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 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 35 24 30 +2 35 0   T NW 10.5 24 NW 73.5 103 10  
2 32 25 28 0 37 0 T T T NW 3.6 11 WNW 78.1 38 10 GL
3 37 27 32 +4 33 0 T  T NW 5.4 14 NW 80.6 49 10  
4 49 25 37 +9 28 0 0.06  T NW 10.0 50 SSW 85.0 56 10 WFR 0930, KFR 2100
5 48 32 40 +12 25 0   1 SW 14.6 51 SSW 59.7 118 9  
6 43 26 34 +6 31 0   1 SW 7.2 29 SSW 69.8 92 7  
7 39 25 32 +3 33 0 0.14 1.8 1 NW 6.0 15 NW 86.2 138 5 F, WFR 0100
8 32 27 30 +1 35 0 0.30 3.6 1 NW 6.1 14 NW 96.0 64 10 F
9 40 25 32 +3 33 0 T T 4 W 6.9 25 WNW 82.8 126 7  
10 32 27 30 +1 35 0 0.10 1.0 4 NW 4.4 12 NNE 99.0 82 10 F, KFR 0800
11 44 23 34 +4 31 0 T T 3 NW 5.1 18 SW 92.1 160 2 F
12 33 23 28 -3 37 0 0.08  3 NW 5.2 15 NW 96.3 66 10 F,GL, KFR 0900
13 30 27 28 -4 37 0   3 NW 4.4 14 WNW 98.5 53 10 F
14 41 30 36 +3 29 0 T  2 W 8.2 45 WSW 89.0 74 10 F, KFR 1715
15 40 26 33 0 32 0   2 W 10.2 34 WNW 55.8 156 3  
16 33 17 25 -9 40 0   2 NW 5.2 14 WNW 78.4 152 5  
17 33 15 24 -10 41 0   2 NW 4.6 13 WNW 81.7 158 1  
18 34 14 24 -10 41 0   2 NW 4.0 10 NW 84.4 176 4 F
19 33 20 26 -8 39 0   2 NW 3.7 10 NNW 89.8 115 8 KFR 2230
20 32 21 26 -8 39 0 0.04 0.8 2 NE 14.1 37 NNE 71.0 55 10 F, BS, KFR 0745
21 28 9 18 -16 47 0   3 NE 9.1 24 NNE 51.9 186 0  
22 22 2 12 -22 53 0   2 W 4.6 15 WNW 78.2 162 2  
23 23 4 14 -20 51 0   2 NW 5.5 13 WNW 77.1 187 3  
24 26 12 19 -15 46 0   2 NW 6.4 16 WNW 73.0 179 4  
25 24 4 14 -20 51 0   2 NW 4.5 10 WNW 86.5 188 1 F
26 22 7 14 -20 51 0 0.11 2.5 2 NW 3.0 10 ESE 93.3 40 9 F
27 31 17 24 -9 41 0 0.45 7.0 4 NW 6.8 18 WNW 97.9 65 10 F, KFR 1700
28 26 8 17 -16 48 0   10 NE 4.3 11 NW 91.7 158 6  
29 40 21 30 -3 35 0   9 W 10.3 35 W 72.8 190 3 KFR 1130
30 42 22 32 -1 33 0   8 SW 12.2 43 S 64.8 169 6  
31 44 36 40 +7 25 0   6 SW 15.5 36 SSW 67.2 163 7 KFR 1000
SUM 1172 0 1.28 16.7
AVG 34.5 20.0 27.2 7.2 6.5
NOTES: PRECIPITATION (IN.) MISC. PHENOM. KEY
Daily summary period is midnight to midnight PST TOTAL FOR THE MONTH1.28 A-Hail, BD-Blowing Dust, BS-Blowing Snow
"T" in columns 7-9 denotes a trace DEPARTURE FROM NORM+0.41 D-Dust, AU-Aurora, DL-Distant Lightning
Snow in columns 8-9 is all frozen precipitation 24HR MAX0.45ON27 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>= 0.252 BAROMETRIC PRESSURE (IN.)
AVERAGE FOR THE MONTH27.2 >= 0.018 >= 0.500 AVERAGE STATION29.203
DEPARTURE FROM NORMAL-4.6 >= 0.105 >= 1.000 MAX SEA-LEVEL30.64ON1
HIGHEST49 ON4 SNOW (FROZEN PRECIP.) (IN.) MIN SEA-LEVEL28.95ON4
LOWEST2 ON22 TOTAL FOR THE MONTH16.7 SOLAR RADIATION (LANGLEYS)
NUMBER OF DAYS WITH: 24HR MAX7.0 ON27 AVERAGE DAILY TOTAL120.0
MAXIMUM 32 OR BELOW13 MAX ON GRND10 ON28 MAX DAILY190ON29
MAXIMUM 90 OR ABOVE0 WIND (50-FT LEVEL) MIN DAILY38.4ON2
MINIMUM 32 OR BELOW30 AVERAGE SPEED (MPH)7.2 MISCELLANEOUS NUMBER OF DAYS
MINIMUM 0 OR BELOW0 DEPARTURE FROM NORM+0.9 CLEAR8 FOG12
HEATING DEGREE DAYS (BASE 65ºF) PEAK GUSTSSW @ 51ON5 PARTLY CLOUDY9 THDR0
TOTAL FOR THE MONTH1172 AVERAGE PSYCHROMETRIC DATA CLOUDY14DUST0
DEPARTURE FROM NORMAL+144 DRY BULB (ºF)27.4WET BULB (ºF)25.6 RELATIVE HUMIDITY EXTREMES (%)
SEASON TOTAL (SINCE JULY 1)3453 REL. HUM. (%)80.7DEW PT.(ºF)21.8 HIGHEST100ON14+
SEASON DEPARTURE FROM NORM+186 + DENOTES LATEST OF MULTIPLE DAYS LOWEST37 ON21