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 2005
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 33 30 32 +4 33 0 0.12 1.2 T NW 9.3 17 WNW 96 26 10 F
2 30 24 27 -1 38 0 T T 1 NW 7.8 14 WNW 84 41 10  
3 27 22 24 -4 41 0   T NW 8.5 17 NW 77 55 10  
4 31 19 25 -3 40 0   T NW 9.1 23 NNE 67 157 0  
5 28 11 20 -8 45 0   T SE 5.3 12 WNW 75 161 0  
6 22 12 17 -11 48 0 T T T NW 4.3 12 NW 86 54 10  
7 31 22 26 -3 39 0 0.41 4.7 T NW 8.6 23 WNW 90 66 10 F,KFR 2130
8 31 13 22 -7 43 0 0.05 0.5 4 NW 8.4 22 WNW 93 23 10 F
9 34 20 27 -2 38 0 0.01 0.1 4 NW 5.8 18 WNW 89 50 10  
10 30 25 28 -1 37 0 0.01 0.2 4 NW 7.0 15 WNW 82 103 10  
11 34 16 25 -5 40 0   4 NW 6.2 25 WSW 81 92 9  
12 48 26 37 +6 28 0   4 W 11.0 37 SW 62 161 1  
13 29 18 24 -8 41 0   2 NW 7.4 15 WNW 68 147 5 KFR 0345
14 22 13 18 -15 47 0   2 NW 6.0 18 NW 57 96 10  
15 18 7 12 -21 53 0 0.28 2.8 2 NW 6.8 18 NW 81 83 10 F
16 22 16 19 -15 46 0 0.02 0.2 5 N 2.5 7 W 87 64 10 F
17 25 19 22 -12 43 0 0.03  4 NW 4.1 10 NW 86 48 10 GL
18 41 22 32 -2 33 0   4 NW 3.7 12 NW 81 75 10  
19 58 30 44 +10 21 0   4 NE 4.2 14 E 76 133 9  
20 46 34 40 +6 25 0   2 NW 6.0 13 NNW 84 72 10  
21 46 32 39 +5 26 0   T NW 7.6 23 NW 90 178 7  
22 39 32 36 +2 29 0   0 NW 3.1 8 SE 99 40 10 F
23 48 30 39 +5 26 0    S 2.7 7 WNW 95 128 7 F
24 38 30 34 0 31 0    N 2.2 7 W 99 46 10 F
25 45 30 38 +4 27 0    NW 3.6 10 SSE 94 85 10 F
26 42 32 37 +3 28 0 T   E 2.0 6 NW 95 83 10 F
27 38 36 37 +4 28 0    NW 4.8 16 NW 98 38 10 F
28 47 35 41 +8 24 0 T   NW 7.6 18 WNW 85 91 10  
29 38 30 34 +1 31 0    NW 2.4 10 ESE 100 57 10 F
30 38 32 35 +2 30 0    NW 2.9 9 NW 98 57 10 F
31 46 34 40 +7 25 0    W 4.2 22 W 88 97 8 F
SUM 1084 0 0.93 9.7
AVG 35.6 24.3 30.0 5.6 8.6
NOTES: PRECIPITATION (IN.) MISC. PHENOM. KEY
Daily summary period is midnight to midnight PST TOTAL FOR THE MONTH0.93 A-Hail, BD-Blowing Dust, BS-Blowing Snow
"T" in columns 7-9 denotes a trace DEPARTURE FROM NORM+0.06 D-Dust, AU-Aurora, DL-Distant Lightning
Snow in columns 8-9 is all frozen precipitation 24HR MAX0.44ON7-8 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) >= T12>= 0.252 BAROMETRIC PRESSURE (IN.)
AVERAGE FOR THE MONTH30.0 >= 0.018 >= 0.500 AVERAGE STATION29.322
DEPARTURE FROM NORMAL-1.8 >= 0.103 >= 1.000 MAX SEA-LEVEL30.79ON15
HIGHEST58 ON19 SNOW (FROZEN PRECIP.) (IN.) MIN SEA-LEVEL29.16ON7
LOWEST7 ON15 TOTAL FOR THE MONTH9.7 SOLAR RADIATION (LANGLEYS)
NUMBER OF DAYS WITH: 24HR MAX5.2 ON7-8 AVERAGE DAILY TOTAL84.1
MAXIMUM 32 OR BELOW13 MAX ON GRND5.3 ON8 MAX DAILY178ON21
MAXIMUM 90 OR ABOVE0 WIND (50-FT LEVEL) MIN DAILY23 ON8
MINIMUM 32 OR BELOW27 AVERAGE SPEED (MPH)5.6 MISCELLANEOUS NUMBER OF DAYS
MINIMUM 0 OR BELOW0 DEPARTURE FROM NORM-0.7 CLEAR3 FOG14
HEATING DEGREE DAYS (BASE 65ºF) PEAK GUSTSW @ 37ON12 PARTLY CLOUDY3 THDR0
TOTAL FOR THE MONTH1084 AVERAGE PSYCHROMETRIC DATA CLOUDY25DUST0
DEPARTURE FROM NORMAL+56 DRY BULB (ºF)30.2WET BULB (ºF)28.9 RELATIVE HUMIDITY EXTREMES (%)
SEASON TOTAL (SINCE JULY 1)3141 REL. HUM. (%)85.2DEW PT.(ºF)26.1 HIGHEST100ON31+
SEASON DEPARTURE FROM NORM-126 + DENOTES LATEST OF MULTIPLE DAYS LOWEST41 ON14