CLIMATOLOGICAL DATA HANFORD METEOROLOGY STATION
25 MILES N.W. OF RICHLAND, WA
LATITUDE 46º 34'N, LONGITUDE 119º 36'W
ELEVATION (GROUND) 733 FEET
MONTH:
August 2002
TEMPERATURE (ºF)
(3-FT LEVEL)
PRECIPITATION WIND (50-FT LEVEL) FRONTS &
MISC PHENOM
D
A
T
E
M
A
X
I
M
U
M
M
I
N
I
M
U
M
A
V
E
R
A
G
E
D
E
P
A
R
T
U
R
E
H
D
D
65
ºF
C
D
D
65
ºF
T
O
T
A
L

IN.
S
N
O
W

IN.
SNOW
ON
GRND
AT
0400

IN.
P
R
E
V
A
I
L
DIR
A
V
E
SPD

MPH
PK
G
U
S
T
SPD

MPH
PK
G
U
S
T
DIR
A
V
E
RH
%
S
O
L
A
R
A
D
S
K
Y
C
V
R
SR
TO
SS
NOTE:TYPES
AND TIMES
OF
FRONTAL
PASSAGES
"KFR"(COLD)
"WFR"(WARM)
1 91 53 72 -7 0 7    NW 8.0 40 WNW 30 615 0  
2 84 59 72 -7 0 7    NW 15.1 34 W 30 635 0  
3 87 56 72 -7 0 7    W 6.2 24 WNW 32 624 1  
4 78 58 68 -11 0 3    W 10.9 28 WNW 39 405 9  
5 78 51 64 -15 1 0    W 7.3 32 NW 38 461 7  
6 78 54 66 -13 0 1    W 8.5 27 NW 40 446 4 T, DL
7 83 51 67 -12 0 2    NW 7.0 23 NW 38 590 0  
8 88 58 73 -6 0 8    W 6.2 21 W 32 578 0  
9 97 56 76 -2 0 11    NW 7.6 34 NW 29 583 0  
10 96 68 82 +4 0 17    NW 12.1 41 NW 35 575 1  
11 91 63 77 -1 0 12    W 7.5 26 WNW 29 567 2  
12 95 65 80 +3 0 15    NW 7.1 20 N 26 577 0  
13 102 69 86 +10 0 21    NW 7.4 27 NNE 23 581 0  
14 103 75 89 +13 0 24    NW 15.0 36 NW 21 577 0  
15 96 68 82 +7 0 17    NW 9.6 39 WNW 28 565 1  
16 88 63 76 +1 0 11    N 8.3 33 WNW 26 561 2 K, KFR 0400
17 96 50 73 -1 0 8    NW 9.8 39 NW 26 549 2  
18 89 60 74 0 0 9    W 6.4 18 WNW 28 527 1  
19 92 58 75 +1 0 10    W 10.0 40 WNW 31 516 7  
20 85 62 74 +1 0 9    NW 11.0 38 NW 40 491 3 T
21 82 58 70 -3 0 5    SE 6.0 22 E 46 420 6 T
22 86 54 70 -3 0 5 T   SE 5.0 22 ESE 49 490 2 DL
23 89 60 74 +1 0 9 0.01   NE 4.5 24 ENE 48 507 0 DL
24 94 61 78 +5 0 13    NE 4.6 18 ENE 36 417 7  
25 96 63 80 +8 0 15    NW 7.5 31 NW 42 482 3  
26 89 65 77 +5 0 12    NW 8.3 30 WNW 42 496 1  
27 93 63 78 +6 0 13    N 7.1 22 NE 41 497 0  
28 96 66 81 +9 0 16    N 7.7 23 NNW 34 493 0  
29 98 64 81 +9 0 16    NW 8.3 36 NW 34 430 3  
30 90 63 76 +4 0 11    NW 7.9 36 WNW 40 495 1  
31 92 65 78 +7 0 13    W 7.4 33 NW 38 467 0  
SUM 1 327 0.01 0
AVG 90.4 60.6 75.5 8.2 2.0
NOTES: PRECIPITATION (IN.) MISC. PHENOM. KEY
Daily summary period is midnight to midnight PST TOTAL FOR THE MONTH0.01 A-Hail, BD-Blowing Dust, BS-Blowing Snow
"T" in columns 7-9 denotes a trace DEPARTURE FROM NORM-0.26 D-Dust, AU-Aurora, DL-Distant Lightning
Snow in columns 8-9 is all frozen precipitation 24HR MAX0.01ON23 F-Fog, IC-Ice Crystals, K-Smoke
Solrad in column 15 is in Langleys; g-cal/sq. cm NUMBER OF DAYS WITH: GL-Glaze, T-Thunderstorm, DS-Drifting Snow
TEMPERATURE (ºF) (3-FT LEVEL) >= T2 >= 0.250 BAROMETRIC PRESSURE (IN.)
AVERAGE FOR THE MONTH75.5 >= 0.011 >= 0.500 AVERAGE STATION29.161
DEPARTURE FROM NORMAL+0.1 >= 0.100 >= 1.000 MAX SEA-LEVEL30.27ON8
HIGHEST103ON14 SNOW (FROZEN PRECIP.) (IN.) MIN SEA-LEVEL29.64ON29
LOWEST50 ON17 TOTAL FOR THE MONTH0 SOLAR RADIATION (LANGLEYS)
NUMBER OF DAYS WITH: 24HR MAXna ONna AVERAGE DAILY TOTAL523.2
MAXIMUM 32 OR BELOW0 MAX ON GRNDna ONna MAX DAILY635ON2
MAXIMUM 90 OR ABOVE17 WIND (50-FT LEVEL) MIN DAILY405ON4
MINIMUM 32 OR BELOW0 AVERAGE SPEED (MPH)8.2 MISCELLANEOUS NUMBER OF DAYS
MINIMUM 0 OR BELOW0 DEPARTURE FROM NORM+0.2 CLEAR25FOG0
HEATING DEGREE DAYS (BASE 65ºF) PEAK GUSTNW @ 41ON10 PARTLY CLOUDY5THDR3
TOTAL FOR THE MONTH1 AVERAGE PSYCHROMETRIC DATA CLOUDY1 DUST0
DEPARTURE FROM NORMAL-4 DRY BULB (ºF)75.6WET BULB (ºF)57.9 RELATIVE HUMIDITY EXTREMES (%)
SEASON TOTAL (SINCE JULY 1)2 REL. HUM. (%)34.5DEW PT.(ºF)44.1 HIGHEST89 ON23
SEASON DEPARTURE FROM NORM-7 + DENOTES LATEST OF MULTIPLE DAYS LOWEST12 ON14+