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: October 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	77	52	64	+3	1	0				NW	8.4	19	N	37	373	0
2	79	43	61	+1	4	0				NE	3.8	11	WSW	42	371	0
3	79	41	60	0	5	0				W	3.4	8	WSW	46	361	0
4	80	40	60	+1	5	0				SE	3.4	11	ESE	48	361	0
5	83	39	61	+3	4	0				E	5.6	28	WSW	45	342	4
6	80	59	70	+12	0	5	0.02			W	10.4	34	SW	50	226	7	KFR 0600
7	73	43	58	0	7	0				W	6.3	22	W	50	331	5
8	76	49	62	+5	3	0	0.18			NW	6.0	28	WNW	62	295	9	KFR 1830
9	67	47	57	0	8	0	0.08			W	8.6	22	WSW	68	288	6
10	67	38	52	-5	13	0				SW	4.4	12	E	68	335	0
11	70	38	54	-2	11	0				SE	3.5	14	ESE	69	311	7
12	74	43	58	+2	7	0				N	4.9	17	NNE	63	319	3
13	76	44	60	+5	5	0				S	3.8	12	SSE	60	310	0
14	78	43	60	+6	5	0				NW	4.9	24	NW	58	312	0
15	78	58	68	+14	0	3				W	8.1	27	W	49	266	9
16	67	53	60	+7	5	0	0.04			SW	6.3	18	NW	67	52	10
17	57	47	52	0	13	0	0.46			NW	8.7	29	WSW	84	107	10	T,KFR 1600
18	55	47	51	0	14	0	T			SW	10.9	33	WSW	65	93	10
19	51	44	48	-3	17	0	0.05			NW	7.3	20	NW	86	61	10
20	64	45	54	+4	11	0	0.02			NW	6.6	16	NNW	70	233	6
21	59	44	52	+2	13	0				NW	6.7	18	WNW	64	145	8
22	59	44	52	+2	13	0				SW	6.7	26	WSW	62	70	10	KFR 1715
23	55	42	48	-1	17	0	0.01			NW	6.6	24	WNW	56	178	8
24	58	28	43	-6	22	0				SW	4.6	17	SW	66	263	5
25	51	27	39	-9	26	0				NW	5.7	15	WNW	78	222	9	F
26	55	36	46	-2	19	0	T			NW	8.9	19	N	58	153	10
27	62	35	48	+1	17	0				NW	6.7	15	WNW	54	244	1
28	58	28	43	-4	22	0	T			SE	5.1	26	WNW	67	245	2
29	61	39	50	+4	15					W	8.2	18	SW	49	208	7
30	61	42	52	+7	13	0				W	16.0	38	SSW	44	230	1	KFR 0530
31	55	35	45	0	20	0				W	14.6	32	WNW	42	227	1
SUM					335	8	0.86	0
AVG	66.6	42.4	54.5								6.9					5.1

NOTES:				PRECIPITATION (IN.)				MISC. PHENOM. KEY
Daily summary period is midnight to midnight PST				TOTAL FOR THE MONTH			0.86	A-Hail, BD-Blowing Dust, BS-Blowing Snow
"T" in columns 7-9 denotes a trace				DEPARTURE FROM NORM			+0.37	D-Dust, AU-Aurora, DL-Distant Lightning
Snow in columns 8-9 is all frozen precipitation				24HR MAX	0.49	ON	16-17	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)				>= T	11	>= 0.25	1	BAROMETRIC PRESSURE (IN.)
AVERAGE FOR THE MONTH			54.5	>= 0.01	8	>= 0.50	0	AVERAGE STATION			29.120
DEPARTURE FROM NORMAL			+1.5	>= 0.10	2	>= 1.00	0	MAX SEA-LEVEL	30.42	ON	31
HIGHEST	83	ON	5	SNOW (FROZEN PRECIP.) (IN.)				MIN SEA-LEVEL	29.21	ON	17
LOWEST	27	ON	25	TOTAL FOR THE MONTH			0	SOLAR RADIATION (LANGLEYS)
NUMBER OF DAYS WITH:				24HR MAX	na	ON	na	AVERAGE DAILY TOTAL			243.0
MAXIMUM 32 OR BELOW			0	MAX ON GRND	na	ON	na	MAX DAILY	373	ON	1
MAXIMUM 90 OR ABOVE			0	WIND (50-FT LEVEL)				MIN DAILY	52	ON	16
MINIMUM 32 OR BELOW			3	AVERAGE SPEED (MPH)			6.9	MISCELLANEOUS NUMBER OF DAYS
MINIMUM 0 OR BELOW			0	DEPARTURE FROM NORM			+0.4	CLEAR	12	FOG	1
HEATING DEGREE DAYS (BASE 65ºF)				PEAK GUST	SSW @ 38	ON	30	PARTLY CLOUDY	8	THDR	1
TOTAL FOR THE MONTH			335	AVERAGE PSYCHROMETRIC DATA				CLOUDY	11	DUST	0
DEPARTURE FROM NORMAL			-41	DRY BULB (ºF)	54.6	WET BULB (ºF)	46.8	RELATIVE HUMIDITY EXTREMES (%)
SEASON TOTAL (SINCE JULY 1)			392	REL. HUM. (%)	59.0	DEW PT.(ºF)	39.1	HIGHEST	99	ON	25
SEASON DEPARTURE FROM NORM			-68	+ DENOTES LATEST OF MULTIPLE DAYS				LOWEST	19	ON	5