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 2004
	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	32	22	27	-1	38	0	1.17	11.4	1	NW	10.2	37	NW	93	16	10	F, BS, WFR 1400
2	34	21	28	0	37	0	0.01	0.1	12	NW	3.3	10	NW	90	108	9	F
3	27	14	20	-8	45	0	0.06	0.8	8	NW	7.3	18	NW	76	62	10	F, KFR 0500
4	14	-7	4	-24	61	0	T	T	9	NW	8.0	18	NNW	60	89	9
5	8	-14	-3	-31	68	0			9	NW	4.6	15	WNW	73	103	10
6	12	6	9	-19	56	0	0.37	3.7	8	NW	5.4	12	NW	82	50	10	F
7	18	6	12	-17	53	0	0.19	2.5	12	SW	4.5	11	NW	87	73	10	F, WFR 0900
8	22	11	16	-13	49	0	T	T	14	W	3.3	9	SSE	84	97	10	F, GL
9	31	20	26	-3	39	0	T		13	SE	3.1	13	SE	91	88	10	F, GL
10	31	23	27	-2	38	0			13	NW	3.4	11	NW	96	67	10	F
11	34	27	30	0	35	0			12	E	2.7	11	SSE	96	66	10	F
12	32	28	30	-1	35	0	T		12	SE	3.0	9	NNE	99	50	10	F, GL
13	32	30	31	-1	34	0			11	NE	1.9	8	WSW	97	71	10	F
14	32	30	31	-2	34	0	0.03		10	SE	3.0	13	SE	98	68	10	F, GL
15	31	22	26	-7	39	0	T		9	SE	3.0	11	S	98	56	10	F, GL
16	34	30	32	-2	33	0	T		8	W	4.6	10	WNW	96	49	10	F, GL
17	36	32	34	0	31	0			7	SW	2.5	9	SW	96	58	10	F
18	35	31	33	-1	32	0	0.05	0.5	7	SE	3.1	11	SE	99	66	10	F
19	36	32	34	0	31	0	T		7	NW	3.9	9	WNW	91	62	10	F
20	39	32	36	+2	29	0	T		6	NW	3.6	10	WNW	92	77	10	F
21	36	32	34	0	31	0	0.01	0.1	5	S	2.5	8	E	98	59	10	F
22	34	31	32	-2	33	0	T		4	S	2.0	7	SSE	98	35	10	F, GL
23	35	31	33	-1	32	0	0.12		4	NW	3.4	8	WNW	96	47	10	F, GL
24	42	31	36	+2	29	0	0.02		4	W	5.4	22	WSW	86	142	7	F, KFR 0800
25	43	29	36	+2	29	0			4	W	6.8	19	W	67	130	8
26	45	28	36	+2	29	0			2	SW	6.3	28	SSW	75	101	9
27	47	30	38	+5	27	0			2	NW	3.6	17	WSW	83	115	8
28	54	32	43	+10	22	0			T	SW	9.8	38	SW	70	82	9	1700
29	61	38	50	+17	15	0	0.01		0	SW	12.8	43	SSW	71	122	9
30	57	35	46	+13	19	0				SW	21.6	63	SW	50	141	5	0315
31	44	32	38	+5	27	0	0.08			W	9.9	34	WSW	63	67	9	F
SUM					1110	0	2.12	19.1
AVG	34.5	24.0	29.2								5.4					9.4

NOTES:				PRECIPITATION (IN.)				MISC. PHENOM. KEY
Daily summary period is midnight to midnight PST				TOTAL FOR THE MONTH			2.12	A-Hail, BD-Blowing Dust, BS-Blowing Snow
"T" in columns 7-9 denotes a trace				DEPARTURE FROM NORM			+1.25	D-Dust, AU-Aurora, DL-Distant Lightning
Snow in columns 8-9 is all frozen precipitation				24HR MAX	1.17	ON	1	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	21	>= 0.25	2	BAROMETRIC PRESSURE (IN.)
AVERAGE FOR THE MONTH			29.2	>= 0.01	12	>= 0.50	1	AVERAGE STATION			29.332
DEPARTURE FROM NORMAL			-2.6	>= 0.10	4	>= 1.00	1	MAX SEA-LEVEL	30.89	ON	5
HIGHEST	61	ON	29	SNOW (FROZEN PRECIP.) (IN.)				MIN SEA-LEVEL	29.29	ON	1
LOWEST	-14	ON	5	TOTAL FOR THE MONTH			19.1	SOLAR RADIATION (LANGLEYS)
NUMBER OF DAYS WITH:				24HR MAX	11.4	ON	1	AVERAGE DAILY TOTAL			78.0
MAXIMUM 32 OR BELOW			13	MAX ON GRND	14.1	ON	7	MAX DAILY	142	ON	24
MAXIMUM 90 OR ABOVE			0	WIND (50-FT LEVEL)				MIN DAILY	16	ON	1
MINIMUM 32 OR BELOW			29	AVERAGE SPEED (MPH)			5.4	MISCELLANEOUS NUMBER OF DAYS
MINIMUM 0 OR BELOW			2	DEPARTURE FROM NORM			-0.9	CLEAR	0	FOG	23
HEATING DEGREE DAYS (BASE 65ºF)				PEAK GUST	SW @ 63	ON	30	PARTLY CLOUDY	2	THDR	0
TOTAL FOR THE MONTH			1110	AVERAGE PSYCHROMETRIC DATA				CLOUDY	29	DUST	0
DEPARTURE FROM NORMAL			+82	DRY BULB (ºF)	29.5	WET BULB (ºF)	28.1	RELATIVE HUMIDITY EXTREMES (%)
SEASON TOTAL (SINCE JULY 1)			3235	REL. HUM. (%)	85.5	DEW PT.(ºF)	25.2	HIGHEST	100	ON	31+
SEASON DEPARTURE FROM NORM			-32	+ DENOTES LATEST OF MULTIPLE DAYS				LOWEST	32	ON	30