Portsmouth Weather Records Service
 

Local Climatological Data
*Data Is Subject to Correction by PWRS

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

                                          STATION:   PORTSMOUTH, VIRGINIA
                                          MONTH:     OCTOBER
                                          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  77  57   67.0    0   0.0   2.0  0.00   0    0 045  1.9 045 17 0325 0208  99  55  SU         PLEASANT
 2  77  55   66.0   -1   0.0   1.0  0.00   0    0 045  2.4 023 17 0387 0320 100  60  SU         PLEASANT
 3  78  60   69.0   +3   0.0   4.0  0.00   0    0 045  3.7 045 17 0356 0295 100  77  PC
 4  80  69   74.5   +8   0.0   9.5  0.02   0    0 045  5.8 045 21 0308 0242  99  76  PC         -SHRA
 5  79  72   75.5   +9   0.0  10.5     T   0    0 034  4.5 023 17 0274 0193  99  81  PC         -SHRA VERY HUMID
 6  83  72   77.5  +12   0.0  12.5  0.09   0    0 023  2.0 158 21 0193 0038 100  73  PC 1       SHRA              
 7  78  71   74.5  +11   0.0   9.5  0.68   0    0 158  4.4 158 28 0038 9781 100  97   C 1       SHRA   
 8  75  70   72.5   +9   0.0   7.5  6.05   0    0 158  4.3 158 24 9788 9568 100 100   C 1       +SHRA FROPA
 9  70  62   66.0   +2   0.0   1.0  0.08   0    0 023  5.3 023 18 9963 9736 100 100   C 1       DZ 
10  69  65   67.0   +4   0.0   2.0  0.11   0    0 045  5.4 045 16 9994 9939 100 100   C 1       DZ SHRA
11  68  65   66.5   +3   0.0   1.5  0.03   0    0 023  5.7 023 21 0019 9977 100 100   C 1       DZ -SHRA
12  67  61   64.0   +2   1.0   0.0  0.00   0    0 023  6.8 023 20 0028 9985 100  90   C 1       BREEZY
13  63  59   61.0   -1   4.0   0.0  0.04   0    0 360  5.4 360 21 9993 9900 100  98   C 1       -DZ -RA
14  68  62   65.0   +2   0.0   0.0     T   0    0 360  5.7 360 20 9900 9833 100  85   C 1       -DZ
15  77  58   67.5   +6   0.0   2.5  0.00   0    0 293  3.4 293 21 9834 9659  92  53  SU         FROPA
16  70  51   60.5   -1   4.5   0.0  0.00   0    0 360  3.3 360 21 9902 9794  95  46  SU
17  69  50   59.5   -1   5.5   0.0  0.00   0    0 293  3.5 270 19 9956 9856  88  49  SU
18  80  49   64.5   +4   0.5   0.0  0.00   0    0 180  2.3 180 21 9903 9777  90  53  SU     
19  80  53   66.5   +6   0.0   1.5  0.00   0    0 180  1.5 158 15 0001 9884 100  53  SU 1
20  78  61   69.5   +9   0.0   4.5  0.00   0    0 023  3.8 045 20 0012 9901  98  61  PC 18      FROPA
21  73  63   68.0   +8   0.0   3.0     T   0    0 023  2.3 360 17 9984 9850  98  81   C 18      DZ
22  75  59   67.0   +8   0.0   2.0     T   0    0 180  3.4 293 21 9850 9570 100  72  PC 18      -SHRA FROPA
23  67  48   57.5   -2   7.5   0.0  0.00   0    0 293  2.1 270 15 9922 9715  91  46  SU         DRY  
24  62  50   56.0   -3   9.0   0.0  0.88   0    0 045  3.3 045 22 9907 9396 100  80   C 1       RA
25  61  45   53.0   -6  12.0   0.0  0.29   0    0 270  6.8 270 24 9699 9336 100  72  PC 1       -RA DZ FROPA
26  61  43   52.0   -7  13.0   0.0  0.00   0    0 270  4.3 360 25 0139 9699  86  55  PC
27  62  41   51.5   -6  13.5   0.0  0.00   0    0 030  1.7 023 14 0264 0134 100  56  SU
28  57  45   51.0   -7  14.0   0.0  0.03   0    0 023  4.3 045 21 0287 0203  95  62   C 1       -RA
29  54  39   46.5   -9  18.5   0.0  0.00   0    0 360  3.0 360 22 0312 0270  97  52  SU 1
30  70  36   53.0   -4  12.0   0.0  0.00   0    0 270  2.0 023 24 0391 0300  96  37  SU
31  75  39   57.0   -1   8.0   0.0  0.00   0    0 180  1.6 180 13 0352 0225  99  38  SU
==============================================================================================================================
SUM                    123.0  74.5  8.30   0    0          
==============================================================================================================================
AV 71.1 55.8 63.4  +1.9            +4.59   0    0 104  3.75       0076 9929  97  70
==============================================================================================================================
NOTES:
WINDS IN M.P.H.
                      
 CLIMATOLOGICAL DATA (WS-TYPE FORM: F-6)  

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

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

AVERAGE MAXIMUM: 71.1   TOTAL FOR MONTH:   8.30"           1 = FOG
AVERAGE MAX DEP: +0.5   DPTR FM NORMAL:   +4.59" OR 224%   2 = FOG REDUCING VISIBILITY
AVERAGE MINIMUM: 55.8   GRTST 24HR  6.53" ON  7TH - 8TH        TO  MILE OR LESS
AVERAGE MIN DEP: +3.3   GRTST DAILY 6.05" ON  8TH          3 = THUNDER
AVERAGE MONTHLY: 63.4   SNOW, ICE PELLETS, GLAZE           4 = ICE PELLETS              
AVERAGE MON DEP: +1.9   TOTAL MONTH:  0.00"                5 = HAIL
                        GRTST DAILY   0.00" ON --          6 = GLAZE OR RIME            
HIGHEST:  83 ON    6    GRTST 24HR    0.00" ON --          7 = BLOWING DUST OR SAND:    
LOWEST:   36 ON   30    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:  11 OR 35.48%
MAX 90 OR ABOVE:   0    0.10 INCH OR MORE:   5                                  
MIN 32 OR BELOW:   0    0.50 INCH OR MORE:   3                                  
MIN  0 OR BELOW:   0    1.00 INCH OR MORE:   1                                  

[HDD (BASE 65) ]                                   [# DAYS WITH]
TOTAL THIS MO. 123.0 
                        CLEAR  (SCALE 0-3)  12     17 FOG
                        PTCLDY (SCALE 4-7)   8      0 DENSE FOG    [VSBY  MILE OR LESS]
SEASONAL       123.0    CLOUDY (SCALE 8-10) 11      0 THUNDERSTORMS
                                                    0 # OF THUNDERSTORMS
[CDD (BASE 65) ]                                    0 SNOW                         
TOTAL THIS MO.   74.5                               0 FROST
                        [PRESSURE DATA]                       [AVERAGE SKY COVER]
SEASONAL TOTAL 1679.0   HIGHEST SLP 30.391" ON THE 30TH                 48.23% 
                        LOWEST  SLP 29.356" ON THE 25TH 
                        AVERAGE SLP 30.003"                   [AVERAGE RELATIVE HUMIDITY]
                                                                        86.00%
[STATION RECORDS]

 6TH - TEMPERATURE TIED - MAXIMUM MINIMUM - 72 [PREVIOUS 1995]
 7TH - PRECIPITATION - 0.68" [PREVIOUS 1995]
 7TH - TEMPERATURE - MAXIMUM MINIMUM - 71 [PREVIOUS 69 1995]
 8TH - PRECIPITATION - 6.05" [PREVIOUS 3.42" 1996]
 8TH - TEMPERATURE - MAXIMUM MINIMUM - 70 [PREVIOUS 68 1990]
24TH - PRECIPITATION - 0.88" [PREVIOUS - 0.33" 1982]
29TH - TEMPERATURE - MINIMUM MAXIMUM 54 [PREVIOUS 55 1990]

YEAR-TO-DATE

[TEMPERATURE DATA]      [PRECIPITATION DATA]

AVERAGE MAXIMUM: 71.0   TOTAL FOR YEAR:   41.58"
AVERAGE MAX DEP: -0.9   DPTR FM NORMAL:   -0.42" OR  99%
AVERAGE MINIMUM: 54.6   GRTST 24HR  6.53" ON  OCTOBER 7TH-8TH
AVERAGE MIN DEP: +0.9   GRTST DAILY 6.05" ON  OCTOBER 8TH                  
AVERAGE MONTHLY: 62.8   SNOW, ICE PELLETS, GLAZE
AVERAGE MON DEP:  0.0   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: 101  OR 33.22%
MAX 90 OR ABOVE:  26    0.10 INCH OR MORE:  58                                  
MIN 32 OR BELOW:  35    0.50 INCH OR MORE:  25                                  
MIN  0 OR BELOW:   0    1.00 INCH OR MORE:   9

[HDD (BASE 65) ]                                   [# DAYS WITH]
TOTAL         2340.5    CLEAR  (SCALE 0-3)  84    156 FOG                          
                        PTCLDY (SCALE 4-7) 172      0 DENSE FOG    [VSBY  MILE OR LESS]
                        CLOUDY (SCALE 8-10) 48     24 THUNDERSTORMS              
                                                   26 # OF THUNDERSTORMS
[CDD (BASE 65) ]                                   14 SNOW                         
TOTAL         1679.0                               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