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 2000
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 45 26 36 +8 29 0    W 4.9 19 WSW 87 88 8 F,KFR 1500
2 46 27 36 +8 29 0    W 9.1 24 WNW 64 96 6  
3 32 24 28 0 37 0 0.03 0.2  NW 4.8 12 W 87 25 10 F
4 55 32 44 +15 21 0    SW 14.2 37 SSW 60 127 5 F,KFR 1230
5 50 26 38 +9 27 0    W 10.5 28 W 55 131 7  
6 35 19 27 -2 38 0 T   NW 4.4 13 WNW 86 62 10 KFR 2015
7 44 20 32 +3 33 0    NW 3.5 12 SE 86 134 9 F
8 55 33 44 +15 21 0 0.01   W 10.3 43 W 56 94 6 KFR 0145
9 53 27 40 +11 25 0    W 14.1 53 SW 56 111 5 KFR 0930
10 36 27 32 +2 33 0 0.06 0.6  NW 5.5 13 NW 85 29 10 F,KFR 2130
11 32 20 26 -4 39 0 0.06 0.5 0.6 NW 3.7 18 WSW 96 47 10 F
12 42 31 36 +5 29 0 T  0.9 SW 7.7 37 SW 70 93 9  
13 37 33 35 +4 30 0 0.11   NW 6.8 16 NW 92 35 10  
14 48 32 40 +8 25 0 0.01   SW 10.3 38 SW 80 60 8 KFR 1330
15 39 25 32 -1 33 0 0.06   NW 8.0 24 SW 72 91 9  
16 47 31 39 +6 26 0 0.20 2.2 1.9 S 10.6 34 SSW 78 155 7 F,KFR 0810
17 45 25 35 +2 30 0   T W 7.3 20 SSW 68 140 3  
18 37 24 30 -3 35 0   T NW 6.9 16 WNW 80 101 9  
19 33 18 26 -7 39 0 T T T NW 7.6 18 WNW 72 134 6  
20 34 19 26 -7 39 0 0.02 0.4 0.4 NW 4.9 13 N 90 76 8 F
21 33 29 31 -2 34 0   T NW 2.8 8 N 88 41 10 F
22 34 30 32 -1 33 0 T T T NW 3.6 9 NNW 81 50 10 F
23 33 29 31 -1 34 0 0.10 2.2  NW 8.0 16 WNW 90 28 10 F
24 34 32 33 +1 32 0 0.17 0.5 2.0 NW 9.0 15 WNW 96 38 10 F
25 38 32 35 +3 30 0 0.15 0.1 1.1 NW 4.0 15 WNW 96 65 10 F
26 46 25 36 +4 29 0    W 7.8 21 WSW 76 194 0 F
27 43 21 32 0 33 0    S 4.1 13 W 77 201 0  
28 32 20 26 -6 39 0    NW 7.4 16 WNW 86 45 10 F
29 33 23 28 -4 37 0    NW 5.3 17 NW 82 120 9  
30 33 18 26 -6 39 0 0.01 0.2  W 5.9 16 WNW 85 89 7 F
31 32 24 28 -4 37 0 0.10 1.3 0.3 NW 3.8 10 W 94 66 10 F
SUM 995 0 1.09 8.2
AVG 39.9 25.9 32.9 7.0 7.8
NOTES: PRECIPITATION (IN.) MISC. PHENOM. KEY
Daily summary period is midnight to midnight PST TOTAL FOR THE MONTH1.09 A-Hail, BD-Blowing Dust, BS-Blowing Snow
"T" in columns 7-9 denotes a trace DEPARTURE FROM NORM+0.30 D-Dust, AU-Aurora, DL-Distant Lightning
Snow in columns 8-9 is all frozen precipitation 24HR MAX0.26ON15-16 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) >= T18>= 0.250 BAROMETRIC PRESSURE (IN.)
AVERAGE FOR THE MONTH32.9 >= 0.0114>= 0.500 AVERAGE STATION29.296
DEPARTURE FROM NORMAL+1.6 >= 0.106 >= 1.000 MAX SEA-LEVEL30.52ON28+
HIGHEST55 ON8+ SNOW (FROZEN PRECIP.) (IN.) MIN SEA-LEVEL29.56ON16
LOWEST18 ON30+ TOTAL FOR THE MONTH8.2 SOLAR RADIATION (LANGLEYS)
NUMBER OF DAYS WITH: 24HR MAX2.7 ON23-24 AVERAGE DAILY TOTAL89.4
MAXIMUM 32 OR BELOW4 MAX ON GRND2.3 ON24 MAX DAILY201ON27
MAXIMUM 90 OR ABOVE0 WIND (50-FT LEVEL) MIN DAILY25 ON3
MINIMUM 32 OR BELOW29 AVERAGE SPEED (MPH)7.0 MISCELLANEOUS NUMBER OF DAYS
MINIMUM 0 OR BELOW0 DEPARTURE FROM NORM+0.5 CLEAR3 FOG17
HEATING DEGREE DAYS (BASE 65ºF) PEAK GUSTSW @ 53ON9 PARTLY CLOUDY8 THDR0
TOTAL FOR THE MONTH995 AVERAGE PSYCHROMETRIC DATA CLOUDY20DUST0
DEPARTURE FROM NORMAL-49 DRY BULB (ºF)33.4WET BULB (ºF)31.1 RELATIVE HUMIDITY EXTREMES (%)
SEASON TOTAL (SINCE JULY 1)2914 REL. HUM. (%)79.7DEW PT.(ºF)27.2 HIGHEST100ON26+
SEASON DEPARTURE FROM NORM-383 + DENOTES LATEST OF MULTIPLE DAYS LOWEST29 ON8