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 2006
	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	53	38	46	-4	19	0	0.35			W	6.9	24	WSW	82	144	10	F,KFR 1400
2	59	32	46	-4	19	0				NW	5.2	16	NW	72	359	8
3	57	42	50	0	15	0	0.08			NW	9.0	19	NW	74	179	10	KFR 1645
4	56	43	50	-1	15	0				W	5.3	12	W	76	257	9
5	61	43	52	+1	13	0	T			NW	11.5	42	WNW	62	159	10
6	66	42	54	+3	11	0				W	12.0	32	W	35	505	1
7	62	36	49	-2	16	0				NW	6.7	17	NW	55	288	10
8	55	42	48	-3	17	0	0.62			W	9.9	32	SW	78	79	10	KFR 1630
9	64	36	50	-1	15	0				E	5.8	15	ENE	69	460	8
10	52	38	45	-7	20	0	0.20			S	5.0	13	SSE	82	144	10
11	64	34	49	-3	16	0				W	4.7	14	SSE	76	406	9
12	70	45	58	+6	7	0	0.02			W	8.5	35	WSW	64	441	8
13	60	44	52	-1	13	0				SW	8.4	38	SW	62	179	10
14	62	42	52	-1	13	0	0.02			SW	10.4	36	SSW	61	179	10	KFR 1530
15	54	40	47	-7	18	0	0.01			SW	12.4	40	SW	60	214	10	KFR 1530
16	57	34	46	-8	19	0				S	8.6	39	SW	44	529	6
17	62	37	50	-4	15	0				W	8.8	27	WNW	45	478	4
18	62	31	46	-8	19	0				SW	6.0	19	S	46	578	1
19	69	34	52	-2	13	0				NW	5.6	14	NE	46	553	5
20	73	39	56	+1	9	0				W	5.3	12	W	47	489	9
21	62	43	52	-3	13	0	T			NW	13.5	35	NW	45	305	9	KFR 0300
22	65	37	51	-4	14	0				N	10.8	30	NNE	36	598	1
23	72	39	56	+1	9	0				NE	12.8	32	NE	34	598	0
24	69	41	55	0	10	0				NE	10.6	35	NE	31	530	3
25	73	38	56	0	9	0				S	6.1	19	S	38	568	1
26	74	39	56	0	9	0				W	9.6	35	WNW	44	486	7
27	75	49	62	+6	3	0				W	6.7	28	WNW	46	601	4
28	81	43	62	+5	3	0				SE	5.1	15	E	52	598	1
29	86	47	66	+9	0	1				W	10.8	46	WNW	46	582	8	KFR 1700
30	68	41	54	-4	11	0				W	7.6	24	W	34	619	0
SUM					383	1	1.30	0
AVG	64.8	39.6	52.2								8.3					6.4

NOTES:				PRECIPITATION (IN.)				MISC. PHENOM. KEY
Daily summary period is midnight to midnight PST				TOTAL FOR THE MONTH			1.30	A-Hail, BD-Blowing Dust, BS-Blowing Snow
"T" in columns 7-9 denotes a trace				DEPARTURE FROM NORM			+0.86	D-Dust, AU-Aurora, DL-Distant Lightning
Snow in columns 8-9 is all frozen precipitation				24HR MAX	0.62	ON	8	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	2	BAROMETRIC PRESSURE (IN.)
AVERAGE FOR THE MONTH			52.2	>= 0.01	7	>= 0.50	1	AVERAGE STATION			29.146
DEPARTURE FROM NORMAL			-1.3	>= 0.10	3	>= 1.00	0	MAX SEA-LEVEL	30.38	ON	18
HIGHEST	86	ON	29	SNOW (FROZEN PRECIP.) (IN.)				MIN SEA-LEVEL	29.44	ON	14
LOWEST	31	ON	18	TOTAL FOR THE MONTH			0	SOLAR RADIATION (LANGLEYS)
NUMBER OF DAYS WITH:				24HR MAX	na	ON	na	AVERAGE DAILY TOTAL			403.5
MAXIMUM 32 OR BELOW			0	MAX ON GRND	na	ON	na	MAX DAILY	619	ON	30
MAXIMUM 90 OR ABOVE			0	WIND (50-FT LEVEL)				MIN DAILY	79	ON	8
MINIMUM 32 OR BELOW			2	AVERAGE SPEED (MPH)			8.3	MISCELLANEOUS NUMBER OF DAYS
MINIMUM 0 OR BELOW			0	DEPARTURE FROM NORM			-0.5	CLEAR	8	FOG	1
HEATING DEGREE DAYS (BASE 65ºF)				PEAK GUST	WNW @ 46	ON	29	PARTLY CLOUDY	5	THDR	0
TOTAL FOR THE MONTH			383	AVERAGE PSYCHROMETRIC DATA				CLOUDY	17	DUST	0
DEPARTURE FROM NORMAL			+33	DRY BULB (ºF)	52.5	WET BULB (ºF)	44.3	RELATIVE HUMIDITY EXTREMES (%)
SEASON TOTAL (SINCE JULY 1)			4982	REL. HUM. (%)	54.7	DEW PT.(ºF)	34.8	HIGHEST	98	ON	11
SEASON DEPARTURE FROM NORM			+11	+ DENOTES LATEST OF MULTIPLE DAYS				LOWEST	17	ON	25+