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:
January 2007
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 31 28 30 +2 35 0 T  T NW 3.4 11 NW 87 27 10 GL
2 58 26 42 +14 23 0 T   SW 9.6 40 SSW 78 46 10 F, KFR 1830
3 50 34 42 +14 23 0 0.05   W 10.1 30 WNW 76 76 9 KFR 1500
4 44 29 36 +8 29 0 0.02   W 8.9 35 WNW 63 65 9  
5 47 31 39 +11 26 0    SW 15.3 52 SW 55 47 10  
6 47 37 42 +14 23 0    W 17.5 63 WSW 51 114 4 KFR 0100
7 58 39 48 +19 17 0    SW 15.7 43 WSW 58 164 8 KFR 1915
8 52 33 42 +13 23 0    W 5.3 23 W 61 127 7  
9 57 30 44 +15 21 0    NW 8.5 57 SSW 71 101 10 F, BD, KFR 1800
10 42 25 34 +5 31 0    W 9.2 36 W 53 111 7  
11 32 14 23 -7 42 0 T 0.1  NW 11.5 29 NNE 62 122 6 F, KFR 0730
12 26 6 16 -15 49 0    W 4.5 11 W 66 156 0  
13 21 4 12 -20 53 0    NW 4.1 9 NW 78 82 10  
14 26 5 16 -17 49 0    W 4.4 10 E 79 186 0  
15 24 4 14 -19 51 0    NW 5.3 12 WNW 81 147 3 F
16 24 7 16 -18 49 0 0.06 1.2  SE 3.1 8 WNW 87 79 9 F, KFR 1530
17 17 9 13 -21 52 0 T T 1 W 3.8 12 WNW 91 43 10 F
18 24 14 19 -15 46 0 0.01 0.2 1 NE 2.7 7 WNW 85 81 10 F
19 32 13 22 -12 43 0   1 S 3.0 8 E 83 109 7 F
20 48 11 30 -4 35 0   1 NW 7.7 24 NW 71 175 1 F, KFR 0200
21 33 18 26 -8 39 0   T NW 5.4 14 NW 84 115 10  
22 38 20 29 -5 36 0    NW 3.6 8 S 82 135 8  
23 46 27 36 +2 29 0    NW 4.1 9 WNW 80 145 8  
24 46 26 36 +2 29 0    NW 8.0 16 NW 83 179 4  
25 32 20 26 -8 39 0    NW 4.2 13 WNW 96 47 10 F
26 37 23 30 -4 35 0    E 4.4 11 E 89 186 2  
27 38 18 28 -5 37 0    NW 5.5 14 NW 81 112 8  
28 31 17 24 -9 41 0    NW 3.3 8 E 84 29 10  
29 29 26 28 -5 37 0    N 4.3 17 NE 78 26 10  
30 37 19 28 -5 37 0    W 4.4 11 WNW 74 194 2  
31 29 17 23 -10 42 0 T   NE 4.3 11 ENE 89 44 10 GL
SUM 1121 0 0.14 1.5
AVG 37.3 20.3 28.8 6.6 7.2
NOTES: PRECIPITATION (IN.) MISC. PHENOM. KEY
Daily summary period is midnight to midnight PST TOTAL FOR THE MONTH0.14 A-Hail, BD-Blowing Dust, BS-Blowing Snow
"T" in columns 7-9 denotes a trace DEPARTURE FROM NORM-0.73 D-Dust, AU-Aurora, DL-Distant Lightning
Snow in columns 8-9 is all frozen precipitation 24HR MAX0.06ON16 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) >= T9 >= 0.250 BAROMETRIC PRESSURE (IN.)
AVERAGE FOR THE MONTH28.8 >= 0.014 >= 0.500 AVERAGE STATION29.502
DEPARTURE FROM NORMAL-3.0 >= 0.100 >= 1.000 MAX SEA-LEVEL30.81ON15
HIGHEST58 ON7+ SNOW (FROZEN PRECIP.) (IN.) MIN SEA-LEVEL29.58ON9
LOWEST4 ON15+ TOTAL FOR THE MONTH 1.5 SOLAR RADIATION (LANGLEYS)
NUMBER OF DAYS WITH: 24HR MAX1.2 ON16 AVERAGE DAILY TOTAL105.4
MAXIMUM 32 OR BELOW14 MAX ON GRND1 ON20+ MAX DAILY193.8ON30
MAXIMUM 90 OR ABOVE0 WIND (50-FT LEVEL) MIN DAILY26.4ON29
MINIMUM 32 OR BELOW27 AVERAGE SPEED (MPH)6.6 MISCELLANEOUS NUMBER OF DAYS
MINIMUM 0 OR BELOW0 DEPARTURE FROM NORM+0.3 CLEAR6 FOG10
HEATING DEGREE DAYS (BASE 65ºF) PEAK GUSTWSW @ 63ON6 PARTLY CLOUDY6 THDR0
TOTAL FOR THE MONTH1121 AVERAGE PSYCHROMETRIC DATA CLOUDY19DUST0
DEPARTURE FROM NORMAL+93 DRY BULB (ºF)29.1WET BULB (ºF)26.6 RELATIVE HUMIDITY EXTREMES (%)
SEASON TOTAL (SINCE JULY 1)3457 REL. HUM. (%)76.0DEW PT.(ºF)21.8 HIGHEST99 ON25
SEASON DEPARTURE FROM NORM+190 + DENOTES LATEST OF MULTIPLE DAYS LOWEST28 ON9