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: September 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	95	63	79	+8	0	14				NW	6.9	27	WNW	39	446	3	DL
2	80	63	72	+1	0	7				NW	7.0	24	WNW	50	148	8
3	71	59	65	-5	0	0	0.15			N	4.6	21	W	80	117	9	DL
4	83	57	70	0	0	5				E	4.9	13	E	67	451	1
5	85	57	71	+1	0	6				NW	9.7	33	NW	54	335	4	DL
6	78	50	64	-6	1	0				W	6.0	22	W	44	431	9
7	85	48	66	-3	0	1				W	5.7	14	ENE	44	449	8
8	89	57	73	+4	0	8				NW	7.7	17	NE	38	446	3
9	91	63	77	+9	0	12				NW	7.0	16	WNW	34	404	7
10	91	64	78	+11	0	13	T			NW	7.2	23	W	43	268	9	DL
11	83	58	70	+3	0	5	T			W	12.2	29	NW	46	340	6	DL
12	78	51	64	-2	1	0				SW	8.7	25	W	43	409	1
13	74	50	62	-4	3	0				NW	10.8	22	WNW	51	264	8
14	69	52	60	-5	5	0				S	8.1	28	WSW	58	65	10
15	69	55	62	-3	3	0	T			SW	16.8	42	SSW	52	155	10
16	67	50	58	-7	7	0	T			W	9.7	28	SSW	64	166	9
17	72	57	64	-1	1	0	0.03			SW	16.6	43	SW	56	313	6	KFR 0545
18	67	49	58	-6	7	0	0.13			SW	7.3	34	SW	74	183	9
19	74	49	62	-2	3	0				NW	6.9	16	NE	60	404	0
20	78	50	64	0	1	0				NW	7.0	13	NNE	51	403	0
21	83	44	64	+1	1	0				N	5.4	13	WSW	53	394	0
22	86	47	66	+3	0	1				NE	4.5	13	NE	55	380	0
23	87	50	68	+5	0	3				W	5.5	12	WSW	50	373	0
24	90	53	72	+9	0	7				W	6.6	14	NW	45	365	0
25	90	55	72	+9	0	7				NW	6.6	28	SW	45	305	4
26	75	56	66	+4	0	1	0.01			SW	16.7	48	WSW	47	300	6	DL
27	74	48	61	-1	4	0				W	10.8	32	W	46	368	1
28	82	45	64	+2	1	0				S	4.8	13	NNW	55	350	0
29	83	50	66	+5	0	1				NW	4.9	11	E	56	345	2
30	77	54	66	+5	0	1				SE	6.9	39	WSW	58	91	10
SUM					38	92	0.32	0
AVG	80.2	53.5	66.8								8.1					4.8

NOTES:				PRECIPITATION (IN.)				MISC. PHENOM. KEY
Daily summary period is midnight to midnight PST				TOTAL FOR THE MONTH			0.32	A-Hail, BD-Blowing Dust, BS-Blowing Snow
"T" in columns 7-9 denotes a trace				DEPARTURE FROM NORM			+0.01	D-Dust, AU-Aurora, DL-Distant Lightning
Snow in columns 8-9 is all frozen precipitation				24HR MAX	0.15	ON	1	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	8	>= 0.25	0	BAROMETRIC PRESSURE (IN.)
AVERAGE FOR THE MONTH			66.8	>= 0.01	4	>= 0.50	0	AVERAGE STATION			29.120
DEPARTURE FROM NORMAL			+1.1	>= 0.10	2	>= 1.00	0	MAX SEA-LEVEL	30.23	ON	27
HIGHEST	95	ON	1	SNOW (FROZEN PRECIP.) (IN.)				MIN SEA-LEVEL	29.46	ON	25
LOWEST	44	ON	21	TOTAL FOR THE MONTH			0	SOLAR RADIATION (LANGLEYS)
NUMBER OF DAYS WITH:				24HR MAX	na	ON	na	AVERAGE DAILY TOTAL			315.7
MAXIMUM 32 OR BELOW			0	MAX ON GRND	na	ON	na	MAX DAILY	451	ON	4
MAXIMUM 90 OR ABOVE			5	WIND (50-FT LEVEL)				MIN DAILY	65	ON	14
MINIMUM 32 OR BELOW			0	AVERAGE SPEED (MPH)			8.1	MISCELLANEOUS NUMBER OF DAYS
MINIMUM 0 OR BELOW			0	DEPARTURE FROM NORM			+0.7	CLEAR	13	FOG	0
HEATING DEGREE DAYS (BASE 65ºF)				PEAK GUST	WSW @ 48	ON	26	PARTLY CLOUDY	6	THDR	0
TOTAL FOR THE MONTH			38	AVERAGE PSYCHROMETRIC DATA				CLOUDY	11	DUST	0
DEPARTURE FROM NORMAL			-40	DRY BULB (ºF)	67.1	WET BULB (ºF)	55.8	RELATIVE HUMIDITY EXTREMES (%)
SEASON TOTAL (SINCE JULY 1)			40	REL. HUM. (%)	51.9	DEW PT.(ºF)	47.3	HIGHEST	98	ON	4+
SEASON DEPARTURE FROM NORM			-48	+ DENOTES LATEST OF MULTIPLE DAYS				LOWEST	19	ON	9+