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 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	74	43	58	-13	7	0				N	6.3	16	NNE	46	511	0
2	79	48	64	-7	1	0				NW	7.9	26	N	39	416	4
3	81	47	64	-6	1	0				NW	5.6	17	NW	37	511	0
4	84	46	65	-5	0	0				S	6.0	21	SSW	42	359	9
5	88	50	69	-1	0	4				W	8.6	35	W	42	414	6	KFR 1700
6	75	48	62	-8	3	0				NW	13.9	36	NW	44	506	0
7	76	47	62	-7	3	0				W	6.3	23	NW	37	497	0
8	83	52	68	-1	0	3				NW	8.2	16	NW	35	486	0
9	87	50	68	0	0	3				NW	9.7	40	WNW	36	453	1
10	82	50	66	-1	0	1				NW	7.0	23	WNW	34	478	0
11	78	50	64	-3	1	0				NW	7.9	20	NNE	30	483	0
12	83	54	68	+2	0	3				NW	8.6	20	NNW	28	475	0
13	87	58	72	+6	0	7				NW	7.7	14	NW	27	463	0
14	90	48	69	+4	0	4				NW	4.9	13	E	35	446	2
15	91	49	70	+5	0	5				SE	5.2	16	W	40	422	2
16	86	50	68	+3	0	3				NW	5.0	15	NNW	37	389	4
17	88	50	69	+4	0	4				W	4.8	14	E	38	427	0
18	90	57	74	+10	0	9				NW	7.3	18	NE	33	428	0
19	86	60	73	+9	0	8				NW	8.1	25	N	29	428	0
20	88	45	66	+2	0	1				E	4.7	9	SSE	26	430	0
21	89	47	68	+5	0	3				W	4.4	11	E	28	414	0
22	91	48	70	+7	0	5				SE	4.2	12	WNW	36	410	0
23	88	49	68	+5	0	3				NW	12.2	41	WNW	42	289	7	KFR 1330
24	72	52	62	-1	3	0				SW	12.2	40	SW	33	359	4
25	70	50	60	-3	5	0				W	18.2	43	WSW	38	416	2
26	70	44	57	-5	8	0				W	10.0	29	WNW	44	312	3
27	67	40	54	-8	11	0				W	6.5	19	WNW	40	410	1
28	67	36	52	-10	13	0				E	5.4	16	E	36	389	1
29	78	38	58	-3	7	0				E	5.0	15	NNW	36	352	3
30	75	51	63	+2	2	0				NW	8.5	21	NW	39	377	2
SUM					65	66	0	0
AVG	81.4	48.6	65.0								7.7					1.7

NOTES:				PRECIPITATION (IN.)				MISC. PHENOM. KEY
Daily summary period is midnight to midnight PST				TOTAL FOR THE MONTH			0.0	A-Hail, BD-Blowing Dust, BS-Blowing Snow
"T" in columns 7-9 denotes a trace				DEPARTURE FROM NORM			-0.31	D-Dust, AU-Aurora, DL-Distant Lightning
Snow in columns 8-9 is all frozen precipitation				24HR MAX	0	ON	-	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	0	>= 0.25	0	BAROMETRIC PRESSURE (IN.)
AVERAGE FOR THE MONTH			65.0	>= 0.01	0	>= 0.50	0	AVERAGE STATION			29.215
DEPARTURE FROM NORMAL			-0.7	>= 0.10	0	>= 1.00	0	MAX SEA-LEVEL	30.48	ON	28
HIGHEST	91	ON	22+	SNOW (FROZEN PRECIP.) (IN.)				MIN SEA-LEVEL	29.72	ON	23+
LOWEST	36	ON	28	TOTAL FOR THE MONTH			0	SOLAR RADIATION (LANGLEYS)
NUMBER OF DAYS WITH:				24HR MAX	na	ON	na	AVERAGE DAILY TOTAL			425.0
MAXIMUM 32 OR BELOW			0	MAX ON GRND	na	ON	na	MAX DAILY	511	ON	3+
MAXIMUM 90 OR ABOVE			4	WIND (50-FT LEVEL)				MIN DAILY	289	ON	23
MINIMUM 32 OR BELOW			0	AVERAGE SPEED (MPH)			7.7	MISCELLANEOUS NUMBER OF DAYS
MINIMUM 0 OR BELOW			0	DEPARTURE FROM NORM			+0.3	CLEAR	24	FOG	0
HEATING DEGREE DAYS (BASE 65ºF)				PEAK GUST	WSW @ 43	ON	25	PARTLY CLOUDY	5	THDR	0
TOTAL FOR THE MONTH			65	AVERAGE PSYCHROMETRIC DATA				CLOUDY	1	DUST	0
DEPARTURE FROM NORMAL			-13	DRY BULB (ºF)	65.4	WET BULB (ºF)	50.6	RELATIVE HUMIDITY EXTREMES (%)
SEASON TOTAL (SINCE JULY 1)			90	REL. HUM. (%)	36.3	DEW PT.(ºF)	36.4	HIGHEST	80	ON	1
SEASON DEPARTURE FROM NORM			+2	+ DENOTES LATEST OF MULTIPLE DAYS				LOWEST	16	ON	28+