25TH        
                        LOWEST  SLP 29.345" ON THE 18TH OF JANUARY  
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