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:
July 2004
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 95 68 82 +10 0 17    W 7.6 31 NW 30 680 4  
2 93 66 80 +8 0 15    W 10.8 40 NW 29 657 5  
3 88 67 78 +6 0 13    NW 11.7 36 WNW 37 592 1  
4 90 58 74 +2 0 9    NW 8.0 27 NW 36 697 0  
5 93 62 78 +6 0 13    NW 7.3 31 WNW 36 677 0  
6 90 65 78 +5 0 13    NW 9.6 32 NW 37 500 9  
7 79 56 68 -5 0 3    NW 15.3 37 NW 37 604 3 KFR 0200
8 83 53 68 -5 0 3    W 6.0 25 NW 40 668 1  
9 88 52 70 -4 0 5    W 9.0 32 WNW 40 696 1  
10 82 56 69 -5 0 4    SW 10.9 32 SW 39 672 2 KFR 1730
11 84 49 66 -9 0 1    W 5.1 20 E 40 695 0  
12 96 54 75 0 0 10    NW 7.8 20 NNE 32 692 0  
13 99 71 85 +10 0 20    NW 8.6 27 N 24 601 6  
14 103 71 87 +11 0 22    NW 9.4 34 WNW 27 670 1  
15 103 71 87 +11 0 22    W 8.8 28 WNW 28 607 3  
16 100 63 82 +5 0 17    E 5.2 21 WNW 30 674 0  
17 104 71 88 +11 0 23    W 5.2 30 WNW 30 577 7  
18 101 76 88 +11 0 23    W 8.6 26 W 30 455 6 DL
19 90 69 80 +2 0 15 0.03   W 9.5 24 SSE 49 398 8 DL
20 90 61 76 -2 0 11    NW 9.7 32 NW 40 664 1  
21 90 61 76 -3 0 11    W 6.4 26 WNW 32 679 0  
22 97 62 80 +1 0 15    N 8.4 31 NNE 28 674 0  
23 102 70 86 +7 0 21    NW 7.3 25 NW 24 665 0  
24 104 72 88 +9 0 23    NW 6.5 19 NW 25 652 0  
25 104 72 88 +8 0 23    NW 11.1 40 NW 24 664 0  
26 98 62 80 0 0 15    W 6.8 32 WNW 24 646 1  
27 95 70 82 +2 0 17    NW 8.4 28 NNE 24 585 5  
28 99 68 84 +4 0 19    NW 6.1 22 WNW 30 598 5  
29 101 64 82 +2 0 17    W 7.9 36 WNW 28 551 7  
30 99 69 84 +4 0 19    NW 7.4 26 WNW 31 617 3  
31 98 63 80 +1 0 15    NW 5.4 20 WNW 35 621 7 K
SUM 0 454 0.03 0
AVG 94.8 64.3 79.5 8.3 2.8
NOTES: PRECIPITATION (IN.) MISC. PHENOM. KEY
Daily summary period is midnight to midnight PST TOTAL FOR THE MONTH0.03 A-Hail, BD-Blowing Dust, BS-Blowing Snow
"T" in columns 7-9 denotes a trace DEPARTURE FROM NORM-0.24 D-Dust, AU-Aurora, DL-Distant Lightning
Snow in columns 8-9 is all frozen precipitation 24HR MAX0.03ON19 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) >= T1 >= 0.250 BAROMETRIC PRESSURE (IN.)
AVERAGE FOR THE MONTH79.5 >= 0.011 >= 0.500 AVERAGE STATION29.098
DEPARTURE FROM NORMAL+3.2 >= 0.100 >= 1.000 MAX SEA-LEVEL30.08ON11
HIGHEST104ON25+ SNOW (FROZEN PRECIP.) (IN.) MIN SEA-LEVEL29.65ON30
LOWEST49 ON11 TOTAL FOR THE MONTH0 SOLAR RADIATION (LANGLEYS)
NUMBER OF DAYS WITH: 24HR MAXna ONna AVERAGE DAILY TOTAL626.7
MAXIMUM 32 OR BELOW0 MAX ON GRNDna ONna MAX DAILY697ON4
MAXIMUM 90 OR ABOVE25 WIND (50-FT LEVEL) MIN DAILY398ON19
MINIMUM 32 OR BELOW0 AVERAGE SPEED (MPH)8.3 MISCELLANEOUS NUMBER OF DAYS
MINIMUM 0 OR BELOW0 DEPARTURE FROM NORM-0.3 CLEAR20FOG0
HEATING DEGREE DAYS (BASE 65ºF) PEAK GUSTNW @ 40ON25 PARTLY CLOUDY9 THDR0
TOTAL FOR THE MONTH0 AVERAGE PSYCHROMETRIC DATA CLOUDY2 DUST0
DEPARTURE FROM NORMAL-4 DRY BULB (ºF)80.0WET BULB (ºF)60.1 RELATIVE HUMIDITY EXTREMES (%)
SEASON TOTAL (SINCE JULY 1)0 REL. HUM. (%)32.1DEW PT.(ºF)46.0 HIGHEST83 ON19
SEASON DEPARTURE FROM NORM-4 + DENOTES LATEST OF MULTIPLE DAYS LOWEST92 ON25