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:
September 2003
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 94 56 75 +4 0 10    W 6.2 20 WNW 25 482 0  
2 97 67 82 +11 0 17    NW 6.6 17 WNW 25 439 4  
3 101 56 78 +8 0 13    W 4.4 17 W 28 415 4  
4 102 65 84 +14 0 19    NW 6.7 35 S 26 400 5  
5 100 64 82 +12 0 17    NW 6.3 22 WNW 26 455 0  
6 99 68 84 +14 0 19    NW 6.0 26 WSW 29 413 4  
7 82 58 70 +1 0 5 0.03   SW 8.5 35 WSW 46 280 9 KFR 1600
8 70 52 61 -8 4 0 0.21   W 8.9 27 NW 60 137 9  
9 67 46 56 -12 9 0 T   NE 3.7 14 SE 66 169 9  
10 76 47 62 -6 3 0    SW 6.2 21 WSW 58 260 9  
11 82 58 70 +2 0 5    W 14.2 42 WNW 50 306 10 KFR 1800
12 77 54 66 -1 0 1    NW 10.7 44 WNW 38 441 0  
13 78 44 61 -6 4 0    SE 5.2 19 S 43 433 0  
14 82 41 62 -5 3 0    NW 7.0 37 NW 46 323 8 KFR 1800
15 73 52 62 -4 3 0    NW 7.3 27 WNW 40 322 6  
16 69 45 57 -9 8 0 T   W 11.3 35 W 45 296 7 DL,KFR 1600
17 71 44 58 -7 7 0    W 6.1 23 WNW 43 397 4  
18 79 43 61 -4 4 0    SW 4.5 22 ESE 44 297 9  
19 82 48 65 +1 0 0    NW 11.3 44 NW 46 385 1 KFR 1410
20 78 48 63 -1 2 0    W 6.2 19 WNW 40 394 0  
21 79 51 65 +2 0 0    W 6.8 19 WNW 36 386 3  
22 88 43 66 +4 0 1    E 6.5 32 W 39 400 0  
23 86 53 70 +8 0 5    NW 5.8 26 WNW 40 367 3  
24 86 57 72 +10 0 7    NW 6.5 18 NW 36 377 1  
25 93 62 78 +16 0 13    NW 8.3 24 WNW 29 369 2  
26 91 58 74 +12 0 9    NW 6.9 33 NW 33 358 0  
27 90 60 75 +13 0 10    NW 7.0 18 NE 31 360 0  
28 89 60 74 +12 0 9    NW 7.6 16 NW 36 355 0  
29 88 61 74 +12 0 9    N 9.7 27 NNE 32 311 2 D
30 83 57 70 +9 0 5    N 8.5 24 N 30 343 0  
SUM 47 174 0.24 0
AVG 84.4 53.9 69.2 7.4 3.6
NOTES: PRECIPITATION (IN.) MISC. PHENOM. KEY
Daily summary period is midnight to midnight PST TOTAL FOR THE MONTH0.24 A-Hail, BD-Blowing Dust, BS-Blowing Snow
"T" in columns 7-9 denotes a trace DEPARTURE FROM NORM-0.09 D-Dust, AU-Aurora, DL-Distant Lightning
Snow in columns 8-9 is all frozen precipitation 24HR MAX0.24ON7-8 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) >= T4 >= 0.250 BAROMETRIC PRESSURE (IN.)
AVERAGE FOR THE MONTH69.2 >= 0.012 >= 0.500 AVERAGE STATION29.175
DEPARTURE FROM NORMAL+3.3 >= 0.101 >= 1.000 MAX SEA-LEVEL30.33ON13
HIGHEST102ON4 SNOW (FROZEN PRECIP.) (IN.) MIN SEA-LEVEL29.61ON6
LOWEST41 ON14 TOTAL FOR THE MONTH0 SOLAR RADIATION (LANGLEYS)
NUMBER OF DAYS WITH: 24HR MAXna ONna AVERAGE DAILY TOTAL355.6
MAXIMUM 32 OR BELOW0 MAX ON GRNDna ONna MAX DAILY482ON1
MAXIMUM 90 OR ABOVE9 WIND (50-FT LEVEL) MIN DAILY137ON8
MINIMUM 32 OR BELOW0 AVERAGE SPEED (MPH)7.4 MISCELLANEOUS NUMBER OF DAYS
MINIMUM 0 OR BELOW0 DEPARTURE FROM NORM+0.1 CLEAR16FOG0
HEATING DEGREE DAYS (BASE 65ºF) PEAK GUSTWNW @ 44ON12 PARTLY CLOUDY7 THDR0
TOTAL FOR THE MONTH47 AVERAGE PSYCHROMETRIC DATA CLOUDY7 DUST1
DEPARTURE FROM NORMAL-28 DRY BULB (ºF)69.3WET BULB (ºF)54.0 RELATIVE HUMIDITY EXTREMES (%)
SEASON TOTAL (SINCE JULY 1)47 REL. HUM. (%)38.8DEW PT.(ºF)41.1 HIGHEST88 ON10+
SEASON DEPARTURE FROM NORM-37 + DENOTES LATEST OF MULTIPLE DAYS LOWEST13 ON3