MAY 2003

Information by Column Number
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2003	TEMP.	TIME	TEMP.	TIME	TEMP.	TEMP. 	MEAN	SOIL	SKY	SKY	PRECIP	MAX.1HR	MAX.5M	FROZ.	SNOW ON	START	END	2003	START	END	WIND  	MAX.	TIME	MAX.	MIN.	MAX.	MIN.	AVE.	BAR.	BAR.&	MAP	FEAT.	HP.LP.	FRONT	FRONT	FRONT 	2003	 
MAY	MAX.	MAX.	MIN.	MIN.	RANGE	MEAN	CHANGE	TEMP.	AM	PM	MELTED	PRECIP.	PRECIP.	PRECIP.	GROUND	TIME	TIME	MAY	TIME	TIME	RUN	GUST	GUST	RH	RH	BAR.	BAR.	BAR.	CHANGE	PREC.	FEAT.	LOC.	TRACK	DIRCT.	INTEN.	PASSED	MAY	REMARKS FOR THE MONTH
May-01	78	17:52	57	5:03	21	67.5	3.0	56	2	1	0.03	0.03	0.03			0001	0050	May-01			23	17	1711	100	60	30.10	29.89	30.00	-0.06	30.09	21			SW	AVE.	1045	May-01	VERY LIGHT AM FOG
May-02	79	16:40	60	6:22	19	69.5	2.0	57	2	0								May-02			36	16	1657	97	41	29.89	29.68	29.79	-0.21		23, 11			WEST	WEAK	NOON	May-02	STRONG COLD FRONT TO THE NW-PASSED AT 2215
May-03	66	15:51	52	7:04	14	59.0	-10.5	58	2	1								May-03			39	13	1229	80	49	30.08	29.83	29.96	0.17		8	NC	EAST				May-03	8°F COOLER LAST NIGHT AND 14°F COOLER TODAY
May-04	66	16:04	50	23:59	14	59.0	0.0	57	2	0	0.01	0.01	T			0455	0525	May-04			23	14	1429	99	27	30.20	30.08	30.14	0.19	30.10	23			WEST	WEAK		May-04	COOL SPRING DAY
May-05	53	10:26	46	4:22	7	49.5	-9.5	56	2	2	0.21	0.04	0.01			0912	2015	May-05	2220	2400	13	8	2156	97	62	30.19	29.99	30.09	-0.05	30.18	8	IA	NE				May-05	RECORD COLD AND DAMP DAY-8°F COOLER THAN PREVIOUS 23 YR. RECORD-NEW REC. LOW MAX. FOR DATE
May-06	62	18:37	51	0:01	11	56.5	7.0	55	2	2	0.04	0.01	0.01			0001	0200	May-06	0330	0750	11	8	1422	100	88	30.00	29.92	29.96	-0.13	29.99	21			SOUTH	AVE.		May-06	LIGHT FOG
May-07	81	15:56	52	6:15	29	66.5	10.0	56	1	0	0.79	0.66	0.27			1815	1850	May-07	2015	2120	20	19	1827	100	57	29.98	29.81	29.90	-0.07	29.82	21			SOUTH	AVE.	1100	May-07	LIGHT FOG IN EARLY AM - RAINBOW TO EAST AT 1848-MAX. RAIN RATE TODAY 3.13 INS. PER HOUR-ALSO A 23 YR REC. AMT. OF PRECIP. FOR DATE
May-08	76	17:30	62	6:25	14	69.0	2.5	58	2	2	0.12	0.08	0.07			1148	1155	May-08			19	23	1141	100	59	30.00	29.83	29.92	0.02	29.90	11			NW	AVE.	2000	May-08	EARLY CIRRUS MOST OF THE SKY COVERED BUT THEN LOWERING CLOUDS  THUNDER BETWEEN 1130-1200
May-09	64	11:08	60	23:59	4	62.0	-7.0	59	2	2	0.26	0.26	0.09			1305	1415	May-09			21	11	1239	100	91	30.00	29.86	29.93	0.02	29.90	21			SOUTH	AVE.	0400	May-09	THUNDERSTORM BETWEEN 1200-1300 - FOG IN AM -23 YR. RECORD LOW TEMP. RANGE FOR DATE
May-10	71	13:35	59	2:43	12	65.0	3.0	59	2	2	0.48	0.25	0.07			0810	1140	May-10	1450	1605	17	8	0718	100	90	29.99	29.76	29.88	-0.05	29.95	11			SOUTH	AVE.		May-10	THUNDERSTORM BETWEEN 0800-0900 AGAIN TODAY AND FOG IN MORNING
May-11	83	16:53	64	5:35	19	73.5	8.5	59	2	1	0.01	0.01	T			0300	0305	May-11			21	12	1537	100	62	29.82	29.49	29.66	-0.22	29.75	11			WEST	STRONG	1700	May-11	HEAVY FOG IN EARLY AM-WARMEST NIGHT FOR DATE IN LAST 23 YRS
May-12	70	0:01	57	23:57	13	63.5	-10.0	60	2	2	T	T	T			1850	1900	May-12			94	25	1937	81	37	29.75	29.56	29.66	0.00	29.68	8	NJC	EAST				May-12	2 LOW PRESSURES ONE OVER LAKE HURON AND THE OTHER OVER NJ TOGETHER FORMING A LARGE WHIRLPOOL OF CLOUDS AND COOL AIR
May-13	66	18:06	54	23:59	12	60.0	-3.5	59	2	1								May-13			120	33	1341	70	33	29.88	29.73	29.81	0.15		8	NY	EAST				May-13	SLOW MOVING LP-MAX. WIND SPEED WAS 33 MPH AT 1341 FROM WEST
May-14	75	17:39	47	6:30	28	61.0	1.0	58	0	0								May-14			46	20	1222	87	27	30.03	29.88	29.96	0.15		9	GA	NE				May-14	FIRST COMPLETELY CLEAR DAY OF MONTH SO FAR
May-15	74	15:54	54	3:34	20	64.0	3.0	59	2	2	0.31	0.31				1658	2245	May-15			52	18	1638	100	55	30.06	29.95	30.01	0.05	29.98	8	IN	EAST				May-15	THUNDERSTORM BETWEEN 1620-1710 WITH SOME LIGHTNING TO 2030
May-16	60	6:50	51	23:26	9	55.5	-8.5	59	2	2	0.83	0.83	0.04			0020	0905	May-16	1515	1800	86	22	1505	100	94	30.28	29.99	30.14	0.13	30.01	8	OH	ESE				May-16	HEAVY RAINS TO OUR WEST -4 INS. IN PARTS OF LOUDOUN AND FREDERICK COUNTIES-3RD RAIN PD. HERE TODAY BET. 1950-2120 - THUNDER OBS.
May-17	51	0:43	47	6:51	4	49.0	-6.5	58	2	2	0.11	0.11	0.01			0050	0200	May-17	0515	0600	62	15	0939	100	92	30.36	30.25	30.31	0.17	30.29	9	ME	STAT.				May-17	HIGH PRESSURE IN NE CAUSING EASTERLY WINDS AND COOL AIR DAMMING ALONG EAST COAST. NEW 23 YR. REC. LOW MAX. TEMP. FOR DATE
May-18	54	18:32	48	5:58	6	51.0	2.0	57	2	2	0.40	0.13	0.02			0330	0925	May-18	1040	1055	29	10	1158	100	83	30.36	30.28	30.32	0.02	30.30	9	VT	STAT.				May-18	NEW 23 YR. REC. LOW MAX. TEMP. FOR DATE AND ALSO A RECORD LOW TEMPERATURE RANGE FOR THE DATE
May-19	73	15:59	44	6:31	29	58.5	7.5	56	0	0								May-19			30	13	1220	99	50	30.35	30.30	30.33	0.01		9	NY	SE				May-19	A FEW SCATTERED FAIR WEATHER CUMULUS IN THE AFTERNOON
May-20	76	15:55	46	6:26	30	61.0	2.5	58	0	2								May-20			12	8	1235	98	33	30.32	30.14	30.23	-0.10		9R	MD-MA	NE				May-20	SOME CIRRUS BEFORE NOON BUT THIN AND SCATTERED BUT BECAME THICKER  AND COVERING MOST OF THE AFTERNOON SKY
May-21	61	0:01	54	23:45	7	57.5	-3.5	59	2	2	0.70	0.17	0.03			0755	1810	May-21	1950	2355	12	13	1558	100	54	30.20	30.07	30.14	-0.10	30.13	11			NW	AVE.	1500	May-21	
May-22	59	17:07	53	6:20	6	56.0	-1.5	58	2	2	0.06	0.05	0.01			2150	2315	May-22			20	9	0820	100	88	30.22	30.16	30.19	0.05	30.21	23, 24			WEST	WEAK	0730	May-22	ALSO THE COLD FRONT THAT PAST YESTERDAY IS NOW OVER THE SE COAST OF VA -- 23 YR. RECORD LOW TEMP RANGE FOR DATE
May-23	56	15:07	53	6:43	3	54.5	-1.5	57	2	2	0.21	0.05	0.01			1045	1330	May-23	1540	2250	45	13	1702	100	96	30.20	30.02	30.11	-0.08	30.18	8	GAC	NE				May-23	VERY HIGH REL. HUMIDITY ALL DAY, DAMP AND CLOUDY BUT VERY LITTLE RAIN--23 YR. REC. LOW MAX. FOR DATE & ALSO 23 YR. REC. LOW TEMP.
May-24	66	16:55	55	6:41	11	60.5	6.0	58	2	2	0.05	0.03	0.01			0445	0635	May-24			15	10	0233	100	83	30.02	29.93	29.98	-0.13	29.97	8	VAC	NORTH				May-24	VERY SLOW MOVING COASTAL LOW PRESSURE TODAY BUT A RARE  FEW MINUTES OF SUN AROUND 1740
May-25	67	14:50	58	3:10	9	62.5	2.0	58	2	2	0.06	0.02	0.01			0130	0150	May-25	0920	1130	22	10	1445	100	86	30.01	29.95	29.98	0.00	29.97	23			WEST	AVE.	1000	May-25	3RD PD. OF RAIN 1835-2000, 4TH PD. OF RAIN 2115-2155
May-26	71	15:20	57	7:15	14	64.0	1.5	59	2	1	1.11	0.30	0.05			0017	0800	May-26			30	14	1444	100	65	29.95	29.87	29.91	-0.07	29.95	9	VA	NE				May-26	FIRST DAY WITH ANY REAL AMOUNT OF SUN SINCE 20TH -A NEW 23 YR. REC. PRECIP. AMT. FOR DATE - OLD REC. FOR DATE WAS 1.05 INS.
May-27	62	12:36	54	23:59	8	58.0	-6.0	59	2	2	0.05	0.03	0.01			1310	1600	May-27			8	7	0918	100	84	30.09	29.98	30.04	0.13	30.05	8	SC	NE				May-27	WIND RUN TODAY  WAS 8 MILES THE LOWEST SINCE 1/5/03 WHEN IT WAS 6 MILES
May-28	67	18:38	54	0:23	13	60.5	2.5	59	2	1	0.21	0.21	0.05			0903	1010	May-28			23	18	1537	100	56	29.98	29.79	29.89	-0.15	29.89	8	VAC	NE				May-28	TODAY WAS THE 21ST DAY WITH MEASURABLE PRECIP. - OLD REC. FOR MAY WAS ONLY 16
May-29	69	13:08	54	0:37	15	61.5	1.0	59	2	2	0.09	0.05	0.01			1400	1650	May-29			6	7	1102	100	66	29.79	29.63	29.71	-0.17	29.67	8	OH	EAST				May-29	TODAY WAS THE 22ND DAY WITH MEASURABLE PRECIP.- THE MOST FOR ANY MONTH REC. AT THIS STATION (RECORDS START IN SEPT. 1979) 
May-30	81	16:14	54	6:18	27	67.5	6.0	60	0	0								May-30			49	15	0852	100	35	29.70	29.62	29.66	-0.05		9	IL	EAST				May-30	FEW CUMULUS IN AFTERNOON SKY AND FEW CIRRUS IN MORNING SKY BUT STILL MAINLY CLEAR FOR 3RD DAY OF THIS MONTH
May-31	71	12:58	61	5:44	10	66.0	-1.5	61	2	2	0.95	0.85	0.30			0955	1015	May-31	1800	1945	22	17	2353	100	66	29.67	29.36	29.52	-0.15	29.67	8, 11	OH	EAST	WEST	AVE.	1915	May-31	THUNDERSTORM 1800-1915 --RAINBOW SEEN FROM 1910 TO 1921 --MAX. RAIN RATE 3.50 INCHES PER HOUR -POWER OFF FOR ABOUT 2 .5 HRS. - NEW
TOTAL	2108.0	1718	1670.0	26589	438.0	1889.0	1.5	1801.0	53.0	44.0	7.09	4.49	1.11	0.0	0.0	MAX.	TEMPS	  MIN. 	TEMP	TOT.	1026	444	41996	3008	1969	931.47	926.60	929.04	-0.54	719.63				EXTREMES		DATES	DATE	EXTENSION OF LENGTHY DAILY REMARKS
NUM	31	31	31	31	31	31	31	31	31	31	23	23	20	0	0	>=95	0	<=75	31	NUM.	31	31	31	31	31	31	31	31	31	24	WX.	FEAT.		MAX.	TEMP.	5-11	May-07	THUNDERSTORM BETWEEN 1800-1900
AVE.	68.00	13:58	53.87	8:47	14.13	60.94	0.05	58.10	1.71	1.42	0.31	0.20	0.06	0.00	0.00	>=85	0	<=70	31	AVE.	33.10	14.32	 	97.03	63.52	30.05	29.89	29.97	-0.02	29.98	LOW 	PR.=	12	MIN.	TEMP.	5-19		
MAX. 	83	18:38	64	23:59	30	73.5	10.0	CLEAR	4	6	1.11	0.85	0.30	0.0	0	>=80	3	<=65	31	MAX. 	120	33	    	100	96	30.36	30.30	30.33	0.19	30.30	HIGH	PR.=	6	MAX.	MEAN	5-11	May-17	AND ALSO TIES LOWEST MAX. TEMP. (51°F) EVER REC. FOR MONTH OF MAY. THE OLD RECORDS WERE SET MAY 2, 1995, MAY 7, 1996
MIN.	51	0:01	44	0:01	3	49.0	-10.5	P.CLO.	1	6	>= 1.00	INCH				>=75	8	<=60	28	MIN.	6	7	    	70	27	29.67	29.36	29.52	-0.22	29.67	ELONG	HP.=	1	MIN.	MEAN	5-17		BUT NEVER THIS LATE INTO THE MONTH OF MAY! TODAY ALSO HAD A 23-YEAR RECORD LOW TEMPERATURE.
>=90°	0	<=32°	0					CLO.	26	19	1	DAYS				>=70	14	<=55	21	MERI	23	13	1422	100	62	30.02	29.89	29.96	-0.05	29.98	COLD	FRO.=	6	MAX.	PREC.	5-26		
DATE OF	5-11	DATE OF	5-19	DATE OF	5-11	DATE OF	5-17			DATE	5-26					>=65	21	<=50	6		DATE	5-13	1341		DATE	5-17	5-31				WARM	FRO.=	4	MAX. 	GUST	5-13	May-23	RANGE FOR DATE
MAX.		MIN.		HOTTEST		COOLEST				MAX.						>=60	26	<=45	1		MAX.				MAX.						STAT.	FRO.=	1	MAX.	BAR.	5-17		
TEMP.		TEMP.		DAY		DAY				PREC.						>=55	28	<=40	0		WIND				BAR.	5-18					ALL 	HPS.=	7	MIN.	BAR.	5-31	May-31	23-YEAR MAXIMUM PRECIPITATION RECORD FOR THE DATE AND ALSO A NEW 23 -YEAR LOW TEMPERATURE RANGE FOR THE DATE