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:
February 2003
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 55 34 44 +12 21 0    W 10.3 26 NW 66 190 0  
2 54 33 44 +12 21 0    W 5.3 18 WNW 64 173 4  
3 54 36 45 +13 20 0    NW 11.8 28 WNW 55 151 7  
4 50 31 40 +8 25 0    W 8.5 21 NNE 51 190 1  
5 47 28 38 +6 27 0    W 3.9 10 ESE 70 97 8  
6 48 24 36 +3 29 0    W 4.0 13 SSE 76 219 0  
7 46 20 33 -1 32 0    NW 4.1 11 NW 81 210 2 F
8 46 26 36 +1 29 0    W 4.6 13 SSE 76 209 2  
9 50 24 37 +1 28 0    NW 4.8 33 NW 77 224 0  
10 55 23 39 +2 26 0    SE 3.9 14 NW 69 230 0  
11 52 25 38 +1 27 0    NW 6.4 14 WNW 73 235 0  
12 51 30 40 +2 25 0    NW 7.8 19 WNW 68 231 0  
13 44 37 40 +1 25 0 0.16   NW 5.2 16 WNW 78 49 10 F
14 42 37 40 0 25 0    NW 3.7 12 WNW 93 53 10 F
15 46 40 43 +3 22 0 0.29   NW 5.5 14 NW 89 74 10 F
16 56 41 48 +8 17 0 0.29   SW 10.9 36 SW 71 160 9 F,KFR0700
17 53 34 44 +4 21 0 0.08   SW 8.7 29 W 66 163 7  
18 53 32 42 +2 23 0    W 5.2 18 SSE 78 249 1 F,KFR0130
19 52 30 41 0 24 0    NW 4.3 13 SSE 81 193 9  
20 59 39 49 +8 16 0    SW 15.9 52 WSW 57 183 7 ,KFR1900
21 62 39 50 +9 15 0    W 13.6 40 W 53 203 4  
22 56 37 46 +5 19 0    NW 12.6 32 NW 53 232 1 ,KFR2100
23 43 21 32 -9 33 0    NE 10.5 32 NE 40 284 1  
24 40 17 28 -13 37 0    NE 7.3 22 NNE 41 293 0  
25 43 15 29 -12 36 0    W 4.4 12 WSW 52 286 0  
26 46 20 33 -8 32 0    NW 5.4 12 NW 57 259 7  
27 53 28 40 -1 25 0    NW 5.6 18 NNW 52 255 6  
28 53 27 40 -1 25 0    N 4.1 16 NE 69 189 8  
SUM 705 0 0.82 0
AVG 50.3 29.6 39.9 7.1 4.1
NOTES: PRECIPITATION (IN.) MISC. PHENOM. KEY
Daily summary period is midnight to midnight PST TOTAL FOR THE MONTH0.82 A-Hail, BD-Blowing Dust, BS-Blowing Snow
"T" in columns 7-9 denotes a trace DEPARTURE FROM NORM+0.14 D-Dust, AU-Aurora, DL-Distant Lightning
Snow in columns 8-9 is all frozen precipitation 24HR MAX0.58ON15-16 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) >= T4 >= 0.252 BAROMETRIC PRESSURE (IN.)
AVERAGE FOR THE MONTH39.9 >= 0.014 >= 0.500 AVERAGE STATION29.290
DEPARTURE FROM NORMAL+2.0 >= 0.103 >= 1.000 MAX SEA-LEVEL30.50ON6
HIGHEST62 ON21 SNOW (FROZEN PRECIP.) (IN.) MIN SEA-LEVEL29.64ON16
LOWEST15 ON25 TOTAL FOR THE MONTH0 SOLAR RADIATION (LANGLEYS)
NUMBER OF DAYS WITH: 24HR MAXna ONna AVERAGE DAILY TOTAL195.8
MAXIMUM 32 OR BELOW0 MAX ON GRNDna ONna MAX DAILY293ON24
MAXIMUM 90 OR ABOVE0 WIND (50-FT LEVEL) MIN DAILY49 ON13
MINIMUM 32 OR BELOW17 AVERAGE SPEED (MPH)7.1 MISCELLANEOUS NUMBER OF DAYS
MINIMUM 0 OR BELOW0 DEPARTURE FROM NORM0 CLEAR14FOG6
HEATING DEGREE DAYS (BASE 65ºF) PEAK GUSTSW @ 52ON20 PARTLY CLOUDY7 THDR0
TOTAL FOR THE MONTH705 AVERAGE PSYCHROMETRIC DATA CLOUDY7 DUST0
DEPARTURE FROM NORMAL-62 DRY BULB (ºF)39.9WET BULB (ºF)35.0 RELATIVE HUMIDITY EXTREMES (%)
SEASON TOTAL (SINCE JULY 1)3632 REL. HUM. (%)66.3DEW PT.(ºF)28.0 HIGHEST100ON18+
SEASON DEPARTURE FROM NORM-402 + DENOTES LATEST OF MULTIPLE DAYS LOWEST20 ON24