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:
August 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)
1 101 63 82 +3 0 17    SE 6.8 35 NW 28 630 0  
2 100 71 86 +7 0 21    NW 8.7 33 SSE 25 505 4 T
3 92 68 80 +1 0 15    W 7.4 30 WNW 37 597 2 T, DL
4 93 61 77 -2 0 12 T   W 6.9 24 WNW 41 599 2 DL
5 81 62 72 -7 0 7 0.27   W 7.7 24 SW 57 503 7 T, DL
6 77 60 68 -11 0 3 0.01   W 8.4 33 WSW 54 286 9 DL
7 84 56 70 -9 0 5    SW 5.6 22 WSW 48 586 1  
8 90 57 74 -5 0 9    NW 7.6 21 NE 44 633 0  
9 95 64 80 +2 0 15    NW 6.8 18 NW 33 609 2  
10 101 66 84 +6 0 19    W 4.6 15 NNE 28 603 1  
11 103 69 86 +8 0 21    W 6.5 22 ENE 28 603 0  
12 105 65 85 +8 0 20    W 5.9 26 NE 25 603 0  
13 107 68 88 +12 0 23    W 5.8 21 NE 22 583 1  
14 101 68 84 +8 0 19    NW 9.3 44 WSW 27 332 8  
15 102 67 84 +9 0 19    E 4.6 15 E 31 501 7  
16 103 71 87 +12 0 22    NW 6.4 25 NW 35 515 7 K
17 99 72 86 +12 0 21    NW 8.3 33 NW 39 464 4  
18 99 68 84 +10 0 19    W 4.8 20 WNW 34 517 3  
19 99 70 84 +10 0 19    NW 5.9 16 W 36 469 4  
20 100 72 86 +13 0 21    NW 9.5 36 NW 31 536 5  
21 94 67 80 +7 0 15 T   W 9.7 35 ESE 39 460 6  
22 74 59 66 -7 0 1 0.47   W 9.4 31 SSW 61 226 10  0545
23 82 56 69 -4 0 4    SW 10.6 27 WSW 46 523 2  
24 73 62 68 -5 0 3 0.09   SW 11.8 38 WSW 66 178 10  
25 78 59 68 -4 0 3 0.10   SW 14.6 36 WSW 58 385 8  0700
26 79 56 68 -4 0 3 0.01   W 6.8 28 W 57 394 6 T, DL
27 82 54 68 -4 0 3    NW 6.5 28 SE 50 512 2  
28 87 57 72 0 0 7    NW 7.7 31 NW 43 536 5  
29 90 57 74 +2 0 9    E 6.0 19 WNW 45 536 0  
30 93 60 76 +4 0 11    E 6.3 20 E 39 536 1  
31 97 64 80 +9 0 15    NW 6.3 19 W 30 504 4 DL
SUM 0 401 0.95 0
AVG 92.3 63.5 77.9 7.5 3.9
NOTES: PRECIPITATION (IN.) MISC. PHENOM. KEY
Daily summary period is midnight to midnight PST TOTAL FOR THE MONTH0.95 A-Hail, BD-Blowing Dust, BS-Blowing Snow
"T" in columns 7-9 denotes a trace DEPARTURE FROM NORM+0.68 D-Dust, AU-Aurora, DL-Distant Lightning
Snow in columns 8-9 is all frozen precipitation 24HR MAX0.47ON22 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 >= 0.252 BAROMETRIC PRESSURE (IN.)
AVERAGE FOR THE MONTH77.9 >= 0.016 >= 0.500 AVERAGE STATION29.099
DEPARTURE FROM NORMAL+2.5 >= 0.103 >= 1.000 MAX SEA-LEVEL30.23ON8
HIGHEST107ON13 SNOW (FROZEN PRECIP.) (IN.) MIN SEA-LEVEL29.58ON22
LOWEST54 ON27 TOTAL FOR THE MONTH0 SOLAR RADIATION (LANGLEYS)
NUMBER OF DAYS WITH: 24HR MAXna ONna AVERAGE DAILY TOTAL498.8
MAXIMUM 32 OR BELOW0 MAX ON GRNDna ONna MAX DAILY633ON8
MAXIMUM 90 OR ABOVE21 WIND (50-FT LEVEL) MIN DAILY178ON24
MINIMUM 32 OR BELOW0 AVERAGE SPEED (MPH)7.5 MISCELLANEOUS NUMBER OF DAYS
MINIMUM 0 OR BELOW0 DEPARTURE FROM NORM-0.5 CLEAR15FOG0
HEATING DEGREE DAYS (BASE 65ºF) PEAK GUSTWSW @ 44ON14 PARTLY CLOUDY11THDR4
TOTAL FOR THE MONTH0 AVERAGE PSYCHROMETRIC DATA CLOUDY5 DUST0
DEPARTURE FROM NORMAL-5 DRY BULB (ºF)78.0WET BULB (ºF)61.0 RELATIVE HUMIDITY EXTREMES (%)
SEASON TOTAL (SINCE JULY 1)0 REL. HUM. (%)40.0DEW PT.(ºF)49.5 HIGHEST92 ON5
SEASON DEPARTURE FROM NORM-9 + DENOTES LATEST OF MULTIPLE DAYS LOWEST91 ON13