Portsmouth Weather Records Service
 

Local Climatological Data
*Data Are Subject to Correction by PWRS

Station:  PORTSMOUTH, VIRGINIA
Month:   JANUARY 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:     JANUARY 
                                          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  65  55   60.0  +16   5.0    0 0.33 0.0    0 220  4.4 245 18 0084 9600 100  85   C         BREEZY WARMFROPA SHRA DSTLTG 
 2  56  45   50.5   +8  14.5    0 0.00 0.0    0 023  3.1 245 16 0005 9712  98  80   C 1       COLDFROPA
 3  54  40   47.0   +5  18.0    0 0.02 0.0    0 023  2.5 340 23 0006 9718 100  79   C 1       SHRA COLDFROPA
 4  43  31   37.0   -4  28.0    0 0.00 0.0    0 295  3.2 295 17 0187 9832  92  69  PC         FROST(EVE)
 5  46  29   37.5   -2  27.5    0 0.00 0.0    0 180  0.9 180 15 0222 0087  97  60  PC         FROST(AM)
 6  51  33   42.0   +1  23.0    0 0.34 0.8  0.8 360  3.0 245 19 0077 9927  95  66  PC         RA SN FROPA
 7  38  28   33.0  -10  32.0    0 0.00 0.0  0.2 295  7.3 340 25 0227 9768  91  43  SU         WINDY COLD
 8  55  38   46.5   +7  18.5    0 0.00 0.0    0 220  9.1 220 29 9768 9451  61  48  SU         WINDY WARMFROPA
 9  67  50   58.5  +19   6.5    0 0.00 0.0    0 245  8.3 245 26 9592 9373  59  35  SU         BREEZY WARM
10  58  36   47.0   +8  18.0    0 0.00 0.0    0 270  3.9 245 19 9935 9525  69  37  PC         BREEZY FROPA COLDER        
11  42  28   35.0   -3  30.0    0 0.00 0.0    0 270  4.1 245 18 0178 9935  70  26  SU         COLD
12  37  28   32.5   -7  32.5    0 0.00 0.0    0 360  4.1 360 22 0343 0147  62  27  SU         FROPA BREEZY COLD
13  48  26   37.0   -3  28.0    0 0.00 0.0    0 220  4.4 245 21 0340 9992  63  19  SU         BREEZY DRY
14  39  34   36.5   -3  28.5    0    T   T  0.0 023  3.4 360 17 0209 0073  63  34  PC         FROPA -SHSN(EVE)
15  38  25   31.5   -8  33.5    0 0.01 0.4  0.4 360  3.7 270 21 0318 0102  78  33  PC         -SN FROPA
16  37  25   31.0   -7  34.0    0 0.30 2.0  2.0 360  3.2 360 12 0422 9899 100  35  PC 1,4     SN PL RA
17  34  26   30.0   -8  35.0    0    T   T  2.0 360  3.8 360 18 0158 9794 100  65   C 1,4     RA SN PL FROPA
18  28  19   23.5  -16  41.5    0 0.00 0.0    0 360  3.6 360 19 0316 0085  80  48  SU         VERY COLD
19  35  21   28.0   -9  37.0    0 0.00 0.0    0 200  4.6 200 27 0110 9991  78  40  SU         BREEZY COLD
20  55  31   43.0   +5  22.0    0 0.00 0.0    0 200  8.9 245 33 0000 9776  70  41  SU         WINDY FROPA
21  34  27   30.5   -7  34.5    0 0.02   T    T 045  5.0 045 17 0095 9956  86  58  PC         -SG -SN -SHSN COLD DAMP
22  34  24   29.0   -9  36.0    0    T   T    T 360  6.1 360 19 0160 0051  78  44  PC         -SHSN
23  28  15   21.5  -19  43.5    0 0.07 2.0  2.0 295  7.7 295 29 0098 9901  90  42  PC 1,9     SHSN SN FROPA BITTER COLD
24  37  15   26.0  -17  39.0    0 0.00 0.0    0 295  6.8 360 29 0376 0019  75  40  SU         BREEZY COLD
25  42  19   30.5  -11  34.5    0 0.00 0.0    0 245  2.4 245 18 0383 0245  80  39  SU         
26  44  27   35.5   -3  29.5    0 0.00 0.0    0 243  4.6 360 19 0256 9973  75  47  SU
27  36  18   27.0  -13  38.0    0    T   T    T 360  7.3 360 27 0493 0076  87  40  PC         FROPA SHSN
28  43  16   29.5  -10  35.5    0 0.00 0.0    0 200  3.3 200 16 0467 0200  79  37  PC
29  49  36   42.5   +2  22.5    0 0.22 0.0    0 200  5.2 200 22 0236 0061  98  47   C 1       -RA FROPA
30  38  34   36.0   -6  29.0    0 1.27 0.0    0 360  5.2 360 18 0327 0191 100  98   C 1       RA DAMP COLD
31  38  35   36.5   -5  28.5    0 0.12 0.0    0 360  3.7 360 19 0327 0191 100 100   C 1       -SHRA DAMP DZ 
===============================================================================================================================
SM                     883.5    0 2.70 5.2  2.0                
===============================================================================================================================
AV 43.5 29.5 36.5 -3.5            0.09          250  4.7        0018 9917  83  50                                        
===============================================================================================================================
NOTES:                                                  
WINDS IN M.P.H.

PRELIMINARY LOCAL CLIMATOLOGICAL DATA (WS-TYPE FORM: F-6) , PAGE 2

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

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

AVERAGE MAXIMUM: 43.5   TOTAL FOR MONTH:   2.70            1 = FOG                      
AVERAGE MAX DEP: -5.0   DPTR FM NORMAL:   -1.31            2 = FOG REDUCING VISIBILITY  
AVERAGE MINIMUM: 29.5   GRTST 24HR  1.34 ON  30,31             TO 1/4 MILE OR LESS      
AVERAGE MIN DEP: -2.1   GRTST DAILY 1.27 ON  30            3 = THUNDER                  
AVERAGE MONTHLY: 36.5   SNOW, ICE PELLETS, HAIL            4 = ICE PELLETS              
AVERAGE MON DEP: -3.5   TOTAL MONTH:    5.2                5 = HAIL                     
                        GRTST DAILY   2.0 ON 16,23         6 = GLAZE OR RIME            
HIGHEST:    67 ON  9    GRTST 24HR    2.0 ON 16,23         7 = BLOWING DUST OR SAND:    
LOWEST:     15 ON 23,   GRTST DEPTH:  2.0 ON 16,23             VSBY  MILE OR LESS    
                  24                                       8 = SMOKE OR HAZE            
[NO. OF DAYS WITH]      [PRECIP  - DAYS WITH]              9 = BLOWING SNOW             
                                                           X = TORNADO                  
MAX 32 OR BELOW:   2    0.01 INCH OR MORE:  10 0R 32.26%
MAX 90 OR ABOVE:   0    0.10 INCH OR MORE:   6                                  
MIN 32 OR BELOW:  20    0.50 INCH OR MORE:   1                                  
MIN  0 OR BELOW:   0    1.00 INCH OR MORE:   1                                  

[HDD (BASE 65) ]                                        [# DAYS WITH]
TOTAL THIS MO. 883.5    CLEAR  (SCALE 0-3)  12          8 FOG                          
                        PTCLDY (SCALE 4-7)  12          0 DENSE FOG    [VSBY 1/4 MILE OR LESS]
SEASONAL      2125.5    CLOUDY (SCALE 8-10)  7          0 THUNDERSTORMS              
                                                        0 # OF THUNDERSTORMS
[CDD (BASE 65) ]        PEAK WIND 245 33 ON THE 20TH   9 SNOW                         
TOTAL THIS MO.     0                                    2 FROST                     
                        [PRESSURE DATA]                                         
SEASONAL TOTAL     0    HIGHEST SLP 30.493" ON THE 27TH                         
                        LOWEST  SLP 29.373" ON THE  9TH                         

[STATION RECORDS]
1st  - TEMPERATURE - MAXIMUM MINIMUM 55 [PREVIOUSLY 53 IN 1979]
2nd  - TEMPARATURE - MAXIMUM 67 [PREVIOUSLY 66 IN 1998]
2nd  - TEMPERATURE - MAXIMUM MINIMUM 50 [PREVIOUSLY 48 IN 1998]
23rd - TEMPERATURE - MINIMUM 15 [PREVIOUSLY 16 IN 1985]
23rd - SNOWFALL - 2.0" [PREVIOUSLY 0.6" IN 2000]
24th - TEMPERATURE - MINIMUM 15 [PREVIOUSLY 17 IN 1987]
25th - TEMPERATURE - MINIMUM 19 [PREVIOUSLY 21 IN 1982]
29th - PRECIPITATION - TIED 0.22" [PREVIOUSLY IN 1990]
30th - PRECIPITATION - 1.27" [PREVIOUSLY 1.19" IN 2000]

YEAR-TO-DATE

[TEMPERATURE DATA]      [PRECIPITATION DATA]                                                

AVERAGE MAXIMUM: 43.5   TOTAL FOR YEAR:    2.70
AVERAGE MAX DEP: -5.0   DPTR FM NORMAL:   -1.31                                  
AVERAGE MINIMUM: 29.5   GRTST 24HR  1.34 ON  1/30,31                      
AVERAGE MIN DEP: -2.1   GRTST DAILY 1.27 ON  1/30                               
AVERAGE MONTHLY: 36.5   SNOW, ICE PELLETS, HAIL                                 
AVERAGE MON DEP: -3.5   TOTAL MONTH:    5.2                                     
                        GRTST DAILY   2.0 ON 1/16, 1/23
HIGHEST:    67 ON  1/9  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:  10  OR 32.26%                      
MAX 90 OR ABOVE:   0    0.10 INCH OR MORE:   6                                  
MIN 32 OR BELOW:  20    0.50 INCH OR MORE:   1                                  
MIN  0 OR BELOW:   0    1.00 INCH OR MORE:   1                                  

[HDD (BASE 65) ]                                        [# DAYS WITH]
TOTAL          883.5    CLEAR  (SCALE 0-3)  12           8 FOG                          
                        PTCLDY (SCALE 4-7)  12           0 DENSE FOG    [VSBY 1/4 MILE OR LESS]
SEASONAL      2125.5    CLOUDY (SCALE 8-10)  7           0 THUNDERSTORMS              
                                                         0 # OF THUNDERSTORMS
[CDD (BASE 65) ]        PEAK WIND 245 33 ON 1/20        9 SNOW                         
TOTAL THIS MO.     0                                     2 FROST                     
                        [PRESSURE DATA]                                         
SEASONAL TOTAL     0    HIGHEST SLP 30.493" ON THE 27TH OF JANUARY
                        LOWEST  SLP 29.373" ON THE  9TH 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 > 5/8 but <=6 statute miles and
below to 5/8 mile
DU   Dust (widespread)
DS   Duststorm
DZ   Drizzle
FC   Funnel Cloud
FC+  Tornado/waterspout
FG   Fog with visibility <= 5/8 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