Portsmouth Weather Records Service
 

Local Climatological Data
*Data Is Subject to Correction by PWRS

Station:  PORTSMOUTH, VIRGINIA
Month:   JULY Year: 2005
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:     JULY
                                          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  90  73   81.5   +4   0.0  16.5  0.00   0    0 180  2.3 180 16 9861 9716  98  62  PC 18     HZ HUMID          
 2  84  70   77.0   -1   0.0  12.0  0.30   0    0 023  3.2 023 22 9931 9727  97  80  PC 138    HZ HUMID DSTLTG TSRA
 3  81  69   75.0   -3   0.0  10.0  0.00   0    0 023  3.0 023 18 0102 9931  98  66  PC 18     HZ
 4  83  68   75.5   -4   0.0  10.5  0.00   0    0 023  2.6 023 15 0154 0095  93  60  SU 1
 5  83  70   76.5   -3   0.0  11.5  0.14   0    0 158  2.5 158 16 0119 9908  95  78  PC 183    HZ HUMID TSRA
 6  87  73   80.0    0   0.0  15.0  0.00   0    0 023  2.6 023 17 9969 9868  93  67  SU 18     HZ HUMID
 7  86  75   80.5   +1   0.0  15.5     T   0    0 023  1.7 023 16 0035 9959  97  66  PC 18     HZ -SHRA
 8  83  74   78.5   -1   0.0  13.5  0.02   0    0 180  4.6 270 25 0037 9869  93  63  PC 18     HZ -SHRA FROPA
 9  88  69   78.5   -3   0.0  13.5  0.00   0    0 270  2.3 270 16 0100 0034  91  48  SU 8      HZ
10  88  72   80.0   -1   0.0  15.0  0.00   0    0 045  1.5 045 15 0139 0089  90  58  SU 18     HZ SEABREEZE
11  88  73   80.5   +1   0.0  15.5  0.00   0    0 270  1.3 270 14 0131 0043  95  61  PC 18     HZ HUMID
12  89  74   81.5   +2   0.0  16.5  0.01   0    0 270  1.9 270 17 0091 0001  96  68  PC 18     HZ DSTLTG -SHRA
13  86  71   78.5   -2   0.0  13.5  1.18   0    0 158  2.4 158 19 0017 9923  99  75  PC 138    HZ +TSRA
14  86  72   79.0   -2   0.0  14.0  0.02   0    0 180  1.8 180 16 9988 9935  97  71  PC 18     HZ -SHRA DSTLTG 
15  86  73   79.5    0   0.0  14.5  2.38   0    0 158  2.5 180 21 0048 9991 100  74  PC 138    HZ +TSRA SHRA
16  90  75   82.5   +2   0.0  17.5  0.06   0    0 180  2.4 180 18 0117 0048 100  70  PC 138    HZ TSRA
17  90  75   82.5   +2   0.0  17.5  0.34   0    0 180  2.1 270 19 0099 0024  99  68  PC 138    HZ TSRA
18  91  76   83.5   +3   0.0  18.5     T   0    0 180  2.8 270 16 0056 9968  99  67  PC 8      -HZ -SHRA
19  91  75   83.0   +2   0.0  18.0     T   0    0 180  2.4 270 20 0029 9947  97  67  PC 8      HZ DSTLTG -SHRA
20  93  75   84.0   +3   0.0  19.0  0.00   0    0 270  2.1 270 16 0052 9987  98  67  PC 18     HZ DSTLTG
21  92  75   83.5   +2   0.0  18.5  0.00   0    0 158  2.1 158 18 0048 9934 100  67  PC 18     HZ HUMID
22  90  76   83.0   +2   0.0  18.0  0.00   0    0 270  1.4 158 15 9969 9938  97  70  PC 18     HZ HUMID
23  88  74   81.0   +1   0.0  16.0  0.00   0    0 023  4.0 023 21 0066 9929 100  69  SU 8      HZ HUMID FROPA
24  87  72   79.5    0   0.0  14.5  0.00   0    0 023  1.8 023 13 0125 0060  99  51  SU
25  93  69   81.0   +2   0.0  16.0     T   0    0 158  2.6 270 18 0059 9881  96  64  PC 8      HZ -SHRA WARMFROPA HOT
26  96  77   86.5   +7   0.0  21.5  0.00   0    0 158  2.0 158 13 9929 9866  99  61  SU 18     HZ HOT
27 100  77   88.5   +8   0.0  23.5  0.05   0    0 180  2.2 158 22 9902 9788 100  59  PC 13     +HZ -TSRA EXTREME HEAT DSTLTG
28  89  77   83.0   +3   0.0  18.0  0.00   0    0 045  2.0 045 21 0080 9872  96  69  SU        FROPA DSTLTG
29  79  72   75.5   -4   0.0  10.5  0.20   0    0 160  0.8 270 26 0165 0075 100  87   C 138    HZ SHRA
30  81  73   77.0   -2   0.0  12.0  0.30   0    0 023  0.4 023 13 0202 0127 100  86   C 13     SHRA TSRA
31  77  73   75.0   -5   0.0  10.0  1.34   0    0 023  0.5 023 16 0189 0144 100 100   C 13     SHRA TSRA
==============================================================================================================================
SUM                      0.0 476.0  6.34   0    0          
==============================================================================================================================
AV 87.6 73.1 80.4 +0.5             +0.96          137 2.25 150 18 0058 9957  97  68
==============================================================================================================================
NOTES:
WINDS IN M.P.H.
                      
 CLIMATOLOGICAL DATA (WS-TYPE FORM: F-6) , PAGE 2

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

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

AVERAGE MAXIMUM: 87.6   TOTAL FOR MONTH:   6.34"           1 = FOG
AVERAGE MAX DEP: -0.9   DPTR FM NORMAL:   +0.96" OR 118%   2 = FOG REDUCING VISIBILITY
AVERAGE MINIMUM: 73.1   GRTST 24HR  2.40" ON 14TH-15TH         TO 1/4 MILE OR LESS
AVERAGE MIN DEP: +1.8   GRTST DAILY 2.38" ON 15TH          3 = THUNDER
AVERAGE MONTHLY: 80.4   SNOW, ICE PELLETS, GLAZE           4 = ICE PELLETS              
AVERAGE MON DEP: +0.5   TOTAL MONTH:  0.0"                 5 = HAIL
                        GRTST DAILY   0.0"  ON ---         6 = GLAZE OR RIME            
HIGHEST: 100 ON   27    GRTST 24HR    0.0"  ON ---         7 = BLOWING DUST OR SAND:    
LOWEST:   68 ON    4    GRTST DEPTH:  0.0"  ON ---             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:  13 OR 41.94%
MAX 90 OR ABOVE:  11    0.10 INCH OR MORE:   8                                  
MIN 32 OR BELOW:   0    0.50 INCH OR MORE:   3                                  
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)   8     23 FOG
                        PTCLDY (SCALE 4-7)  20      0 DENSE FOG    [VSBY  MILE OR LESS]
SEASONAL      3372.0    CLOUDY (SCALE 8-10)  3     10 THUNDERSTORMS
                                                   10 # OF THUNDERSTORMS
[CDD (BASE 65) ]                                    0 SNOW                         
TOTAL THIS MO. 476.0                                0 FROST
                        [PRESSURE DATA]                       [AVERAGE SKY COVER]
SEASONAL TOTAL 845.0    HIGHEST SLP 30.202" ON THE 30TH                 45.00% 
                        LOWEST  SLP 29.716" ON THE  1ST 
                        AVERAGE SLP 30.004"                   [AVERAGE RELATIVE HUMIDITY]
[STATION RECORDS]                                                       84.00%

13TH - PRECIPITATION - DAILY - 1.18" [PREVIOUSLY 0.78" 1989]
15TH - PRECIPITATION - DAILY - 2.38" [PREVIOUSLY 0.69" 1996]
26TH - TEMPERATURE - TIE MAXIMUM MINIMUM 77 [PREVIOUSLY 1987]
27TH - TEMPERATURE - MAXIMUM 100 [PREVIOUSLY 98 1995]
28TH - TEMPERATURE - MAXIMUM MINIMUM 77 [PREVIOUSLY 1997]
29TH - WIND - MAXIMUM GUST 26 MPH [PREVIOUSLY 25 MPH 1991]
31ST - TEMPERATURE - TIE MINIMUM MAXIMUM 77 [PREVIOUSLY 1984]

YEAR-TO-DATE

[TEMPERATURE DATA]      [PRECIPITATION DATA]

AVERAGE MAXIMUM: 67.0   TOTAL FOR YEAR:   26.94"
AVERAGE MAX DEP: -1.7   DPTR FM NORMAL:   -1.19" OR 96%
AVERAGE MINIMUM: 50.1   GRTST 24HR  2.40" ON  JULY 14TH-15TH
AVERAGE MIN DEP: +0.1   GRTST DAILY 2.38" ON  JULY 15TH                    
AVERAGE MONTHLY: 58.5   SNOW, ICE PELLETS, GLAZE
AVERAGE MON DEP: -0.9   TOTAL:           2.5"                                   
                        GRTST DAILY   0.8" ON  1/21           
HIGHEST: 100 ON  7/27   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:  73  OR 34.34%
MAX 90 OR ABOVE:  13    0.10 INCH OR MORE:  43                                  
MIN 32 OR BELOW:  35    0.50 INCH OR MORE:  17                                  
MIN  0 OR BELOW:   0    1.00 INCH OR MORE:   7

[HDD (BASE 65) ]                                   [# DAYS WITH]
TOTAL         2220.0    CLEAR  (SCALE 0-3)  48     93 FOG                          
                        PTCLDY (SCALE 4-7) 130      0 DENSE FOG    [VSBY  MILE OR LESS]
                        CLOUDY (SCALE 8-10) 34     17 THUNDERSTORMS              
                                                   18 # OF THUNDERSTORMS
[CDD (BASE 65) ]                                   14 SNOW                         
TOTAL          845.0                               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