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:
March 2009
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 47 37 42 0 23 0 0.16   NW 9.6 20 NW 75.2 91.2 10  
2 53 38 46 +4 19 0 0.02   SE 6.8 34 W 85.1 130.810 KFR 0610
3 55 37 46 +4 19 0 0.31   W 5.1 30 WSW 86.2 196.89  
4 52 31 42 0 23 0 T   SW 6.5 24 W 71.2 250.84  
5 48 28 38 -4 27 0 0.06 T  SW 12.7 44 WSW 63.5 105.010 A, KFR 0815
6 44 26 35 -8 30 0    S 5.8 14 WSW 52.6 339.61  
7 54 22 38 -6 27 0    W 10.0 49 W 65.9 322.82 BD, KFR 1245
8 45 27 36 -8 29 0    W 7.7 19 WSW 55.7 294.08  
9 42 22 32 -13 33 0 0.02 0.3  W 6.1 27 NW 72.4 225.06 DL
10 34 17 26 -20 39 0    NE 5.8 18 NE 49.2 367.22  
11 38 19 28 -18 37 0    N 6.2 16 N 50.8 342.64  
12 44 16 30 -16 35 0    W 4.6 11 WNW 52.0 368.41  
13 48 20 34 -12 31 0    NW 3.9 12 ESE 56.8 330.010  
14 50 29 40 -7 25 0    SW 12.6 40 SSW 60.0 83.4 10  
15 60 38 49 +2 16 0    SW 18.3 61 SW 52.6 319.88 BD, KFR 1330
16 56 37 46 -1 19 0    SW 13.4 37 SW 48.8 367.24  
17 56 33 44 -4 21 0 T   SW 10.0 44 WSW 56.6 298.89  
18 59 33 46 -2 19 0    NW 5.0 15 S 58.3 372.65  
19 63 36 50 +2 15 0    SW 6.2 20 SW 64.2 317.46  
20 68 37 52 +4 13 0 T   NW 9.3 32 SW 60.2 348.07 KFR 1600
21 56 40 48 0 17 0 0.07   NW 4.8 18 NW 66.1 202.810  
22 61 41 51 +3 14 0 T   W 9.9 35 WNW 64.0 186.69 DL
23 54 34 44 -4 21 0    W 8.4 34 WNW 44.2 366.07  
24 57 34 46 -2 19 0 0.02   W 6.7 25 WNW 66.7 195.610  
25 54 35 44 -4 21 0    NW 10.2 32 NNW 52.4 285.67  
26 53 30 42 -6 23 0    NE 6.2 16 NE 36.5 438.62  
27 63 29 46 -2 19 0    NW 8.3 32 WNW 49.2 205.810 KFR 2200
28 46 38 42 -6 23 0 0.13   W 8.8 34 WNW 71.5 113.410  
29 56 37 46 -3 19 0    NW 19.2 38 WNW 39.6 448.83  
30 58 28 43 -6 22 0    W 8.3 26 NW 43.2 387.06  
31 59 37 48 -1 17 0 0.01   W 18.3 52 W 46.7 416.45 KFR 1130
SUM 715 0 0.80 0.3
AVG 52.7 31.2 41.9 8.9 6.6
NOTES: PRECIPITATION (IN.) MISC. PHENOM. KEY
Daily summary period is midnight to midnight PST TOTAL FOR THE MONTH0.80 A-Hail, BD-Blowing Dust, BS-Blowing Snow
"T" in columns 7-9 denotes a trace DEPARTURE FROM NORM+0.22 D-Dust, AU-Aurora, DL-Distant Lightning
Snow in columns 8-9 is all frozen precipitation 24HR MAX0.31ON3 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) >= T13>= 0.251 BAROMETRIC PRESSURE (IN.)
AVERAGE FOR THE MONTH41.9 >= 0.019 >= 0.500 AVERAGE STATION29.216
DEPARTURE FROM NORMAL-4.2 >= 0.103 >= 1.000 MAX SEA-LEVEL30.552ON12
HIGHEST68 ON20 SNOW (FROZEN PRECIP.) (IN.) MIN SEA-LEVEL29.335ON15
LOWEST16 ON12 TOTAL FOR THE MONTH0.3 SOLAR RADIATION (LANGLEYS)
NUMBER OF DAYS WITH: 24HR MAX0.3 ON0.39 AVERAGE DAILY TOTAL281.2
MAXIMUM 32 OR BELOW0 MAX ON GRNDna ONna MAX DAILY448.8ON29
MAXIMUM 90 OR ABOVE0 WIND (50-FT LEVEL) MIN DAILY83.4ON14
MINIMUM 32 OR BELOW14 AVERAGE SPEED (MPH)8.9 MISCELLANEOUS NUMBER OF DAYS
MINIMUM 0 OR BELOW0 DEPARTURE FROM NORM+1.0 CLEAR6 FOG2
HEATING DEGREE DAYS (BASE 65ºF) PEAK GUSTSW @ 61ON15 PARTLY CLOUDY11THDR0
TOTAL FOR THE MONTH715 AVERAGE PSYCHROMETRIC DATA CLOUDY14DUST2
DEPARTURE FROM NORMAL+128 DRY BULB (ºF)41.3WET BULB (ºF)35.7 RELATIVE HUMIDITY EXTREMES (%)
SEASON TOTAL (SINCE JULY 1)4989 REL. HUM. (%)58.6DEW PT.(ºF)26.6 HIGHEST100ON3
SEASON DEPARTURE FROM NORM+368 + DENOTES LATEST OF MULTIPLE DAYS LOWEST19 ON26