Portsmouth Weather Records Service
 

Local Climatological Data
*Data Are Subject to Correction by PWRS

Station:  PORTSMOUTH, VIRGINIA
Month:   AUGUST Year: 2002
Latitude: 36° 81' N    Longitude: 76° 33' W
Station Elevation: 20 FT 
Standard Time: EASTERN DAYLIGHT SAVINGS TIME

 
 
Temperature
Degree Days
Precipitation
 Wind
 Sky
Weather
Date
Max
Min
Mn
Dep
HDD
CDD
Total
Snow
Depth
Avg
Dir
GUST
 
Types
1
95
75
85.0
+6
 
20.0
 
0.0
0.0
1.9
NNE
NNE 14
SU
HZ HOT HUMID
2
96
76
86.0
+7
 
21.0
 
0.0
0.0
0.0
SSE
SSE 11
SU
HZ HOT HUMID
3
94
73
83.5
+4
 
18.5
 
0.0
0.0
0.2
SSE
NNE 6
PC
HOT HUMID
4
94
74
84.0
+4
 
19.0
 
0.0
0.0
0.6
SSE
NNE 12
SU
HOT HUMID
5
95
74
84.5
+4
 
19.5
 
0.0
0.0
2.6
S
S 15
SU
HOT HUMID
6
83
74
78.5
-1
 
13.5
T
0.0
0.0
5.5
NNE
NNE 24
PC
-SHRA FROPA BREEZY
7
79
69
74.0
-5
 
9.0
 
0.0
0.0
6.2
NNE
N 22
SU
PLEASANT
8
83
63
73.0
-6
 
8.0
 
0.0
0.0
3.0
NNE
NNE 19
PC
 
9
85
62
73.5
-6
 
8.5
 
0.0
0.0
2.5
NNE
NNE 15
PC
 
10
85
62
73.5
-6
 
8.5
 
0.0
0.0
2.7
NNE
N 15
SU
 
11
92
63
77.5
-2
 
12.5
 
0.0
0.0
2.6
SSE
NE 14
SU
HOT
12
96
70
83.0
+4
 
18.0
 
0.0
0.0
3.0
S
S 15
SU
VERY HOT
13
99
73
86.0
+7
 
21.0
 
0.0
0.0
4.3
S
SSE 14
PC
HZ VERY HOT
14
94
73
83.5
+5
 
18.5
 
0.0
0.0
2.2
S
SW 14
PC
HOT
15
93
73
83.0
+5
 
18.0
0.37
0.0
0.0
4.5
S
W 25
PC
-SHRA (AM) 
DST LTG TS(2)
16
92
73
82.5
+4
 
17.5
0.03
0.0
0.0
2.6
S
S 18
PC
SHRA BR HUMID
17
94
75
84.5
+5
 
19.5
0.30
0.0
0.0
2.9
S
S 21
PC
BR SHRA TSRA (2)
18
92
75
83.5
+5
 
18.5
0.01
0.0
0.0
3.1
S
W 15
PC
-SHRA HOT HUMID
19
96
74
85.0
+8
 
20.0
 
0.0
0.0
2.5
S
W 12
PC
HOT HUMID
20
91
75
83.0
+7
 
18.0
 
0.0
0.0
3.3
SSE
N 16
SU
HOT HUMID
21
85
75
80.0
+4
 
15.0
 
0.0
0.0
3.1
NNE
N 18
PC
COOLER FROPA
22
92
70
81.0
+5
 
16.0
 
0.0
0.0
2.6
S
W 13
PC
HZ HOT HUMID
23
97
75
86.0
+10
 
21.0
 
0.0
0.0
3.8
N
N 19
PC
HZ HOT HUMID
24
100
76
88.0
+11
 
23.0
0.04
0.0
0.0
3.8
W
NE 22
PC
HZ HOT 
HUMID TSRA
25
86
74
80.0
+4
 
15.0
 
0.0
0.0
3.6
NNE
NNE 15
SU
FROPA COOLER
26
83
74
78.5
+2
 
13.5
T
0.0
0.0
1.5
NNE
NNE 18
PC
-SHRA
27
80
70
75.0
-3
 
10.0
0.28
0.0
0.0
2.8
NNE
NE 16
C
SHRA TS BR
28
76
71
73.5
-5
 
8.5
2.00
0.0
0.0
1.3
NNE
NE 12
C
BR SHRA TS(2)
29
74
71
72.5
-6
 
7.5
0.02
0.0
0.0
2.4
N
N 13
C
BR SHRA 
FROPA COOLER
30
74
70
72.0
-4
 
7.0
0.12
0.0
0.0
3.8
NNE
NNE 15
C
BR SHRA
31
76
69
72.5
-4
 
7.5
0.31
0.0
0.0
2.1
NNE
NNE 17
C
BR SHRA

 
Temperature Data
AVERAGE HIGH :  88.7º     DEPARTURE:       + 2.2º
AVERAGE LOW :  71.6º     DEPARTURE:       + 1.9º
MEAN:                80.2º     DEPARTURE:       + 2.1º

HIGHEST: 100° on the 24th
LOWEST: 62 on the 9th & 10th

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

Heating Degree Days
TOTAL THIS MONTH:  0.0 from 0 days
SEASONAL TOTAL: 2731.5 (since 09/2001)

Cooling Degree Days
TOTAL THIS MONTH:  471.0 from 31 days
SEASONAL TOTAL: 1587.0

NUMBER OF:

05 - Days Cloudy
16 - Days Partly Cloudy
10 - Days Clear or Sunny

07 - Days with Fog/Ground Fog
00 - Days with Dense Fog

00 - Days with Frost

05 - Days with Thunderstorms
08 - Thunderstorms

00 - Days with some type of Snowfall

Precipitation Data
TOTAL FOR THE MONTH:   3.48"
DEPARTURE FROM NORMAL:    - 1.79" or 66%
GREATEST DAILY: 2.00" on the 28th
GREATEST IN 24-HR PERIOD: 2.00" on the 28th
AVERAGE DAILY: 0.11"
NORMAL DAILY:   0.17"
# DAYS WITH MEASURABLE PRECIPITATION:  10 or 32.26%

MAXIMUM FOR AUGUST:  15.06" in 1992 -->  (since
MINIMUM FOR  AUGUST:   1.33" in 1995 -->  1976)
NORMAL FOR  AUGUST:  5.34" (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 --
AUGUST MAX = 0.0" in ----

Number of Days:
WITH 0.01" OR MORE PRECIP: 10
WITH 0.10" OR MORE PRECIP: 6
WITH 0.50" OR MORE PRECIP: 1
WITH 1.00" OR MORE PRECIP: 1

Pressure Data
HIGHEST SEA-LEVEL:  30.309" on the 31st
LOWEST SEA-LEVEL:  29.785" on the 24th

Wind
PEAK WIND GUST: 25 mph from the W on the 15th
AVERAGE SPEED:   2.81 mph from a dominant E direction


 
  • AUGUST STATION RECORDS: 
  • 3rd WARMEST AUGUST IN DATABASE
  • 11th - Minimum Temperature TIED 63° [previously in 1993]
  • 13th - Maximum Temperature 99° [previously 96° in 1988]
  • 19th - Maximum Temperature 96° [previously 95° in 1988]
  • 20th - Maximum Minimum Temperature 75° [previously 74° in 1985] 
  • 21st - Maximum Minimum Temperature 75° [previously 74° in 1983]
  • 23rd - Maximum Temperature 97° [previously 96° in 1998]
  • 24th - Maximum Temperature 100° [previously 95° in 1998]
  • 24th - Maximum Minimum Temperature 76° [previously 75° in 1984]
  • 25th - Maximum Minimum Temperature TIED 74° [previously in 1979]
  • 27th - Minimum Maximum Temperature 80° [previously 81° in 1995]
  • 28th - Daily Precipitation 2.00" [previously 1.13" in 1986]
  • YEAR-TO-DATE 2002 through 8/31/02

    Temperature Data
    AVERAGE HIGH :  73.9º   DEPARTURE:   +2.8º
    AVERAGE LOW :  54.6º   DEPARTURE:   +2.1º
    MEAN:                64.2º   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
    49 - MAX 90º OR ABOVE
    36 - MIN 32º OR BELOW
    00 - MIN 0º OR BELOW

    Heating Degree Days
    TOTAL:  1775.0

    Cooling Degree Days
    TOTAL:  1587.0

    NUMBER OF:

    025 - Days Cloudy
    154-  Days Partly Cloudy
    064 - Days Clear or Sunny

    097 - Days with Fog/Ground Fog
    003 - Days with Dense Fog

    12 - Days with Frost

    29 - Days with Thunderstorms
    42 - Thunderstorms

    04 - Days with some type of Snowfall

    Precipitation Data
    TOTAL:  28.93"
    DEPARTURE FROM NORMAL:   - 4.20" or 87%
    GREATEST DAILY: 2.00" on the 28th of August
    GREATEST IN 24-HR PERIOD: 2.00" on the 28th of August
    AVERAGE DAILY: 0.12"
    NORMAL DAILY: 0.14"
    # DAYS WITH MEASURABLE PRECIPITATION:  75 or 30.86%

    MAXIMUM:  5.49" in March
    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: 75
    WITH 0.10" OR MORE PRECIP: 52
    WITH 0.50" OR MORE PRECIP: 19
    WITH 1.00" OR MORE PRECIP: 09

    Pressure Data
    HIGHEST SEA-LEVEL: 30.601" on March 1st
    LOWEST SEA-LEVEL:  29.450" on January 6th


     
    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