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: April 2007
	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	57	32	44	-6	21	0				W	9.2	30	W	46	497	0
2	54	31	42	-8	23	0				NW	9.0	22	NW	45	431	2
3	56	27	42	-8	23	0				NW	5.7	13	WNW	48	440	4
4	58	39	48	-3	17	0				NW	6.8	22	NW	57	285	10
5	66	36	51	0	14	0				NW	6.3	15	NW	65	458	8
6	74	46	60	+9	5	0				NW	7.4	15	WNW	53	479	4
7	70	48	59	+8	6	0	T			NW	9.2	25	WSW	54	340	8
8	72	47	60	+9	5	0	0.03			W	10.0	36	S	54	466	5
9	62	38	50	-1	15	0	T			SW	18.6	49	W	53	482	3	KFR 0500
10	62	31	46	-6	19	0				W	11.0	34	NW	46	527	1
11	61	28	44	-8	21	0				W	6.9	24	W	50	400	8
12	65	39	52	0	13	0				SW	9.1	35	SE	52	458	1
13	67	36	52	-1	13	0				NW	6.2	18	NW	54	439	9
14	58	44	51	-2	14	0	0.22			W	6.9	31	NW	76	162	10	KFR 1800
15	63	38	50	-4	15	0				SW	8.9	36	WNW	48	548	2
16	64	31	48	-6	17	0	T			W	7.3	26	WSW	62	306	8	KFR 1930
17	64	38	51	-3	14	0	T			W	9.9	30	WNW	49	503	4
18	64	42	53	-1	12	0				W	13.0	30	NW	39	487	6
19	61	34	48	-6	17	0				SW	7.1	19	WSW	39	574	0
20	65	30	48	-7	17	0	T			W	5.9	20	ESE	45	493	4
21	59	44	52	-3	13	0	0.01			NE	5.2	19	W	65	227	10
22	66	44	55	0	10	0	T			W	5.8	23	WNW	66	335	10
23	74	45	60	+5	5	0				W	7.4	24	WNW	44	578	1
24	76	47	62	+7	3	0				W	11.1	34	WSW	47	389	8	KFR 1730
25	67	45	56	0	9	0				NW	10.6	28	WNW	50	349	10
26	69	34	52	-4	13	0				S	7.9	24	NW	51	467	7
27	79	46	62	+6	3	0				SW	7.8	24	SW	48	517	8
28	77	49	63	+6	2	0				NW	8.3	21	WNW	49	483	8
29	71	47	59	+2	6	0				NW	11.7	28	NNW	40	529	8	KFR 1200
30	70	38	54	-4	11	0				E	5.6	14	ENE	40	466	9
SUM					376	0	0.26
AVG	65.7	39.1	52.4								8.5					5.8

NOTES:				PRECIPITATION (IN.)				MISC. PHENOM. KEY
Daily summary period is midnight to midnight PST				TOTAL FOR THE MONTH			0.26	A-Hail, BD-Blowing Dust, BS-Blowing Snow
"T" in columns 7-9 denotes a trace				DEPARTURE FROM NORM			-0.18	D-Dust, AU-Aurora, DL-Distant Lightning
Snow in columns 8-9 is all frozen precipitation				24HR MAX	0.22	ON	14	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	9	>= 0.25	0	BAROMETRIC PRESSURE (IN.)
AVERAGE FOR THE MONTH			52.4	>= 0.01	3	>= 0.50	0	AVERAGE STATION			29.206
DEPARTURE FROM NORMAL			-1.1	>= 0.10	1	>= 1.00	0	MAX SEA-LEVEL	30.30	ON	3
HIGHEST	79	ON	27	SNOW (FROZEN PRECIP.) (IN.)				MIN SEA-LEVEL	29.63	ON	8
LOWEST	27	ON	3	TOTAL FOR THE MONTH			0	SOLAR RADIATION (LANGLEYS)
NUMBER OF DAYS WITH:				24HR MAX	na	ON	na	AVERAGE DAILY TOTAL			437.3
MAXIMUM 32 OR BELOW			0	MAX ON GRND	na	ON	na	MAX DAILY	578	ON	23
MAXIMUM 90 OR ABOVE			0	WIND (50-FT LEVEL)				MIN DAILY	162	ON	14
MINIMUM 32 OR BELOW			7	AVERAGE SPEED (MPH)			8.5	MISCELLANEOUS NUMBER OF DAYS
MINIMUM 0 OR BELOW			0	DEPARTURE FROM NORM			-0.3	CLEAR	8	FOG	0
HEATING DEGREE DAYS (BASE 65ºF)				PEAK GUST	W @ 49	ON	9	PARTLY CLOUDY	7	THDR	0
TOTAL FOR THE MONTH			376	AVERAGE PSYCHROMETRIC DATA				CLOUDY	15	DUST	0
DEPARTURE FROM NORMAL			0	DRY BULB (ºF)	53.0	WET BULB (ºF)	44.2	RELATIVE HUMIDITY EXTREMES (%)
SEASON TOTAL (SINCE JULY 1)			5134	REL. HUM. (%)	51.2	DEW PT.(ºF)	33.9	HIGHEST	98	ON	14
SEASON DEPARTURE FROM NORM			+137	+ DENOTES LATEST OF MULTIPLE DAYS				LOWEST	14	ON	19