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 2006
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 44 31 38 +10 27 0 0.02   NW 5.9 16 SW 93 33 10  
2 43 32 38 +10 27 0 0.12   NW 5.4 16 NW 94 100 9 KFR 1400
3 34 27 30 +2 35 0 0.03   NW 4.7 15 NW 98 34 10 F
4 40 26 33 +5 32 0    NW 6.0 21 WNW 93 75 9 F
5 39 30 34 +6 31 0    NW 4.3 15 WNW 90 50 10  
6 38 31 34 +6 31 0 0.08   NW 3.0 21 NNW 97 32 10 F
7 44 35 40 +11 25 0 0.11   W 6.0 28 WSW 90 29 10 F,KFR 1630
8 50 33 42 +13 23 0    W 6.0 21 W 70 125 3  
9 54 33 44 +15 21 0 T   S 12.3 36 S 65 45 10  
10 58 46 52 +23 13 0 0.04   SW 16.6 47 SW 63 53 10 KFR 0840 KFR 2345
11 52 40 46 +16 19 0    SW 18.6 49 WSW 57 124 5  
12 48 35 42 +11 23 0 0.15   NW 5.3 22 SW 80 55 10 WFR 2200
13 46 37 42 +10 23 0 0.22   NW 5.4 26 SSE 97 19 10 F
14 47 36 42 +9 23 0 0.01   W 6.3 23 W 84 49 10 F,KFR 1430
15 48 32 40 +7 25 0    W 8.5 23 W 57 157 0  
16 34 30 32 -2 33 0 0.23 0.5  NW 4.8 14 ESE 93 23 10 F,WFR 1200
17 40 29 34 0 31 0 0.04  T N 3.7 17 NW 97 57 10 F,KFR 2000
18 32 29 30 -4 35 0    NW 4.0 10 NW 99 44 10 F
19 33 30 32 -2 33 0    N 2.0 8 SSE 99 52 10 F
20 53 31 42 +8 23 0    SW 11.9 34 WSW 68 166 4 F,KFR 1330
21 45 24 34 0 31 0    W 3.2 11 NW 85 135 9  
22 40 23 32 -2 33 0    N 3.0 10 SSW 92 88 10 F
23 42 31 36 +2 29 0    NW 4.5 14 WNW 86 47 10  
24 46 27 36 +2 29 0    NW 7.1 18 WNW 87 170 5  
25 34 22 28 -6 37 0    SE 2.9 10 ESE 99 64 10 F,KFR 2130
26 46 27 36 +2 29 0    S 9.1 29 SW 70 62 10 F
27 52 34 43 +10 22 0    SW 11.5 27 WSW 59 157 4  
28 53 40 46 +13 19 0 T   SW 16.6 46 SW 62 197 5 KFR 0800
29 52 34 43 +10 22 0 0.07   SE 8.2 37 SSE 73 36 10 WFR 2030
30 58 36 47 +14 18 0    SW 18.5 54 SSW 56 185 6 KFR 0800
31 48 37 42 +9 23 0 0.06   S 10.0 37 S 66 58 10 KFR 2330
SUM 825 0 1.18 0.5
AVG 44.9 31.9 38.4 7.6 8.4
NOTES: PRECIPITATION (IN.) MISC. PHENOM. KEY
Daily summary period is midnight to midnight PST TOTAL FOR THE MONTH1.18 A-Hail, BD-Blowing Dust, BS-Blowing Snow
"T" in columns 7-9 denotes a trace DEPARTURE FROM NORM+0.31 D-Dust, AU-Aurora, DL-Distant Lightning
Snow in columns 8-9 is all frozen precipitation 24HR MAX0.35ON12-13 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) >= T15>= 0.250 BAROMETRIC PRESSURE (IN.)
AVERAGE FOR THE MONTH38.4 >= 0.0113>= 0.500 AVERAGE STATION29.169
DEPARTURE FROM NORMAL+6.6 >= 0.105 >= 1.000 MAX SEA-LEVEL30.52ON22
HIGHEST58 ON30+ SNOW (FROZEN PRECIP.) (IN.) MIN SEA-LEVEL29.39ON10
LOWEST22 ON25 TOTAL FOR THE MONTH0.5 SOLAR RADIATION (LANGLEYS)
NUMBER OF DAYS WITH: 24HR MAX0.5 ON16 AVERAGE DAILY TOTAL81.2
MAXIMUM 32 OR BELOW1 MAX ON GRND0.5 ON16 MAX DAILY197ON28
MAXIMUM 90 OR ABOVE0 WIND (50-FT LEVEL) MIN DAILY19 ON13
MINIMUM 32 OR BELOW18 AVERAGE SPEED (MPH)7.6 MISCELLANEOUS NUMBER OF DAYS
MINIMUM 0 OR BELOW0 DEPARTURE FROM NORM+1.3 CLEAR2 FOG14
HEATING DEGREE DAYS (BASE 65ºF) PEAK GUSTSSW @ 54ON30 PARTLY CLOUDY 6 THDR0
TOTAL FOR THE MONTH825 AVERAGE PSYCHROMETRIC DATA CLOUDY23DUST0
DEPARTURE FROM NORMAL-203 DRY BULB (ºF)38.5WET BULB (ºF)36.0 RELATIVE HUMIDITY EXTREMES (%)
SEASON TOTAL (SINCE JULY 1)3172 REL. HUM. (%)81.2DEW PT.(ºF)32.6 HIGHEST100ON26+
SEASON DEPARTURE FROM NORM-95 + DENOTES LATEST OF MULTIPLE DAYS LOWEST38 ON27+