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: May 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	66	51	58	0	7	0	T			SE	6.7	18	ENE	59	246	10
2	68	43	56	-2	9	0	0.07			SW	13.3	39	WSW	59	417	9	KFR 0800
3	65	38	52	-7	13	0				W	10.2	26	W	42	599	3
4	62	37	50	-9	15	0	0.05			W	11.2	36	WNW	46	382	5
5	69	39	54	-5	11	0				NW	9.6	30	WNW	36	618	1
6	80	38	59	0	6	0				NW	7.8	27	WNW	48	548	9
7	86	55	70	+10	0	5				W	6.9	28	W	41	550	4
8	94	51	72	+12	0	7				NW	10.1	40	WSW	39	630	1	DL, KFR 1630
9	79	48	64	+4	1	0				NW	8.3	31	WNW	28	652	3
10	84	48	66	+5	0	1				NW	7.1	25	NW	28	642	2
11	83	47	65	+4	0	0				E	5.6	23	NW	34	555	7
12	84	54	69	+8	0	4	T			W	9.4	37	WNW	39	493	7	KFR 1430
13	72	47	60	-1	5	0				NW	10.6	28	NW	42	601	4
14	79	38	58	-4	7	0				NW	6.8	20	WNW	41	623	0
15	88	50	69	+7	0	4				NW	7.4	18	WNW	32	623	5
16	86	61	74	+12	0	9				NW	13.2	33	WNW	32	548	8
17	84	48	66	+4	0	1				W	9.6	38	NW	36	646	2
18	83	45	64	+2	1	0				W	7.3	28	WSW	35	569	6	KFR 2030
19	71	53	62	0	3	0				W	13.5	33	WSW	40	449	9
20	64	45	54	-8	11	0	0.08			W	8.8	36	WNW	56	346	9
21	72	42	57	-6	8	0	0.10			NW	14.3	44	NW	58	605	5
22	78	49	64	+1	1	0				NW	7.9	23	WNW	39	593	3
23	80	42	61	-3	4	0				NW	8.2	27	NW	31	602	9
24	84	50	67	+3	0	2				W	6.7	29	ENE	31	681	0	KFR 1900
25	77	46	62	-2	3	0				NW	5.5	17	ENE	38	564	9
26	88	50	69	+5	0	4				NW	7.5	34	SE	36	610	8
27	78	49	64	-1	1	0				NW	18.3	41	NW	35	593	2	KFR 0400
28	79	50	64	-1	1	0				W	8.0	32	NW	35	679	1
29	83	42	62	-3	3	0				NE	6.3	22	ENE	44	690	0
30	89	52	70	+5	0	5				NW	6.6	16	N	32	686	0
31	96	53	74	+8	0	9				SE	5.5	14	SE	31	664	2
SUM					110	51
AVG	79.1	47.1	63.1								9.0					4.6

NOTES:				PRECIPITATION (IN.)				MISC. PHENOM. KEY
Daily summary period is midnight to midnight PST				TOTAL FOR THE MONTH			0.30	A-Hail, BD-Blowing Dust, BS-Blowing Snow
"T" in columns 7-9 denotes a trace				DEPARTURE FROM NORM			-0.25	D-Dust, AU-Aurora, DL-Distant Lightning
Snow in columns 8-9 is all frozen precipitation				24HR MAX	0.18	ON	20-21	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			63.1	>= 0.01	4	>= 0.50	0	AVERAGE STATION			29.182
DEPARTURE FROM NORMAL			+1.3	>= 0.10	1	>= 1.00	0	MAX SEA-LEVEL	30.32	ON	14
HIGHEST	96	ON	31	SNOW (FROZEN PRECIP.) (IN.)				MIN SEA-LEVEL	29.64	ON	2
LOWEST	37	ON	4	TOTAL FOR THE MONTH			0	SOLAR RADIATION (LANGLEYS)
NUMBER OF DAYS WITH:				24HR MAX	na	ON	na	AVERAGE DAILY TOTAL			571.1
MAXIMUM 32 OR BELOW			0	MAX ON GRND	na	ON	na	MAX DAILY	690	ON	29
MAXIMUM 90 OR ABOVE			2	WIND (50-FT LEVEL)				MIN DAILY	246	ON	1
MINIMUM 32 OR BELOW			0	AVERAGE SPEED (MPH)			9.0	MISCELLANEOUS NUMBER OF DAYS
MINIMUM 0 OR BELOW			0	DEPARTURE FROM NORM			+0.1	CLEAR	14	FOG	0
HEATING DEGREE DAYS (BASE 65ºF)				PEAK GUST	NW @ 44	ON	21	PARTLY CLOUDY	8	THDR	0
TOTAL FOR THE MONTH			110	AVERAGE PSYCHROMETRIC DATA				CLOUDY	9	DUST	0
DEPARTURE FROM NORMAL			-46	DRY BULB (ºF)	63.7	WET BULB (ºF)	50.0	RELATIVE HUMIDITY EXTREMES (%)
SEASON TOTAL (SINCE JULY 1)			5244	REL. HUM. (%)	39.5	DEW PT.(ºF)	36.5	HIGHEST	99	ON	2
SEASON DEPARTURE FROM NORM			+91	+ DENOTES LATEST OF MULTIPLE DAYS				LOWEST	10	ON	23+