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 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	63	42	52	-6	13	0				NW	19.3	51	WNW	30	635	1	KFR 0530
2	65	34	50	-8	15	0				W	6.1	23	NW	30	635	0
3	72	36	54	-4	11	0				NE	8.4	27	NE	34	628	0
4	76	38	57	-2	8	0				NE	8.4	26	NE	32	643	2
5	79	38	58	-1	7	0				SW	7.0	31	WNW	32	562	8
6	71	49	60	+1	5	0				NW	14.0	35	NW	39	587	5
7	69	45	57	-3	8	0	0.03			SW	9.9	33	SW	60	290	10	KFR 1730
8	64	44	54	-6	11	0				NW	18.2	36	NW	32	667	1
9	67	37	52	-8	13	0				W	5.9	22	W	33	657	0
10	75	35	55	-6	10	0				N	5.1	16	N	34	591	7
11	76	52	64	+3	1	0				NW	9.1	30	NW	37	328	9	KFR 1515
12	68	43	56	-5	9	0				NW	12.0	32	NW	36	663	4
13	74	38	56	-5	9	0				W	6.4	16	NW	33	666	0
14	85	46	66	+4	0	1				NW	6.5	15	N	30	667	0
15	94	58	76	+14	0	11				NW	8.9	19	NW	28	598	7
16	99	71	85	+23	0	20				NW	7.9	19	NW	27	650	1
17	100	60	80	+18	0	15				SE	5.8	18	NW	34	651	0
18	100	67	84	+22	0	19	0.01			S	9.1	57	SSW	34	575	4	T, DL, D
19	91	62	76	+14	0	11	0.12			W	6.5	34	WSW	56	395	8	T, DL
20	79	59	69	+7	0	4	0.10			W	6.8	22	SW	67	444	8
21	71	51	61	-2	4	0	0.06			NW	5.5	13	NW	69	332	10
22	71	51	61	-2	4	0	0.12			NW	7.1	35	WSW	82	235	10	T, DL,KFR 1500
23	78	46	62	-2	3	0	0.06			S	5.4	45	SW	70	470	8	T
24	73	52	62	-2	3	0				W	9.3	29	WSW	61	340	8
25	71	49	60	-4	5	0				SW	8.0	27	WNW	49	508	9
26	67	49	58	-6	7	0	0.02			W	7.8	26	NW	51	396	9
27	64	51	58	-7	7	0				SW	12.5	28	WSW	61	370	9
28	72	48	60	-5	5	0	0.05			W	11.4	28	W	56	463	5	DL
29	76	46	61	-4	4	0				W	6.6	25	S	45	698	0
30	83	44	64	-1	1	0				W	5.5	25	ESE	40	692	2
31	91	54	72	+6	0	7				NW	7.6	24	NW	36	552	9
SUM					163	88	0.57	0
AVG	76.9	48.2	62.6								8.6					5.0

NOTES:				PRECIPITATION (IN.)				MISC. PHENOM. KEY
Daily summary period is midnight to midnight PST				TOTAL FOR THE MONTH			0.57	A-Hail, BD-Blowing Dust, BS-Blowing Snow
"T" in columns 7-9 denotes a trace				DEPARTURE FROM NORM			+0.02	D-Dust, AU-Aurora, DL-Distant Lightning
Snow in columns 8-9 is all frozen precipitation				24HR MAX	0.22	ON	19-20	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			62.6	>= 0.01	9	>= 0.50	0	AVERAGE STATION			29.187
DEPARTURE FROM NORMAL			+0.8	>= 0.10	3	>= 1.00	0	MAX SEA-LEVEL	30.36	ON	2
HIGHEST	100	ON	18+	SNOW (FROZEN PRECIP.) (IN.)				MIN SEA-LEVEL	29.51	ON	22
LOWEST	34	ON	2	TOTAL FOR THE MONTH			0	SOLAR RADIATION (LANGLEYS)
NUMBER OF DAYS WITH:				24HR MAX	na	ON	na	AVERAGE DAILY TOTAL			535.1
MAXIMUM 32 OR BELOW			0	MAX ON GRND	na	ON	na	MAX DAILY	698	ON	29
MAXIMUM 90 OR ABOVE			6	WIND (50-FT LEVEL)				MIN DAILY	235	ON	22
MINIMUM 32 OR BELOW			0	AVERAGE SPEED (MPH)			8.6	MISCELLANEOUS NUMBER OF DAYS
MINIMUM 0 OR BELOW			0	DEPARTURE FROM NORM			-0.3	CLEAR	12	FOG	0
HEATING DEGREE DAYS (BASE 65ºF)				PEAK GUST	SSW @ 57	ON	18	PARTLY CLOUDY	6	THDR	4
TOTAL FOR THE MONTH			163	AVERAGE PSYCHROMETRIC DATA				CLOUDY	13	DUST	1
DEPARTURE FROM NORMAL			+7	DRY BULB (ºF)	62.4	WET BULB (ºF)	50.0	RELATIVE HUMIDITY EXTREMES (%)
SEASON TOTAL (SINCE JULY 1)			5145	REL. HUM. (%)	43.8	DEW PT.(ºF)	37.5	HIGHEST	98	ON	20
SEASON DEPARTURE FROM NORM			+18	+ DENOTES LATEST OF MULTIPLE DAYS				LOWEST	14	ON	14+