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: January 1997
	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	56	36	46	18	19	0	0.08		8	SW	13.2	49	SSW	67	113	7	F,KFR 0045
2	57	35	46	18	19	0	T		2	S	7.8	32	S	71	104	9
3	50	30	40	12	25	0	T		T	W	9.3	30	WSW	64	129	2
4	40	25	32	3	33	0				NW	5.9	13	NW	81	108	8
5	42	24	33	4	32	0				NW	5.6	14	NW	82	120	4
6	44	24	34	5	31	0				NW	4.2	12	SW	86	70	10	F
7	55	35	45	16	20	0				W	6.2	25	W	62	86	10
8	53	38	46	17	19	0				SW	5.1	20	NW	65	84	10
9	48	33	40	11	25	0	T			NW	4	13	SSE	82	74	10
10	54	34	44	14	21	0				W	5.8	21	W	75	86	9
11	48	27	38	8	27	0				NE	10	33	ENE	63	108	3	KFR 1730
12	33	18	26	-5	39	0				N	11.2	33	NE	50	156	0
13	33	13	23	-8	42	0				NW	7.8	19	NW	53	156	0
14	30	8	19	-13	46	0				NW	4.6	12	WNW	72	173	0
15	34	15	24	-9	41	0				NW	9.2	19	NW	70	172	0
16	31	11	21	-12	44	0	0.07	0.7		NW	6.5	19	WNW	77	119	8	F
17	32	27	30	-3	35	0	0.31	0.2	0.6	NW	3.9	12	NW	92	38	10	F,GL,KFR 1600
18	39	32	36	3	29	0	0.04		0.2	NW	4	13	WNW	91	93	10	F
19	37	32	34	1	31	0	T			S	3.1	7	NNE	96	47	10	F
20	34	30	32	-1	33	0	0.04			E	2.6	9	ENE	99	29	10	F
21	42	26	34	1	31	0	0.16			NW	7.2	19	NW	91	91	9	F
22	50	31	40	7	25	0				W	6.2	18	W	80	131	7	F
23	48	26	37	5	28	0				SW	12.3	40	WSW	64	161	2
24	47	25	36	4	29	0				NW	6.5	21	SW	66	168	4
25	30	26	28	-4	37	0				NW	9.1	22	NW	62	61	10
26	28	17	22	-9	43	0				NE	5.7	17	NW	60	89	10
27	26	16	21	-11	44	0	0.1	0.9		NW	9.7	22	WNW	64	109	10	F
28	31	17	24	-8	41	0	T	T	0.8	NW	4.1	10	NNW	80	173	5	KFR 0200
29	32	24	28	-4	37	0	0.01		0.6	NW	2.9	9	WNW	79	86	10	GL
30	54	28	41	9	24	0	0.01		0.4	N	5.3	23	WSW	78	56	10	GL
31	46	38	42	10	23	0	0.69			NW	5.5	18	NW	92	70	10	F
SUM					973	0	1.51	1.8
AVG	41.4	25.8	33.6								6.6					7

NOTES:				PRECIPITATION (IN.)				MISC. PHENOM. KEY
Daily summary period is midnight to midnight PST				TOTAL FOR THE MONTH			1.51	A-Hail, BD-Blowing Dust, BS-Blowing Snow
"T" in columns 7-9 denotes a trace				DEPARTURE FROM NORM			+0.72	D-Dust, AU-Aurora, DL-Distant Lightning
Snow in columns 8-9 is all frozen precipitation				24HR MAX	0.69	ON	31	F-Fog, IC-Ice Crystals, K-Smoke
Solrad in coluns 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	15	>= 0.25	2	BAROMETRIC PRESSURE (IN.)
AVERAGE FOR THE MONTH			33.6	>= 0.01	10	>= 0.50	1	AVERAGE STATION			29.291
DEPARTURE FROM NORMAL			+2.3	>= 0.10	4	>= 1.00	0	MAX SEA-LEVEL	30.58	ON	28+
HIGHEST	57	ON	2	SNOW (FROZEN PRECIP.) (IN.)				MIN SEA-LEVEL	29.33	ON	1
LOWEST	8	ON	14	TOTAL FOR THE MONTH			1.8	SOLAR RADIATION (LANGLEYS)
NUMBER OF DAYS WITH:				24HR MAX	0.9	ON	27+	AVERAGE DAILY TOTAL			105.2
MAXIMUM 32 OR BELOW			8	MAX ON GRND	8.0	ON	1	MAX DAILY	173	ON	28+
MAXIMUM 90 OR ABOVE			0	WIND (50-FT LEVEL)				MIN DAILY	29	ON	20
MINIMUM 32 OR BELOW			24	AVERAGE SPEED (MPH)			6.6	MISCELLANEOUS NUMBER OF DAYS
MINIMUM 0 OR BELOW			0	DEPARTURE FROM NORM			+0.1	CLEAR	7	FOG	11
HEATING DEGREE DAYS (BASE 65ºF)				PEAK GUST	SSW @ 49	ON	1	PARTLY CLOUDY	5	THDR	0
TOTAL FOR THE MONTH			973	AVERAGE PSYCHROMETRIC DATA				CLOUDY	19	DUST	0
DEPARTURE FROM NORMAL			-71	DRY BULB (ºF)	33.3	WET BULB (ºF)	30.6	RELATIVE HUMIDITY EXTREMES (%)
SEASON TOTAL (SINCE JULY 1)			3363	REL. HUM. (%)	74.7	DEW PT.(ºF)	25.5	HIGHEST	100	ON	20+
SEASON DEPARTURE FROM NORM			+66	+ DENOTES LATEST OF MULTIPLE DAYS				LOWEST	31	ON	13