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 2003
	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	72	42	57	-1	8	0				W	5.5	22	SSE	58	514	6
2	70	43	60	+2	5	0				W	7.0	24	WNW	49	588	2	KFR 1900
3	70	49	60	+1	5	0				W	8.7	32	SW	44	396	9
4	66	47	56	-3	9	0				SW	12.9	33	SW	48	458	10
5	64	40	52	-7	13	0				W	11.5	36	W	43	521	2
6	62	36	49	-10	16	0				W	7.0	25	WSW	41	523	5
7	64	36	50	-10	15	0				SW	5.5	22	SSW	42	449	8
8	70	39	54	-6	11	0				N	7.6	27	WNW	42	533	8
9	74	51	62	+2	3	0				NW	13.6	30	NW	39	553	7
10	72	50	61	0	4	0				NW	6.8	21	NW	45	461	8
11	73	50	62	+1	3	0				W	6.9	22	SW	48	385	9
12	73	52	62	+1	3	0	0.06			SE	8.3	33	SSE	65	367	6	T
13	77	44	60	-1	5	0				SE	5.0	16	W	49	583	6
14	77	49	63	+1	2	0				W	10.9	41	WNW	46	517	7	KFR 1745
15	64	38	51	-11	14	0	T			NW	11.5	38	WSW	42	524	6	KFR 1530
16	61	35	48	-14	17	0	0.02			W	8.7	34	W	49	506	3
17	58	36	47	-15	18	0				NW	11.6	31	WSW	44	395	5
18	66	41	54	-8	11	0				W	9.2	25	WSW	38	498	8
19	70	34	52	-10	13	0				N	4.4	17	E	40	587	5
20	71	50	60	-2	5	0				NW	7.6	19	ESE	37	331	10
21	77	53	65	+2	0	0				E	4.9	15	E	52	441	9
22	82	54	68	+5	0	3				NW	5.8	19	SW	49	447	10
23	88	52	70	+6	5	0				W	5.7	19	WNW	46	571	5
24	90	62	76	+12	11	0	T			NW	9.4	25	WNW	46	452	2	DL,KFR 1900
25	74	56	65	+1	0	0	T			W	7.4	24	WSW	52	265	10
26	79	50	64	0	1	0				SW	9.5	25	WSW	34	529	7
27	87	54	70	+5	0	5				NW	5.9	16	WSW	38	588	4
28	93	63	78	+13	0	13				NW	12.0	31	NW	37	554	8	KFR 1700
29	89	55	72	+7	0	7				NW	7.2	21	WNW	34	635	2
30	80	64	72	+7	0	7	T			NW	8.3	24	WNW	37	239	10
31	86	57	72	+6	0	7				W	9.2	32	NW	42	548	10
SUM					181	58	0.08	0
AVG	74.4	47.8	61.1								8.2					6.7

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			-0.47	D-Dust, AU-Aurora, DL-Distant Lightning
Snow in columns 8-9 is all frozen precipitation				24HR MAX	0.06	ON	12	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			61.1	>= 0.01	2	>= 0.50	0	AVERAGE STATION			29.170
DEPARTURE FROM NORMAL			-0.7	>= 0.10	0	>= 1.00	0	MAX SEA-LEVEL	30.52	ON	19
HIGHEST	93	ON	28	SNOW (FROZEN PRECIP.) (IN.)				MIN SEA-LEVEL	29.52	ON	2
LOWEST	34	ON	19	TOTAL FOR THE MONTH			0	SOLAR RADIATION (LANGLEYS)
NUMBER OF DAYS WITH:				24HR MAX	na	ON	na	AVERAGE DAILY TOTAL			482.5
MAXIMUM 32 OR BELOW			0	MAX ON GRND	na	ON	na	MAX DAILY	635	ON	29
MAXIMUM 90 OR ABOVE			2	WIND (50-FT LEVEL)				MIN DAILY	239	ON	30
MINIMUM 32 OR BELOW			0	AVERAGE SPEED (MPH)			8.2	MISCELLANEOUS NUMBER OF DAYS
MINIMUM 0 OR BELOW			0	DEPARTURE FROM NORM			-0.7	CLEAR	5	FOG	0
HEATING DEGREE DAYS (BASE 65ºF)				PEAK GUST	WNW @ 41	ON	14	PARTLY CLOUDY	12	THDR	1
TOTAL FOR THE MONTH			181	AVERAGE PSYCHROMETRIC DATA				CLOUDY	14	DUST	0
DEPARTURE FROM NORMAL			+25	DRY BULB (ºF)	61.0	WET BULB (ºF)	49.3	RELATIVE HUMIDITY EXTREMES (%)
SEASON TOTAL (SINCE JULY 1)			4694	REL. HUM. (%)	44.4	DEW PT.(ºF)	37.7	HIGHEST	96	ON	12
SEASON DEPARTURE FROM NORM			-433	+ DENOTES LATEST OF MULTIPLE DAYS				LOWEST	15	ON	19