Portsmouth Weather Records Service
 

Local Climatological Data
*Data Are Subject to Correction by PWRS

 Station:  PORTSMOUTH, VIRGINIA
Month:   OCTOBER Year: 2002
Latitude: 36° 81' N    Longitude: 76° 33' W
Station Elevation: 20 FT 
Standard Time: EASTERN DAYLIGHT SAVINGS TIME (1ST-26TH)
                          EASTERN STANDARD TIME (27TH-21ST)

 
 
Temperature
Degree Days
Precipitation
 Wind
 Sky
Weather
Date
Max
Min
Mn
Dep
HDD
CDD
Total
Snow
Depth
Avg
Dir
GUST
  
Types
1
82
61
71.5
+5
 
6.5
 
 
 
1.4
VAR
W 12
SU
BR
2
86
67
76.5
+9
 
11.5
 
 
 
1.5
S
W 14
SU
BR
3
86
70
78.0
+12
 
13.0
 
 
 
1.2
S
NNE 12
SU
BR HZ WARM
4
84
68
76.0
+9
 
11.0
 
 
 
1.6
SE
SE 11
PC
BR HZ
5
88
72
80.0
+14
 
15.0
 
 
 
3.3
S
S 24
PC
BR HZ
6
76
66
71.0
+6
 
6.0
 
 
 
4.3
NNE
NNE 22
PC
FROPA COOLER
7
80
64
72.0
+9
 
7.0
 
 
 
2.0
NE
NE 22
PC
BR FROPA
8
72
63
67.5
+5
 
2.5
 
 
 
5.5
NNE
NNE 20
PC
BREEZY COOLER DRIER
9
73
60
66.5
+3
 
1.5
T
 
 
1.9
NNE
NE 13
PC
-SHRA
10
78
66
72.0
+10
 
7.0
0.25
 
 
1.2
S
SE 10
C
SHRA BR
11
75
70
72.5
+9
 
7.5
3.85
 
 
1.8
NNE
NNE 15
C
RA +SHRA BR
12
73
68
70.5
+8
 
5.5
0.01
 
 
3.8
N
N 24
C
-RA DZ BR FROPA
13
75
65
70.0
+7
 
5.0
T
 
 
1.8
N
N 14
PC
-SHRA FROPA
14
70
57
63.5
+1
1.5
 
 
 
 
6.9
NNE
NNE 28
PC
BREEZY COOLER
15
68
57
62.5
+1
2.5
 
0.14
 
 
2.8
NNE
NE 21
C
SHRA BR RA
16
66
56
61.0
0
4.0
 
0.35
 
 
4.3
N
NE 21
C
RA BR DZ FROPA
17
69
52
60.5
0
4.5
 
 
 
 
1.2
W
W 19
PC
+FG
18
60
50
55.0
-6
10
 
 
 
 
2.1
N
NW 14
SU
FROPA  COOLER
19
70
47
58.5
-1
6.5
 
 
 
 
2.7
S
S 19
SU
CHILLY (AM)
20
71
57
64.0
+4
1.0
 
 
 
 
2.6
S
W 14
PC
FROPA
21
64
53
58.5
-1
6.5
 
0.64
 
 
3.8
N
N 20
C
RA BR CHILLY
22
64
54
59.0
0
6.0
 
0.02
 
 
1.7
NNE
N 14
PC
-RA(AM) BR
23
67
48
57.5
-2
7.5
 
 
 
 
1.3
N
N 12
SU
-BR FROPA
24
66
56
61.0
+2
4.0
 
 
 
 
3.5
NNE
NNE 16
PC
 
25
66
59
62.5
+3
2.5
 
0.01
  
 
3.4
NE
NE 17
PC
-SHRA
26
70
58
64.0
+5
1.0
 
T
 
 
2.6
W
W 17
PC
-SHRA FROPA
27
65
56
60.5
+3
4.5
 
 
 
 
1.3
NNE
NNE 13
PC
 
28
63
55
59.0
+1
6.0
 
0.74
 
 
2.0
NNE
N 18
C
BR RA
29
59
55
57.0
+1
8.0
 
0.65
 
 
3.8
N
N 18
C
BR RA FROPA
30
56
45
50.5
-6
14.5
 
0.21
 
 
4.6
N
N 18
C
BR -RA DZ 
CHILLY FROPA
31
48
41
44.5
-13
20.5
 
T
 
 
3.9
N
N 21
PC
BR DZ -SHRA COOL DAMP

 
Temperature Data
AVERAGE HIGH :  70.6º     DEPARTURE:       - 0.1º
AVERAGE LOW :  58.6º     DEPARTURE:       + 6.2º
MEAN:                64.6º     DEPARTURE:       + 3.1º

HIGHEST: 88° on the 5th
LOWEST: 41° on the 31st

Number of Days:
00 - MAX 100º OR ABOVE
00 - MAX 32º OR BELOW
00 - MAX 90º OR ABOVE
00 - MIN 32º OR BELOW
00 - MIN 0º OR BELOW

Heating Degree Days
TOTAL THIS MONTH:  111.0 from 18 days
SEASONAL TOTAL: 111.0 (since 09/2002)

Cooling Degree Days
TOTAL THIS MONTH:  99.0 from 13 days
SEASONAL TOTAL: 1958.5

NUMBER OF:

09 - Days Cloudy
16 - Days Partly Cloudy
06 - Days Clear or Sunny

19 - Days with Fog/Ground Fog
01 - Days with Dense Fog

00 - Days with Frost

00 - Days with Thunderstorms
00 - Thunderstorms

00 - Days with some type of Snowfall

 Precipitation Data
TOTAL FOR THE MONTH:   6.87"
DEPARTURE FROM NORMAL:    + 3.27" or 191%
GREATEST DAILY: 3.85" on the 11th
GREATEST IN 24-HR PERIOD: 3.85" on the 11th
AVERAGE DAILY: 0.22"
NORMAL DAILY:   0.12"
# DAYS WITH MEASURABLE PRECIPITATION:  11 or 35.49%

MAXIMUM FOR OCTOBER:  11.60" in 1999 -->  (since
MINIMUM FOR  OCTOBER:    0.02" in 2000 -->  1976)
NORMAL FOR  OCTOBER:  3.47" (1976-2001)

Snowfall, Ice Pellets
TOTAL FOR THE MONTH: 0.0"
GREATEST IN 24 HOURS: 0.0" on the --
GREATEST DEPTH ON GROUND: 0.0" on the --
OCTOBER MAX = 0.0" in ----

Number of Days:
WITH 0.01" OR MORE PRECIP: 11
WITH 0.10" OR MORE PRECIP: 8
WITH 0.50" OR MORE PRECIP: 4
WITH 1.00" OR MORE PRECIP: 1

Pressure Data
HIGHEST SEA-LEVEL:  30.340" on the 24th
LOWEST SEA-LEVEL:  29.429" on the 16th

Wind
PEAK WIND GUST:28 mph from the NNE on the 14th
AVERAGE SPEED:   2.81 mph from a dominant N direction

 
  • OCTOBER STATION RECORDS: 3rd WETTEST OCTOBER / 4TH WARMEST OCTOBER IN DATABASE
  • 3rd - Temperature - Maximum Minimum 70° [previously 68° in 1985]
  • 6th - Temperature - Maximum 88° [previously 87° in 1995]
  • 10th - Temperature TIED - Maximum Minimum 66° [previously in 1997]
  • 11th - Precipitation - 3.85" [previously 0.34" in 1980]
  • 28th - Precipitation - 0.74" [previously 0.30" in 1995]
  • 29th - Precipitation - 0.65" [previously 0.32" in 1977]
  • 31st - Temperature - Minimum Maximum 48° [previously 58° in 1980]
    		•

    YEAR-TO-DATE 2002 through 10/31/02

    Temperature Data
    AVERAGE HIGH :  74.2º   DEPARTURE:   +2.2º
    AVERAGE LOW :  56.2º   DEPARTURE:   +2.6º
    MEAN:                65.2º   DEPARTURE:   +2.4º

    HIGHEST: 100° on the 24th of August
    LOWEST: 23º on 5th of January & the 5th of March

    Number of Days:
    01 - MAX 100º OR ABOVE
    00 - MAX 32º OR BELOW
    50 - MAX 90º OR ABOVE
    36 - MIN 32º OR BELOW
    00 - MIN 0º OR BELOW

    Heating Degree Days
    TOTAL:  1886.0

    Cooling Degree Days
    TOTAL:  1958.5

    NUMBER OF:

    039 - Days Cloudy
    188-  Days Partly Cloudy
    077 - Days Clear or Sunny

    130 - Days with Fog/Ground Fog
    004 - Days with Dense Fog

    12 - Days with Frost

    35 - Days with Thunderstorms
    48 - Thunderstorms

    04 - Days with some type of Snowfall

    		 Precipitation Data
    TOTAL:  40.98"
    DEPARTURE FROM NORMAL:   - 0.39" or 99%
    GREATEST DAILY: 3.85" on the 11th of October
    GREATEST IN 24-HR PERIOD: 3.85" on the 11 of October
    AVERAGE DAILY: 0.13"
    NORMAL DAILY: 0.14"
    # DAYS WITH MEASURABLE PRECIPITATION:  97 or 31.91%

    MAXIMUM:  6.87" in October
    MINIMUM:   1.63" in February

    Snowfall, Ice Pellets
    TOTAL: 9.2"
    GREATEST IN 24 HOURS: 9.0" on January 2nd - 3rd
    GREATEST DEPTH ON GROUND: 9.0" on January 3rd

    Number of Days:

    WITH 0.01" OR MORE PRECIP: 97
    WITH 0.10" OR MORE PRECIP: 67
    WITH 0.50" OR MORE PRECIP: 27
    WITH 1.00" OR MORE PRECIP: 11

    Pressure Data
    HIGHEST SEA-LEVEL: 30.601" on March 1st
    LOWEST SEA-LEVEL:  29.429" on October 16th

     
    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