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 2008
	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	54	28	41	-9	24	0				SE	6.2	16	WNW	43.2	490	1
2	58	35	46	-4	19	0				NW	5.8	14	SSE	40.8	467	2
3	65	22	44	-6	21	0				SE	4.2	19	S	43.8	422	5
4	56	37	46	-5	19	0				W	9.9	44	SW	48.7	204	10	KFR 1345
5	59	30	44	-7	21	0				SW	9.9	26	SW	44.1	455	0
6	62	40	51	0	14	0				SW	11.7	33	SW	46.2	421	5
7	58	35	46	-5	19	0	0.02			SW	9.4	36	S	57.2	296	7
8	54	34	44	-7	21	0				SW	5.4	19	WNW	58.8	280	10
9	57	32	44	-7	21	0				W	9.0	28	NW	38.6	422	4
10	64	39	52	0	13	0				W	10.7	33	NW	40.6	434	4
11	68	31	50	-2	15	0				SE	5.3	16	SSE	45.0	496	2
12	77	38	58	+6	7	0				NW	5.5	17	W	44.9	514	0
13	83	42	62	+9	3	0				NW	7.9	31	WSW	43.8	443	7
14	64	40	52	-1	13	0	0.02			W	14.0	32	W	39.4	481	5	KFR 0415
15	57	38	48	-6	17	0				W	14.3	37	NW	38.8	417	5
16	65	38	52	-2	13	0				SW	8.0	26	W	40.7	540	0
17	71	32	52	-2	13	0				NW	9.5	38	NW	46.8	534	1
18	60	28	44	-10	21	0				W	11.8	43	SW	44.1	493	5
19	55	27	41	-13	24	0	0.01			SW	7.3	25	W	48.0	463	3
20	50	29	40	-15	25	0				NW	7.9	25	NW	56.3	370	9
21	55	24	40	-15	25	0	T	T		SW	7.5	31	SW	49.1	479	4
22	60	35	48	-7	17	0				NE	7.4	36	E	45.5	416	10
23	61	42	52	-3	13	0	0.03			W	14.2	35	WSW	52.6	443	7	KFR 0315
24	63	38	50	-5	15	0				W	12.2	35	SW	44.5	431	9
25	63	35	49	-7	16	0				NW	8.3	26	WNW	34.9	558	0
26	68	31	50	-6	15	0				E	4.5	18	ESE	37.0	564	4
27	73	45	59	+3	6	0				NW	5.4	13	NW	33.0	410	10
28	78	42	60	+3	5	0				SW	12.7	40	WSW	40.1	550	3
29	65	42	54	-3	11	0				W	12.7	36	SW	41.0	529	8	KFR 1330
30	62	37	50	-8	15	0				W	14.1	38	WNW	37.3	545	8
SUM					481	0	0.08	T
AVG	62.8	34.9	48.8								9.1					4.9

NOTES:				PRECIPITATION (IN.)				MISC. PHENOM. KEY
Daily summary period is midnight to midnight PST				TOTAL FOR THE MONTH			0.08	A-Hail, BD-Blowing Dust, BS-Blowing Snow
"T" in columns 7-9 denotes a trace				DEPARTURE FROM NORM			-0.36	D-Dust, AU-Aurora, DL-Distant Lightning
Snow in columns 8-9 is all frozen precipitation				24HR MAX	0.03	ON	23	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	5	>= 0.25	0	BAROMETRIC PRESSURE (IN.)
AVERAGE FOR THE MONTH			48.8	>= 0.01	4	>= 0.50	0	AVERAGE STATION			29.242
DEPARTURE FROM NORMAL			-4.7	>= 0.10	0	>= 1.00	0	MAX SEA-LEVEL	30.48	ON	26
HIGHEST	83	ON	13	SNOW (FROZEN PRECIP.) (IN.)				MIN SEA-LEVEL	29.73	ON	29
LOWEST	50	ON	20	TOTAL FOR THE MONTH			T	SOLAR RADIATION (LANGLEYS)
NUMBER OF DAYS WITH:				24HR MAX	T	ON	21	AVERAGE DAILY TOTAL			452.3
MAXIMUM 32 OR BELOW			0	MAX ON GRND	na	ON	na	MAX DAILY	564	ON	26
MAXIMUM 90 OR ABOVE			0	WIND (50-FT LEVEL)				MIN DAILY	204	ON	4
MINIMUM 32 OR BELOW			11	AVERAGE SPEED (MPH)			9.1	MISCELLANEOUS NUMBER OF DAYS
MINIMUM 0 OR BELOW			0	DEPARTURE FROM NORM			+0.3	CLEAR	10	FOG	0
HEATING DEGREE DAYS (BASE 65ºF)				PEAK GUST	SW @ 44	ON	4	PARTLY CLOUDY	12	THDR	0
TOTAL FOR THE MONTH			481	AVERAGE PSYCHROMETRIC DATA				CLOUDY	8	DUST	0
DEPARTURE FROM NORMAL			+131	DRY BULB (ºF)	49.2	WET BULB (ºF)	39.8	RELATIVE HUMIDITY EXTREMES (%)
SEASON TOTAL (SINCE JULY 1)			5312	REL. HUM. (%)	44.2	DEW PT.(ºF)	26.6	HIGHEST	88	ON	17
SEASON DEPARTURE FROM NORM			+341	+ DENOTES LATEST OF MULTIPLE DAYS				LOWEST	16	ON	25+