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:
October 2008
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 84 50 67 +6 0 2    NW 5.0 11 WNW 45.9 283 5  
2 77 55 66 +6 0 1 T   SW 6.8 28 SW 57.3 107 10 DL
3 73 50 62 +2 3 0 0.19   SE 5.1 20 SW 74.2 177 10  
4 66 48 57 -2 8 0 0.01   SW 11.1 37 SW 71.8 107 10 KFR 0600
5 66 39 52 -6 13 0    SW 5.2 18 SW 63.3 190 8  
6 67 46 56 -2 9 0 T   NW 4.6 24 SSW 73.8 225 9  
7 69 44 56 -2 9 0    W 14.0 37 WSW 45.1 337 2 KFR 0400
8 63 35 49 -8 16 0    W 6.2 18 WNW 50.8 322 0  
9 59 40 50 -7 15 0 T   NW 6.7 17 WNW 53.3 214 10  
10 62 36 49 -8 16 0    N 11.4 29 NNE 36.4 300 2  
11 60 36 48 -8 17 0    N 11.4 31 NNE 35.5 316 0  
12 60 32 46 -10 19 0    NW 4.6 16 NW 45.2 215 8  
13 73 34 54 -1 11 0    NW 5.8 37 WNW 55.5 280 2 KFR 2230
14 65 41 53 -1 12 0    NW 8.6 33 WNW 42.2 291 8  
15 60 38 49 -5 16 0    SE 6.5 20 NW 45.8 275 5  
16 68 44 56 +3 9 0 T   NW 3.5 10 NE 57.6 266 7  
17 72 42 57 +5 8 0    W 3.7 10 NW 61.8 229 9  
18 71 49 60 +9 5 0    NW 9.0 21 NW 43.5 165 10 KFR 1330
19 64 42 53 +2 12 0    NW 5.9 15 WNW 47.7 257 2  
20 65 42 54 +4 11 0    W 9.7 36 WSW 55.3 158 6 KFR 1630
21 62 35 48 -2 17 0    SW 6.5 20 WNW 45.2 269 0  
22 60 30 45 -5 20 0    NW 5.8 13 NW 52.0 262 0  
23 62 29 46 -3 19 0    W 4.6 12 W 58.5 233 3  
24 64 31 48 -1 17 0    SE 6.0 24 NW 57.2 228 9  
25 67 46 56 +8 9 0    NW 6.4 25 WNW 46.0 193 8  
26 62 36 49 +1 16 0    NW 9.8 24 NE 37.7 236 5  
27 60 36 48 +1 17 0    W 5.3 13 WNW 36.3 233 0  
28 59 28 44 -3 21 0    SE 2.7 10 SSE 55.3 173 10  
29 57 27 42 -4 23 0    N 3.4 10 WNW 63.2 190 6  
30 62 34 48 +3 17 0 T   NW 5.1 18 WNW 60.7 151 9  
31 63 45 54 +9 11 0 0.02   NW 6.7 23 WNW 74.7 106 9 KFR 0500
SUM 396 3 0.22 0
AVG 65.2 39.4 52.3 6.6 5.9
NOTES: PRECIPITATION (IN.) MISC. PHENOM. KEY
Daily summary period is midnight to midnight PST TOTAL FOR THE MONTH0.22 A-Hail, BD-Blowing Dust, BS-Blowing Snow
"T" in columns 7-9 denotes a trace DEPARTURE FROM NORM-0.27 D-Dust, AU-Aurora, DL-Distant Lightning
Snow in columns 8-9 is all frozen precipitation 24HR MAX0.20ON3-4 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) >= T8 >= 0.250 BAROMETRIC PRESSURE (IN.)
AVERAGE FOR THE MONTH52.3 >= 0.013 >= 0.500 AVERAGE STATION29.333
DEPARTURE FROM NORMAL-0.7 >= 0.101 >= 1.000 MAX SEA-LEVEL30.59ON22
HIGHEST84 ON1 SNOW (FROZEN PRECIP.) (IN.) MIN SEA-LEVEL29.31ON4
LOWEST27 ON29 TOTAL FOR THE MONTH0 SOLAR RADIATION (LANGLEYS)
NUMBER OF DAYS WITH: 24HR MAXna ONna AVERAGE DAILY TOTAL225.4
MAXIMUM 32 OR BELOW0 MAX ON GRNDna ONna MAX DAILY337.2ON7
MAXIMUM 90 OR ABOVE0 WIND (50-FT LEVEL) MIN DAILY105.6ON31
MINIMUM 32 OR BELOW6 AVERAGE SPEED (MPH)6.6 MISCELLANEOUS NUMBER OF DAYS
MINIMUM 0 OR BELOW0 DEPARTURE FROM NORM+0.1 CLEAR10FOG0
HEATING DEGREE DAYS (BASE 65ºF) PEAK GUSTWNW @ 37ON13+ PARTLY CLOUDY6 THDR0
TOTAL FOR THE MONTH396 AVERAGE PSYCHROMETRIC DATA CLOUDY15DUST0
DEPARTURE FROM NORMAL+20 DRY BULB (ºF)52.2WET BULB (ºF)44.0 RELATIVE HUMIDITY EXTREMES (%)
SEASON TOTAL (SINCE JULY 1)453 REL. HUM. (%)53.2DEW PT.(ºF)34.1 HIGHEST99 ON3
SEASON DEPARTURE FROM NORM-7 + DENOTES LATEST OF MULTIPLE DAYS LOWEST15 ON26+