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:
March 1998
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 48 37 42 0 23 0 T   W 3.5 9 W 62 137 10  
2 58 39 48 +6 17 0 0.13   NW 6.9 30 NW 74 226 8 F,DL,KFR 0930
3 55 29 42 0 23 0    SW 7.8 19 SW 54 340 3  
4 52 28 40 -2 25 0    W 5.3 12 NNE 65 319 4  
5 52 23 38 -4 27 0 T T  NW 5.0 17 NE 72 307 2  
6 50 29 40 -3 25 0    NW 6.3 14 NW 60 315 3  
7 54 31 42 -2 23 0    SE 5.6 23 SSE 55 315 6  
8 56 37 46 +2 19 0    NW 6.5 19 W 56 263 8  
9 56 40 48 +4 17 0    SW 9.0 28 SSW 58 111 10  
10 53 35 44 -1 21 0 0.01   NW 4.9 14 WNW 78 173 10  
11 64 33 48 +3 17 0    NW 5.5 15 NW 76 335 9  
12 68 40 54 +9 11 0    NW 8.9 20 NW 63 344 6  
13 72 44 58 +13 7 0    W 6.8 18 W 60 366 6  
14 71 43 57 +11 8 0    W 6.7 21 W 51 330 6  
15 70 48 59 +13 6 0    NW 7.9 27 WNW 48 311 10  
16 60 41 50 +4 15 0    W 14.6 39 WNW 45 382 4  
17 62 38 50 +3 15 0    NW 10.2 32 WNW 44 282 6  
18 62 30 46 -1 19 0    E 4.5 12 S 55 417 5  
19 64 33 48 +1 17 0    NW 6.3 15 NNE 52 381 8  
20 67 37 52 +5 13 0    W 5.1 13 WNW 48 401 8  
21 64 46 55 +8 10 0    NW 6.0 19 SW 58 191 10  
22 67 42 54 +7 11 0 T   SW 8.9 33 SW 68 203 9  
23 57 45 51 +4 14 0 0.20   NW 7.3 27 W 81 114 9 KFR 1410
24 69 40 54 +7 11 0    SW 7.2 25 SW 63 387 6  
25 67 42 54 +7 11 0    NW 7.5 28 NW 58 332 7  
26 61 36 48 +1 17 0    SW 11.4 39 WSW 51 259 9 KFR 1500
27 57 32 44 -4 21 0    SW 8.0 26 WSW 46 448 2  
28 58 27 42 -6 23 0    NW 10.9 28 NE 45 457 1  
29 62 34 48 -1 17 0    NW 10.5 24 N 28 497 1  
30 61 32 46 -3 19 0 T   NW 6.1 17 NW 47 346 10  
31 50 42 46 -3 19 0 0.16   NW 4.5 10 NW 90 107 10 F
SUM 521 0 0.50 T
AVG 60.2 36.5 48.4 7.3 6.6
NOTES: PRECIPITATION (IN.) MISC. PHENOM. KEY
Daily summary period is midnight to midnight PST TOTAL FOR THE MONTH0.50 A-Hail, BD-Blowing Dust, BS-Blowing Snow
"T" in columns 7-9 denotes a trace DEPARTURE FROM NORM+0.03 D-Dust, AU-Aurora, DL-Distant Lightning
Snow in columns 8-9 is all frozen precipitation 24HR MAX0.20ON23 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) >= T8 >= 0.250 BAROMETRIC PRESSURE (IN.)
AVERAGE FOR THE MONTH48.4 >= 0.014 >= 0.500 AVERAGE STATION29.152
DEPARTURE FROM NORMAL+2.8 >= 0.103 >= 1.000 MAX SEA-LEVEL30.24ON18+
HIGHEST72 ON13 SNOW (FROZEN PRECIP.) (IN.) MIN SEA-LEVEL29.59ON23
LOWEST23 ON5 TOTAL FOR THE MONTHT SOLAR RADIATION (LANGLEYS)
NUMBER OF DAYS WITH: 24HR MAXT ON5 AVERAGE DAILY TOTAL303.0
MAXIMUM 32 OR BELOW0 MAX ON GRND na ONna MAX DAILY497ON29
MAXIMUM 90 OR ABOVE0 WIND (50-FT LEVEL) MIN DAILY107ON31
MINIMUM 32 OR BELOW9 AVERAGE SPEED (MPH)7.3 MISCELLANEOUS NUMBER OF DAYS
MINIMUM 0 OR BELOW0 DEPARTURE FROM NORM-1.0 CLEAR6 FOG2
HEATING DEGREE DAYS (BASE 65ºF) PEAK GUSTWSW @ 39ON26+ PARTLY CLOUDY10THDR0
TOTAL FOR THE MONTH521 AVERAGE PSYCHROMETRIC DATA CLOUDY15DUST0
DEPARTURE FROM NORMAL-81 DRY BULB (ºF)48.1WET BULB (ºF)41.3 RELATIVE HUMIDITY EXTREMES (%)
SEASON TOTAL (SINCE JULY 1)4065 REL. HUM. (%)58.4DEW PT.(ºF)32.7 HIGHEST99 ON11+
SEASON DEPARTURE FROM NORM-598 + DENOTES LATEST OF MULTIPLE DAYS LOWEST13 ON29