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 1998
	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	84	50	67	+7	0	2				SW	10.2	43	SW	45	311	7	KFR 2200
2	68	43	56	-4	9	0				SW	14.7	36	WSW	47	336	4
3	66	34	50	-9	15	0				SW	7.4	21	WSW	58	311	3
4	69	40	54	-4	11	0				W	6.3	14	S	52	343	0
5	75	40	58	0	7	0				E	4.3	12	ESE	49	351	0
6	74	40	57	-1	8	0				NW	7.1	17	NW	48	343	2
7	77	54	66	+9	0	1				E	5.5	17	NW	47	276	6
8	69	52	60	+3	5	0	0.01			SW	16.3	46	SW	47	267	4	KFR 0615
9	66	39	52	-4	13	0	T			SW	7.6	20	SW	58	253	7
10	66	38	52	-4	13	0				W	6.5	21	W	51	320	1
11	60	35	48	-8	17	0				NW	7.2	19	NW	61	189	10
12	64	51	58	+3	7	0				NW	6.3	18	WNW	52	161	10	KFR 0715
13	73	52	62	+7	3	0	T			SW	11.9	34	SSW	50	313	4	KFR 1345
14	66	42	54	0	11	0	T			SW	8.4	33	NW	56	187	7
15	62	41	52	-1	13	0				W	7.5	22	NW	51	265	5
16	63	33	48	-5	17	0				SE	5.2	17	SSE	54	298	2
17	68	34	51	-1	14	0				E	5.9	25	WNW	55	220	9	KFR 1530
18	62	37	50	-1	15	0				W	6.7	16	WNW	39	299	0
19	64	30	47	-4	18	0				NW	5.6	14	WNW	45	289	0
20	65	34	50	0	15	0				W	6.4	13	NE	51	282	0
21	66	35	50	0	15	0				W	5.6	12	NNW	58	272	0
22	65	32	48	-2	17	0				SE	3.8	10	SSE	68	256	1
23	65	34	50	0	15	0				W	5.1	19	WNW	66	248	1	F
24	61	47	54	+4	11	0				NW	8.9	21	NW	63	102	10
25	68	36	52	+3	13	0				W	4.6	12	WNW	72	228	3	F
26	67	39	53	+5	12	0				N	5.3	11	WNW	71	250	0
27	65	44	54	+6	11	0	0.05			NW	6.7	24	NW	72	225	2	KFR 1950
28	59	37	48	+1	17	0				W	8.0	24	W	61	179	8
29	57	31	44	-3	21	0				W	4.6	11	WNW	66	249	0
30	53	25	39	-7	26	0				W	3.6	9	SSE	68	208	7
31	50	32	41	-4	24	0	0.22			NW	4.2	10	NNW	77	93	9
SUM					393	3	0.28	0
AVG	65.7	39.1	52.4								7.0					3.9

NOTES:				PRECIPITATION (IN.)				MISC. PHENOM. KEY
Daily summary period is midnight to midnight PST				TOTAL FOR THE MONTH			0.28	A-Hail, BD-Blowing Dust, BS-Blowing Snow
"T" in columns 7-9 denotes a trace				DEPARTURE FROM NORM			-0.10	D-Dust, AU-Aurora, DL-Distant Lightning
Snow in columns 8-9 is all frozen precipitation				24HR MAX	0.22	ON	31	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	6	>= 0.25	0	BAROMETRIC PRESSURE (IN.)
AVERAGE FOR THE MONTH			52.4	>= 0.01	3	>= 0.50	0	AVERAGE STATION			29.259
DEPARTURE FROM NORMAL			-0.5	>= 0.10	1	>= 1.00	0	MAX SEA-LEVEL	30.48	ON	20
HIGHEST	84	ON	1	SNOW (FROZEN PRECIP.) (IN.)				MIN SEA-LEVEL	29.54	ON	1
LOWEST	25	ON	30	TOTAL FOR THE MONTH			0	SOLAR RADIATION (LANGLEYS)
NUMBER OF DAYS WITH:				24HR MAX	na	ON	na	AVERAGE DAILY TOTAL			255.6
MAXIMUM 32 OR BELOW			0	MAX ON GRND	na	ON	na	MAX DAILY	351	ON	5
MAXIMUM 90 OR ABOVE			0	WIND (50-FT LEVEL)				MIN DAILY	93	ON	31
MINIMUM 32 OR BELOW			5	AVERAGE SPEED (MPH)			7.0	MISCELLANEOUS NUMBER OF DAYS
MINIMUM 0 OR BELOW			0	DEPARTURE FROM NORM			+0.5	CLEAR	16	FOG	2
HEATING DEGREE DAYS (BASE 65ºF)				PEAK GUST	SW @ 46	ON	8	PARTLY CLOUDY	9	THDR	0
TOTAL FOR THE MONTH			393	AVERAGE PSYCHROMETRIC DATA				CLOUDY	6	DUST	0
DEPARTURE FROM NORMAL			+17	DRY BULB (ºF)	52.6	WET BULB (ºF)	44.8	RELATIVE HUMIDITY EXTREMES (%)
SEASON TOTAL (SINCE JULY 1)			408	REL. HUM. (%)	56.7	DEW PT.(ºF)	36.4	HIGHEST	100	ON	26+
SEASON DEPARTURE FROM NORM			-57	+ DENOTES LATEST OF MULTIPLE DAYS				LOWEST	20	ON	18+