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 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	103	61	82	+11	0	17				SE	7.8	28	NW	27.2	474	7
2	102	66	84	+13	0	19				NW	7.4	22	NW	21.8	509	0
3	102	64	83	+13	0	18				NW	6.6	25	WNW	27.0	508	0
4	98	67	82	+12	0	17				NW	7.0	27	WNW	31.0	502	0
5	97	62	80	+10	0	15				E	6.5	18	E	36.8	511	0
6	98	58	78	+8	0	13				NW	5.5	14	WNW	33.4	494	0
7	84	62	73	+4	0	8	T			SE	5.1	24	NW	41.7	141	9
8	87	66	76	+7	0	11				NW	10.0	30	NW	39.5	411	8
9	80	59	70	+2	0	5				NW	11.3	30	NW	37.8	326	8
10	82	51	66	-1	0	1				W	6.4	15	WNW	36.2	476	0
11	86	48	67	0	0	2				SE	4.5	15	WNW	43.5	464	0
12	90	56	73	+7	0	8				NW	5.3	15	ESE	41.3	462	0
13	90	59	74	+8	0	9				NW	5.9	14	WNW	30.6	461	0
14	94	53	74	+9	0	9				E	4.8	16	ENE	39.1	455	0
15	94	57	76	+11	0	11	T			SW	5.7	18	NNW	33.1	440	0	DL
16	95	61	78	+13	0	13				E	5.6	21	S	37.2	424	0	DL
17	92	57	74	+9	0	9				W	10.8	35	WSW	38.1	397	2	DL,KFR 1400
18	74	55	64	0	1	0	T			SW	13.2	34	SW	49.4	272	9
19	79	55	67	+3	0	2	T			NW	10.5	25	NW	43.4	383	4
20	72	52	62	-2	3	0	0.04			N	6.5	14	WNW	71.6	224	10
21	80	45	62	-1	3	0				W	5.0	13	SSE	52.3	419	4
22	81	45	63	0	2	0				W	4.1	13	E	47.8	388	7
23	84	57	66	+3	0	1				NW	5.1	13	NNW	43.2	404	0
24	85	53	69	+6	0	4				W	8.6	34	NW	40.7	230	8
25	73	55	64	+1	1	0	0.06			W	7.3	24	NNE	63.4	133	9	KFR 1520
26	77	52	64	+2	1	0				NE	5.8	16	NNE	61.7	389	1
27	80	43	62	0	3	0				NE	4.4	11	W	63.8	392	0	F
28	82	46	64	+2	1	0				E	4.4	13	SSE	57.5	388	0
29	84	46	65	+4	0	0				N	3.8	10	NE	47.0	385	3
30	85	51	68	+7	0	3				W	6.0	16	NNW	39.6	373	0
SUM					15	195	0.10	0
AVG	87.0	55.1	71.0								6.7					3.0

NOTES:				PRECIPITATION (IN.)				MISC. PHENOM. KEY
Daily summary period is midnight to midnight PST				TOTAL FOR THE MONTH			0.10	A-Hail, BD-Blowing Dust, BS-Blowing Snow
"T" in columns 7-9 denotes a trace				DEPARTURE FROM NORM			-0.21	D-Dust, AU-Aurora, DL-Distant Lightning
Snow in columns 8-9 is all frozen precipitation				24HR MAX	0.06	ON	25	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			71.0	>= 0.01	2	>= 0.50	0	AVERAGE STATION			29.064
DEPARTURE FROM NORMAL			+5.3	>= 0.10	0	>= 1.00	0	MAX SEA-LEVEL	30.10	ON	27
HIGHEST	103	ON	1	SNOW (FROZEN PRECIP.) (IN.)				MIN SEA-LEVEL	29.58	ON	8
LOWEST	43	ON	27	TOTAL FOR THE MONTH			0	SOLAR RADIATION (LANGLEYS)
NUMBER OF DAYS WITH:				24HR MAX	na	ON	na	AVERAGE DAILY TOTAL			394.3
MAXIMUM 32 OR BELOW			0	MAX ON GRND	na	ON	na	MAX DAILY	511	ON	5
MAXIMUM 90 OR ABOVE			12	WIND (50-FT LEVEL)				MIN DAILY	133	ON	25
MINIMUM 32 OR BELOW			0	AVERAGE SPEED (MPH)			6.7	MISCELLANEOUS NUMBER OF DAYS
MINIMUM 0 OR BELOW			0	DEPARTURE FROM NORM			-0.7	CLEAR	19	FOG	1
HEATING DEGREE DAYS (BASE 65ºF)				PEAK GUST	WSW @ 35	ON	17	PARTLY CLOUDY	4	THDR	0
TOTAL FOR THE MONTH			15	AVERAGE PSYCHROMETRIC DATA				CLOUDY	7	DUST	0
DEPARTURE FROM NORMAL			-63	DRY BULB (ºF)	71.2	WET BULB (ºF)	56.4	RELATIVE HUMIDITY EXTREMES (%)
SEASON TOTAL (SINCE JULY 1)			15	REL. HUM. (%)	42.6	DEW PT.(ºF)	45.0	HIGHEST	100	ON	27
SEASON DEPARTURE FROM NORM			-73	+ DENOTES LATEST OF MULTIPLE DAYS				LOWEST	12	ON	3