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 1997
	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	72	55	64	+4	1	0	0.01			NW	10.6	37	W	60	58	10	KFR 1705
2	72	45	58	-2	7	0				SW	15.5	44	SW	55	328	6	KFR 1330
3	74	49	62	+3	3	0	0.01			SW	14.2	42	SW	59	228	7
4	71	56	64	+6	1	0				SW	18.6	42	SSW	49	214	5	KFR 0600
5	69	45	57	-1	8	0				W	10.5	32	WNW	45	294	7
6	60	37	48	-10	17	0				NW	6.4	17	WSW	58	176	10
7	66	40	53	-4	12	0				W	6.7	17	NW	46	283	4
8	50	31	40	-17	25	0	0.46			NW	8.2	38	WNW	75	97	10	KFR 1930
9	64	44	54	-2	11	0				SW	11.2	42	SSW	64	154	9	F
10	64	43	54	-2	11	0				SW	8.0	22	WNW	52	301	1
11	62	42	52	-4	13	0				NW	12.2	35	NW	51	227	4
12	62	39	50	-5	15	0				SW	6.1	19	WNW	54	178	10
13	69	42	56	+1	9	0				E	4.3	11	WNW	61	287	1
14	72	42	57	+3	8	0				NE	4.0	11	W	64	258	6
15	71	45	58	+5	7	0				NW	5.7	12	WNW	66	254	8
16	72	41	56	+3	9	0				SW	3.9	10	E	70	267	0
17	77	38	58	+6	7	0				NW	7.6	31	WNW	63	258	1	F
18	66	43	54	+3	11	0				W	7.4	17	WNW	46	228	8
19	67	43	55	+4	10	0				NW	8.4	17	N	38	263	1
20	65	39	52	+2	13	0				NW	6.0	13	NW	48	260	1
21	63	31	47	-3	18	0				S	3.6	10	SSE	62	251	2
22	65	33	49	-1	16	0				NW	6.1	27	WNW	57	137	8
23	64	43	54	+4	11	0	T			NW	13.2	35	N	45	215	7
24	59	33	46	-4	19	0				W	6.3	16	NNW	51	241	4
25	60	29	44	-5	21	0				E	5.2	15	E	61	222	3
26	53	31	42	-6	23	0	0.04			SE	3.8	10	WNW	72	109	10
27	65	36	50	+2	15	0				W	4.0	12	SSE	73	209	6
28	56	38	47	0	18	0	T			S	5.8	26	SSW	74	118	10
29	65	50	58	+11	7	0	0.10			S	11.8	36	S	69	134	8	KFR 0815
30	67	50	58	+12	7	0	0.30			SW	14.4	72	SW	73	65	8	WFR 0245 KFR 0800
31	66	39	52	+6	13	0				W	8.2	35	WSW	54	201	1
SUM					366	0	0.92	0
AVG	65.4	41.0	53.2								8.3					5.7

NOTES:				PRECIPITATION (IN.)				MISC. PHENOM. KEY
Daily summary period is midnight to midnight PST				TOTAL FOR THE MONTH			0.92	A-Hail, BD-Blowing Dust, BS-Blowing Snow
"T" in columns 7-9 denotes a trace				DEPARTURE FROM NORM			+0.54	D-Dust, AU-Aurora, DL-Distant Lightning
Snow in columns 8-9 is all frozen precipitation				24HR MAX	0.46	ON	8	F-Fog, IC-Ice Crystals, K-Smoke
Solrad in coluns 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	8	>= 0.25	2	BAROMETRIC PRESSURE (IN.)
AVERAGE FOR THE MONTH			53.2	>= 0.01	6	>= 0.50	0	AVERAGE STATION			29.179
DEPARTURE FROM NORMAL			+0.3	>= 0.10	3	>= 1.00	0	MAX SEA-LEVEL	30.35	ON	15
HIGHEST	77	ON	17	SNOW (FROZEN PRECIP.) (IN.)				MIN SEA-LEVEL	29.43	ON	1
LOWEST	29	ON	25	TOTAL FOR THE MONTH			0	SOLAR RADIATION (LANGLEYS)
NUMBER OF DAYS WITH:				24HR MAX	na	ON	na	AVERAGE DAILY TOTAL			210.2
MAXIMUM 32 OR BELOW			0	MAX ON GRND	na	ON	na	MAX DAILY	328	ON	2
MAXIMUM 90 OR ABOVE			0	WIND (50-FT LEVEL)				MIN DAILY	58	ON	1
MINIMUM 32 OR BELOW			4	AVERAGE SPEED (MPH)			8.3	MISCELLANEOUS NUMBER OF DAYS
MINIMUM 0 OR BELOW			0	DEPARTURE FROM NORM			+1.8	CLEAR	9	FOG	2
HEATING DEGREE DAYS (BASE 65ºF)				PEAK GUST	SW @ 72	ON	30	PARTLY CLOUDY	10	THDR	0
TOTAL FOR THE MONTH			366	AVERAGE PSYCHROMETRIC DATA				CLOUDY	12	DUST	0
DEPARTURE FROM NORMAL			-11	DRY BULB (ºF)	52.9	WET BULB (ºF)	45.5	RELATIVE HUMIDITY EXTREMES (%)
SEASON TOTAL (SINCE JULY 1)			407	REL. HUM. (%)	58.6	DEW PT.(ºF)	37.5	HIGHEST	100	ON	17+
SEASON DEPARTURE FROM NORM			-58	+ DENOTES LATEST OF MULTIPLE DAYS				LOWEST	21	ON	5