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 1999
	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	71	41	56	-4	9	0				N	6.9	17	NW	39	371	0
2	67	39	53	-7	12	0				W	6.7	14	NNW	32	368	0
3	71	33	52	-7	13	0				NE	4.5	14	WSW	33	362	0
4	72	34	53	-5	12	0				NW	6.4	25	NW	35	334	1
5	73	46	60	+2	5	0				W	8.7	25	SW	40	295	6
6	70	51	60	+2	5	0	0.01			SW	6.7	17	WSW	52	277	4	KFR 0400
7	75	49	62	+5	3	0				SW	11.6	31	SW	50	329	7
8	76	52	64	+7	1	0	T			NW	15.2	41	SW	54	118	10
9	65	48	56	0	9	0				W	7.1	22	NW	44	304	9
10	64	40	52	-4	13	0				NW	7.8	21	WNW	44	296	7
11	62	48	55	-1	10	0				NW	5.9	14	WNW	45	169	10	KFR 2030
12	73	45	59	+4	6	0				SE	4.8	15	SSE	46	276	7
13	81	48	64	+9	1	0				NW	9.7	30	WNW	48	300	4	KFR 1500
14	65	44	54	0	11	0				NW	14.5	36	WNW	38	295	3
15	61	33	47	-6	18	0				NW	7.9	19	WNW	38	304	1
16	58	33	46	-7	19	0				W	6.0	18	E	39	294	3
17	60	28	44	-8	21	0				W	5.6	12	NW	43	278	4
18	65	35	50	-1	15	0				W	7.3	18	N	41	289	0
19	66	32	49	-2	16	0				S	4.4	11	SSE	48	278	0
20	64	32	48	-2	17	0				SE	3.9	10	SSE	53	272	0
21	67	32	50	0	15	0				W	5.1	12	W	49	266	0
22	66	36	51	+1	14	0				NW	3.7	13	WNW	50	254	4
23	68	35	52	+2	13	0				SE	4.5	31	WSW	47	231	4	WFR 1831
24	62	42	52	+2	13	0				NW	8.3	29	WNW	46	182	9
25	51	40	46	-3	19	0	0.07			NW	4.9	19	NW	71	57	10	KFR 2200
26	53	31	42	-6	23	0				NW	9.0	29	WNW	63	46	10
27	43	27	35	-13	30	0	0.36			NW	7.7	19	NW	93	50	10	F
28	56	38	47	0	18	0				SW	14.7	44	SW	69	67	8	KFR 0600
29	59	39	49	+2	16	0	0.04			SW	6.4	21	SSW	66	133	9
30	61	39	50	+4	15	0				N	5.2	39	SW	76	145	7
31	60	39	50	+4	15	0				NW	17.1	46	W	40	234	0	KFR 0330
SUM					407	0	0.48	0
AVG	64.7	39.0	51.8								7.7					4.7

NOTES:				PRECIPITATION (IN.)				MISC. PHENOM. KEY
Daily summary period is midnight to midnight PST				TOTAL FOR THE MONTH			0.48	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	0.36	ON	27	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	5	>= 0.25	1	BAROMETRIC PRESSURE (IN.)
AVERAGE FOR THE MONTH			51.8	>= 0.01	4	>= 0.50	0	AVERAGE STATION			29.329
DEPARTURE FROM NORMAL			-1.1	>= 0.10	1	>= 1.00	0	MAX SEA-LEVEL	30.68	ON	16
HIGHEST	81	ON	13	SNOW (FROZEN PRECIP.) (IN.)				MIN SEA-LEVEL	29.57	ON	28
LOWEST	27	ON	27	TOTAL FOR THE MONTH			0	SOLAR RADIATION (LANGLEYS)
NUMBER OF DAYS WITH:				24HR MAX	na	ON	na	AVERAGE DAILY TOTAL			241.1
MAXIMUM 32 OR BELOW			0	MAX ON GRND	na	ON	na	MAX DAILY	371	ON	1
MAXIMUM 90 OR ABOVE			0	WIND (50-FT LEVEL)				MIN DAILY	46	ON	26
MINIMUM 32 OR BELOW			6	AVERAGE SPEED (MPH)			7.7	MISCELLANEOUS NUMBER OF DAYS
MINIMUM 0 OR BELOW			0	DEPARTURE FROM NORM			+1.2	CLEAR	12	FOG	1
HEATING DEGREE DAYS (BASE 65ºF)				PEAK GUST	W @ 46	ON	31	PARTLY CLOUDY	10	THDR	0
TOTAL FOR THE MONTH			407	AVERAGE PSYCHROMETRIC DATA				CLOUDY	9	DUST	0
DEPARTURE FROM NORMAL			+30	DRY BULB (ºF)	52.4	WET BULB (ºF)	43.4	RELATIVE HUMIDITY EXTREMES (%)
SEASON TOTAL (SINCE JULY 1)			497	REL. HUM. (%)	49.4	DEW PT.(ºF)	32.5	HIGHEST	100	ON	27
SEASON DEPARTURE FROM NORM			+32	+ DENOTES LATEST OF MULTIPLE DAYS				LOWEST	17	ON	3