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 2000
	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	79	38	58	+8	7	0				NW	10.2	34	NW	46	451	9
2	74	48	61	+11	4	0				NW	7.1	24	WNW	44	483	0
3	76	40	58	+8	7	0				NE	4.4	15	W	55	468	3
4	73	41	57	+6	8	0				W	12.6	43	WSW	47	423	7	KFR 1320
5	58	29	44	-7	21	0				SW	6.6	20	SW	45	380	10
6	58	37	48	-3	17	0	T			NW	7.9	32	NW	50	250	9
7	63	30	46	-6	19	0				W	4.8	15	SE	45	515	2
8	70	37	54	+2	11	0				W	8.3	17	NNW	38	471	4
9	76	41	58	+6	7	0				W	5.7	22	WNW	41	507	2
10	75	37	56	+4	9	0				W	4.4	13	E	47	523	2
11	76	39	58	+6	7	0				E	4.0	12	E	44	434	8
12	82	49	66	+14	0	1				W	7.1	26	W	37	422	7
13	64	49	56	+4	9	0	0.54			NW	7.5	39	WSW	75	103	10	KFR 1800
14	65	48	56	+4	9	0	T			SW	11.0	31	SW	64	272	10
15	64	47	56	+4	9	0				SW	8.0	24	SW	57	284	10
16	63	46	54	+2	11	0	0.03			NW	6.3	17	NW	71	346	10
17	68	45	56	+4	9	0				NW	6.5	13	WNW	66	367	8
18	77	51	64	+12	1	0				NW	10.9	35	NW	47	506	4
19	73	38	56	+4	9	0				W	6.9	33	WNW	41	568	0
20	72	48	60	+7	5	0	T			SE	4.6	16	E	53	399	6
21	78	41	60	+7	5	0				SW	6.8	36	WSW	54	532	1	KFR 2130
22	67	44	56	+2	9	0				NW	14.2	39	SW	46	490	6
23	64	34	49	-5	16	0				SW	10.3	36	WSW	49	520	8
24	60	36	48	-6	17	0				SW	6.9	23	W	33	551	5
25	62	42	52	-3	13	0	T			W	10.2	34	WSW	44	301	10	KFR 0500
26	67	34	50	-5	15	0				E	6.3	18	E	49	531	7
27	72	50	61	+6	4	0				NW	12.3	39	W	47	339	9	KFR 1545
28	64	44	54	-2	11	0				W	13.6	33	WSW	41	571	4
29	68	33	50	-6	15	0				SW	6.0	23	WNW	41	590	0
30	78	44	61	+4	4	0				W	6.3	21	WNW	35	541	7
SUM					288	1	0.57	0
AVG	69.5	41.3	55.4								7.9					5.9

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			+0.16	D-Dust, AU-Aurora, DL-Distant Lightning
Snow in columns 8-9 is all frozen precipitation				24HR MAX	0.54	ON	13	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	1	BAROMETRIC PRESSURE (IN.)
AVERAGE FOR THE MONTH			55.4	>= 0.01	2	>= 0.50	1	AVERAGE STATION			29.206
DEPARTURE FROM NORMAL			+2.7	>= 0.10	1	>= 1.00	0	MAX SEA-LEVEL	30.47	ON	7
HIGHEST	82	ON	12	SNOW (FROZEN PRECIP.) (IN.)				MIN SEA-LEVEL	29.61	ON	27
LOWEST	29	ON	5	TOTAL FOR THE MONTH			0	SOLAR RADIATION (LANGLEYS)
NUMBER OF DAYS WITH:				24HR MAX	na	ON	na	AVERAGE DAILY TOTAL			437.9
MAXIMUM 32 OR BELOW			0	MAX ON GRND	na	ON	na	MAX DAILY	590	ON	29
MAXIMUM 90 OR ABOVE			0	WIND (50-FT LEVEL)				MIN DAILY	103	ON	13
MINIMUM 32 OR BELOW			2	AVERAGE SPEED (MPH)			7.9	MISCELLANEOUS NUMBER OF DAYS
MINIMUM 0 OR BELOW			0	DEPARTURE FROM NORM			-1.1	CLEAR	8	FOG	0
HEATING DEGREE DAYS (BASE 65ºF)				PEAK GUST	WSW @ 43	ON	4	PARTLY CLOUDY	11	THDR	0
TOTAL FOR THE MONTH			288	AVERAGE PSYCHROMETRIC DATA				CLOUDY	11	DUST	0
DEPARTURE FROM NORMAL			-84	DRY BULB (ºF)	56.1	WET BULB (ºF)	46.2	RELATIVE HUMIDITY EXTREMES (%)
SEASON TOTAL (SINCE JULY 1)			4592	REL. HUM. (%)	48.3	DEW PT.(ºF)	35.2	HIGHEST	94	ON	13
SEASON DEPARTURE FROM NORM			-443	+ DENOTES LATEST OF MULTIPLE DAYS				LOWEST	17	ON	24