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 2006
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 88 51 70 -1 0 5    NW 7.3 26 NE 32 513 0  
2 92 58 75 +4 0 10    NW 7.3 17 NW 26 487 1  
3 96 55 76 +6 0 6    NW 7.5 17 W 23 434 4 DL
4 100 62 81 +11 0 16    W 6.0 15 W 27 454 2  
5 100 62 81 +11 0 16    NW 5.9 17 WNW 31 423 0  
6 100 61 80 +10 0 15    W 5.9 25 W 34 442 0  
7 95 57 76 +7 0 11    NW 5.3 16 WNW 39 437 3  
8 92 54 73 +4 0 8    E 6.8 27 WNW 44 420 0  
9 82 58 70 +2 0 5    NW 10.7 32 NW 42 466 4  
10 82 48 65 -3 0 0    E 4.9 17 ESE 46 467 1  
11 89 50 70 +2 0 5    N 4.5 11 N 38 433 4  
12 92 52 72 +5 0 7    W 7.4 36 WNW 35 451 1  
13 83 52 68 +1 0 3 T   NW 12.9 37 NW 38 300 10 KFR 1445
14 66 47 56 -11 9 0 0.04   W 7.7 25 W 53 237 6  
15 62 46 54 -12 11 0 0.05   W 6.5 16 W 79 244 9 KFR 0300
16 71 44 58 -8 7 0    W 8.7 25 NW 49 365 2  
17 75 38 56 -9 9 0    E 4.7 16 E 49 377 2  
18 78 54 66 +1 0 1 T   W 6.0 18 SW 51 334 8  
19 74 47 60 -4 5 0 0.05   NW 8.3 23 NW 61 298 6 KFR 0930
20 67 49 58 -6 7 0 0.07   SW 7.5 23 W 64 158 10  
21 70 45 58 -5 7 0    NW 13.5 35 WNW 55 350 6 DL,KFR 0500
22 73 45 59 -3 6 0    W 7.7 22 NW 48 410 3  
23 78 44 61 -1 4 0    SE 3.9 10 SSE 53 368 7  
24 80 42 61 -1 4 0    W 5.1 13 N 50 403 0  
25 82 45 64 +2 1 0    SE 4.8 14 SE 49 400 0  
26 85 44 64 +2 1 0    NE 3.6 10 ENE 50 381 3  
27 88 50 69 +7 0 4    W 4.7 13 ESE 45 380 0  
28 88 48 68 +6 0 3    SE 4.4 13 WSW 48 380 0  
29 89 50 70 +8 0 5    SE 4.7 12 SE 45 381 0  
30 88 48 68 +7 0 3    NW 7.1 28 WNW 41 319 2  
SUM 71 128 0.21 0
AVG 83.5 50.2 66.8 6.7 3.1
NOTES: PRECIPITATION (IN.) MISC. PHENOM. KEY
Daily summary period is midnight to midnight PST TOTAL FOR THE MONTH0.21 A-Hail, BD-Blowing Dust, BS-Blowing Snow
"T" in columns 7-9 denotes a trace DEPARTURE FROM NORM-0.12 D-Dust, AU-Aurora, DL-Distant Lightning
Snow in columns 8-9 is all frozen precipitation 24HR MAX0.08ON14-15 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) >= T6 >= 0.250 BAROMETRIC PRESSURE (IN.)
AVERAGE FOR THE MONTH66.8 >= 0.014 >= 0.500 AVERAGE STATION29.179
DEPARTURE FROM NORMAL+0.9 >= 0.100 >= 1.000 MAX SEA-LEVEL30.29ON23
HIGHEST100ON6+ SNOW (FROZEN PRECIP.) (IN.) MIN SEA-LEVEL29.55ON8
LOWEST38 ON17 TOTAL FOR THE MONTH0 SOLAR RADIATION (LANGLEYS)
NUMBER OF DAYS WITH: 24HR MAXna ONna AVERAGE DAILY TOTAL383.6
MAXIMUM 32 OR BELOW0 MAX ON GRNDna ONna MAX DAILY513ON1
MAXIMUM 90 OR ABOVE8 WIND (50-FT LEVEL) MIN DAILY158ON20
MINIMUM 32 OR BELOW0 AVERAGE SPEED (MPH)6.7 MISCELLANEOUS NUMBER OF DAYS
MINIMUM 0 OR BELOW0 DEPARTURE FROM NORM-0.6 CLEAR19FOG0
HEATING DEGREE DAYS (BASE 65ºF) PEAK GUSTNW @ 37ON13 PARTLY CLOUDY7 THDR0
TOTAL FOR THE MONTH71 AVERAGE PSYCHROMETRIC DATA CLOUDY4 DUST0
DEPARTURE FROM NORMAL-4 DRY BULB (ºF)66.7WET BULB (ºF)53.3 RELATIVE HUMIDITY EXTREMES (%)
SEASON TOTAL (SINCE JULY 1)78 REL. HUM. (%)44.8DEW PT.(ºF)42.1 HIGHEST98 ON21+
SEASON DEPARTURE FROM NORM-6 + DENOTES LATEST OF MULTIPLE DAYS LOWEST10 ON1