PAGE #1		MAY	2006	Annandale - Barcroft Hills Weather Center  38° 50' 26" N   77° 09' 58" W  Stat. # 21517  Koontz														PAGE #2		MAY	2006	Annandale - Barcroft Hills Weather Center  38° 50' 26" N   77° 09' 58" W  Stat. # 21517  Koontz																Annandale - Barcroft Hills Weather Center  38° 50' 26" N   77° 09' 58" W  Stat. # 21517  Koontz
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2006	TEMP.	TIME	TEMP.	TIME	TEMP.	TEMP. 	MEAN	SOIL	SKY	SKY	PRECIP	MAX.1HR	MAX.5M	FROZ.	SNOW ON	START	END	2006	START	END	WIND  	MAX.	TIME	MAX.	MIN.	MAX.	MIN.	AVE.	BAR.	BAR.&	MAP	FEAT.	HP.LP.	FRONT	FRONT	FRONT 	2006	May-2006
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	70	18:03	42	6:22	28	56.0	2.5	56	0	0								May-01			33.5	19	1305	83	25	30.34	30.19	30.27	-0.12		9	NB	NE				May-01	ANOTHER BEAUTIFUL SPRING DAY
May-02	80	17:40	44	6:43	36	62.0	6.0	56	0	0								May-02			22.7	16	1127	93	21	30.19	29.85	30.02	-0.24		9	NC	WEST				May-02	HEAVY DEW-CLEAR ALL DAY TILL 1820 THEN CLOUDS STARTED TO COME IN AND CLOUDY BY SUNSET-NEW 26 YR. REC. TEMP. RANGE FOR DATE OF 36°F
May-03	76	17:53	58	6:39	18	67.0	5.0	56	1	1								May-03			44.9	24	1803	81	45	29.91	29.83	29.87	-0.15		9	TN	NE				May-03	NO DEW-BREEZY DURING AFTERNOON
May-04	83	17:20	55	6:03	28	69.0	2.0	57	0	0	T	T	T			2127	2133	May-04			30.0	16	1402	87	28	29.98	29.80	29.89	0.02	29.82	9	WV	SOUTH				May-04	IT HAS BEEN 7 DAYS SINCE LAST MEASURABLE RAINFALL
May-05	80	12:23	63	3:08	17	71.5	2.5	58	2	2	T	T	T			1630	1645	May-05			13.7	12	1426	84	40	29.83	29.75	29.79	-0.10	29.80	11			NW	WEAK	1200	May-05	WEAK COLD FRONT OVER OUR AREA AT 0730-CLOUDY MOST OF DAY WITH AFTERNOON SPRINKLE
May-06	79	15:40	57	23:59	22	68.0	-3.5	59	1	0								May-06			65.6	23	1424	91	32	30.00	29.73	29.87	0.08		9	IA	SOUTH				May-06	YESTERDAY'S CF STILL 50-75 MILES EAST OF ANNANDALE-PC FROM 0650-1040
May-07	66	13:49	47	6:19	19	56.5	-11.5	59	1	2	0.15	0.07	0.01			1755	2400	May-07			24.8	15	0903	95	30	30.16	30.00	30.08	0.21	30.08	9	NY	EAST				May-07	HIGH PRESSURE OVER NY TRACKING OFF NE COAST TURNING THE WIND INTO E AND NE FLOW DURING THE DAY
May-08	53	15:03	48	8:51	5	50.5	-6.0	59	2	2	0.12	0.04	0.01			0001	0100	May-08	0408	0610	8.5	10	1644	97	88	30.12	30.06	30.09	0.01	30.10	8	NCC	ENE				May-08	DRIZZLE FROM 0710-1350 THEN ONLY EXTREMELY LIGHT DRIZZLE AND VERY DARK DAY-NEW 26 YR. REC. MIN. TEMP. RANGE OF ONLY 5°F AND NEW 26 YR.
May-09	71	17:11	49	6:11	22	60.0	9.5	58	2	0								May-09			13.0	14	1454	94	34	30.10	29.92	30.01	-0.08		9	PA	EAST				May-09	LOW PRESSURE OFF VA WAS THE CAUSE OF AM CLOUDS THEN CLEARING AROUND NOON THAT LASTED REST OF DAY
May-10	80	17:19	48	6:11	32	64.0	4.0	58	0	0								May-10			13.9	14	0330	89	30	29.93	29.79	29.86	-0.15		9	NC	EAST				May-10	BEAUTIFUL SPRING DAY
May-11	67	12:53	56	23:59	11	61.5	-2.5	59	2	2	0.64	0.32	0.06			0803	1040	May-11	1430	1650	52.8	22	1937	99	74	29.81	29.49	29.65	-0.21	29.76	11			WEST	STRONG	1915	May-11	3RD PD. OF RAIN 1850-2150 AND THUNDER OCCURRED BETWEEN 1820-1950 THEN 4TH PD. OF RAIN 2220-2310
May-12	72	16:08	48	6:07	24	60.0	-1.5	59	0	1	T	T	T			2130	2140	May-12	2350	2400	15.5	22	2337	100	46	29.81	29.64	29.73	0.08	29.76	8	MI	STAT.				May-12	VERY LIGHT EARLY AM FOG-CLEAR UNTIL 1330 THEN INCREASING CLOUDS UNTIL SUNSET
May-13	74	16:59	52	6:26	22	63.0	3.0	60	1	2	0.12	0.12	0.04			0001	0050	May-13	1355	1400	12.9	11	0823	98	48	29.89	29.77	29.83	0.10	29.84	8	MI	SE				May-13	PC IN AM WITH SUNLIGHT THROUGH CIRRUS THEN BECAME CLOUDY FOR PM
May-14	63	13:56	56	16:31	7	59.5	-3.5	60	2	2	0.39	0.33	0.05			1219	1238	May-14	1530	1700	54.9	19	1535	99	76	29.94	29.87	29.91	0.08	29.90	8	OH	STAT.				May-14	THUNDERSHOWER FROM 1530-1630 BUT CLOSEST WAS ABOUT 1.5 MILES-TIED 26 YR. REC. MIN. TEMP. RANGE FOR DATE
May-15	71	14:16	55	22:03	16	63.0	3.5	60	2	1	0.09	0.04	0.01			0206	1710	May-15			36.8	15	0041	98	48	29.89	29.79	29.84	-0.07	29.88	8	OH	EAST				May-15	DRIZZLE AND VERY LIGHT RAIN FROM 0206-ABOUT 0700 BUT BECAME CLEAR BY SUNSET
May-16	67	12:24	52	6:38	15	59.5	-3.5	60	1	2	T	T	T			0110	0120	May-16			38.2	16	0945	88	47	29.81	29.69	29.75	-0.09	29.78	8	NJ	NE				May-16	SUNNY IN EARLY AM BUT BECAME PC THEN CLOUDY IN PM
May-17	72	16:04	49	5:26	23	60.5	1.0	60	1	2	0.04	0.04	0.03			1737	1915	May-17			23.5	18	1209	97	47	29.72	29.58	29.65	-0.10	29.60	8	ON	NE				May-17	THUNDERSHOWER FROM 1700-1830-2 STRIKES CLOSE ENOUGH TO BE RECORDED ON TAPE
May-18	74	16:10	51	6:02	23	62.5	2.0	60	1	1	0.03	0.03	0.03			1406	1412	May-18	1520	1530	22.9	19	1644	98	34	29.58	29.47	29.53	-0.13	29.49	11	 		NW	AVE.		May-18	THUNDER HEARD TWICE DURING DAY
May-19	63	15:44	49	6:27	14	56.0	-6.5	61	1	2	0.05	0.04	0.01			0032	0037	May-19	0130	0140	54.5	21	0321	94	48	29.78	29.57	29.68	0.15	29.50	11, 8	VAC	NE	NW	AVE.	0100	May-19	3RD PD. OF PRECIP. 0420-0510, 4TH PD. 1235-1240-VERY COOL MAY DAY
May-20	76	16:25	53	3:07	23	64.5	8.5	61	1	0	T	T	T			0325	0335	May-20	0500	0505	47.6	23	1815	90	31	29.85	29.69	29.77	0.10	29.70	8, 9	QU	NE				May-20	STARTED TO CLEAR AROUND 0930 AND BECAME BEAUTIFUL BREEZY SPRING DAY
May-21	76	15:49	47	5:38	29	61.5	-3.0	61	0	1								May-21			46.3	31	1752	85	36	29.89	29.69	29.79	0.02		11			NW	STRONG	1500	May-21	VERY CLEAR DURING AM BUT CLOUDED UP IN EARLY PM WITH COLD FRONTAL PASSAGE THEN BECAME WINDY
May-22	71	17:03	46	5:50	25	58.5	-3.0	61	0	1								May-22			68.2	25	0708	76	34	30.05	29.89	29.97	0.18		9	WS	EAST				May-22	VERY WINDY COOL AM BUT PLEASANT AND NOT AS WINDY PM AND MOSTLY CLEAR -JUST A FEW CIRRUS AND CUMULUS CLOUDS DURING PM
May-23	70	16:40	45	6:03	25	57.5	-1.0	61	0	0								May-23			64.1	22	0855	74	32	30.17	30.05	30.11	0.14		9	MI	SOUTH				May-23	VERY CLEAR COOL SPRING DAY-TIED REC. LOW MIN. TEMP. FOR DATE
May-24	77	18:05	47	5:53	30	62.0	4.5	61	0	1								May-24			35.2	18	1351	83	27	30.14	29.98	30.06	-0.05		9	WV	SE				May-24	26 YR. REC. LOW MIN. TEMP. OF 47°F-OLD REC. WAS 51°F IN 1997-SCATTERED CIRRUS BUT PC DURING PM WITH CIRRUS
May-25	79	17:40	57	4:38	22	68.0	6.0	62	2	1	T	T	T			1216	1220	May-25	1240	1243	9.3	11	1538	90	53	30.00	29.76	29.88	-0.18	29.90	9	 NC	SE				May-25	SKY CLEARED BY 1610 BUT AVERAGE CLOUDINESS DURING PM RAN AROUND 65% CLOUDY IN OTHER WORDS ALMOST CLOUDY
May-26	82	13:03	63	2:35	19	72.5	4.5	62	2	2	0.31	0.30	0.15			1628	2400	May-26			4.5	16	1634	98	59	29.76	29.62	29.69	-0.19	29.67	11			WEST	WEAK		May-26	HIGHEST DEW POINT FOR YEAR 70°F-THUNDERSTORM 1635-1645-LIGHT SPRINKLES OCCURRED FROM 1700-MIDNIGHT WITH ONLY 0.02 INS. IN THAT PERIOD
May-27	83	17:03	64	5:50	19	73.5	1.0	63	1	1	T	T	T			1149	1155	May-27			34.7	16	0858	98	51	30.01	29.65	29.83	0.14	29.86	11, 9	IN 	EAST	WEST	WEAK	0700	May-27	CLOUDS FROM COLD FRONT FROM 0950-1410 AND LIGHT SPRINKLE AT 1150
May-28	89	16:23	62	5:44	27	75.5	2.0	64	0	0								May-28			11.1	10	1204	95	40	30.15	30.01	30.08	0.25		9	WV	NE				May-28	CLEAR ALL DAY EXCEPT FROM 1320-1610 WHEN IT WAS SCATTERED TO PC SKIES-WARMEST DAY SINCE 8/22/05 WHEN IT WAS 91°F-REC. HIGH MAX. TEMP.
May-29	92	16:44	63	5:45	29	77.5	2.0	65	0	0								May-29			10.3	11	1650	96	42	30.17	30.06	30.12	0.04		9	VA 	SE				May-29	TIED 26 YR REC. MAX. TEMP. FOR DATE AND WAS WARMEST DAY SINCE 8//14/05 WHEN IT WAS 94°F
May-30	96	15:59	67	5:47	29	81.5	4.0	67	0	1								May-30			14.4	11	1251	90	43	30.10	30.02	30.06	-0.05		9R	NC-PA	EAST				May-30	THE MAXIMUM TEMP. TODAY WAS 96 °F, A NEW 26 YEAR HIGH MAXIMUM TEMP. RECORD FOR THE DATE; THE OLD RECORD WAS 95 °F IN 1991.
May-31	90	17:17	69	6:07	21	79.5	-2.0	68	0	1								May-31			21.4	14	0922	91	51	30.18	30.06	30.12	0.06		9	MD	EAST				May-31	THE  THIRD 90 °F DAY IN A ROW AND ONLY 3 °F FROM BEING A 26-YEAR RECORD FOR THE DATE - ALSO THE SECOND DRIEST SPRING ON RECORD.

TOTAL	2342.0	1718	1662.0	23702	680.0	2002.0	26.0	1871.0	26.0	31.0	1.94	1.33	0.40	0.0	0.0	MAX.	TEMPS	  MIN. 	TEMP	TOT.	949.7	534	 	2831	1340	929.26	924.27	926.77	-0.26	506.44				EXTREMES		DATES	DATE	EXTENSION OF LENGTHY DAILY REMARKS
NUM	31	31	31	31	31	31	31	31	31	31	10	10	10	0	0	>=95	1	<=75	31	NUM.	31	31	31	31	31	31	31	31	31	17	WX.	FEAT.		MAX.	TEMP.	5-30	May-02	OLD REC. WAS 34°F IN 1992
AVE.	75.55	15:58	53.61	7:50	21.94	64.58	0.84	60.35	0.84	1.00	0.19	0.13	0.04	0.00	0.00	>=85	4	<=70	31	AVE.	30.64	17.23	 	91.32	43.23	29.98	29.82	29.90	-0.01	29.79	LOW 	PR.=	8	MIN.	TEMP.	5-01	May-08	REC. LOW MAX. TEMP. OF 53°F FOR DATE-OLD REC. WAS 55°F IN 1992
MAX. 	96	18:05	69	23:59	36	81.5	9.5	CLEAR	13	10	24 Hr.	0.33	0.15	0.0	0	>=80	10	<=65	29	MAX. 	68.2	31		100	88	30.34	30.19	30.27	0.25	30.10	HIGH	PR.=	17	MAX.	MEAN	5-30	May-28	OF 89°F-OLD REC. WAS 88°F IN 1993
MIN.	53	12:23	42	2:35	5	50.5	-11.5	P.CLO.	10	11	0.64	>= 1.00	>= 2.00	Inches	THUNDER	>=75	16	<=60	24	MIN.	4.5	10		74	21	29.58	29.47	29.53	-0.24	29.49	ELONG	HP.=	1	MIN.	MEAN	5-08	May-30	TODAY WAS THE WARMEST DAY OF 2006 WITH A MAXIMUM OF 95.5 ° F (96) THE HIGHEST TEMPERATURE HERE SINCE JULY 27, 2005 WHEN IT WAS 98 ° F  
 	>=90°	3	<=32°	0				CLO.	8	10	0.64	0	0	Days	5	>=70	25	<=55	19	MERI	25	16	1351	93	42	29.98	29.79	29.87	0.01	29.80	COLD	FRO.=	5	MAX.	PREC.	5-11		WHICH THE HIGHEST TEMPERATURE FOR LAST SUMMER.
DATE OF	5-30	DATE OF	5-01	DATE OF	5-30	DATE OF	5-08			DATE	5-11					>=65	28	<=50	13		DATE	5-21	1752		DATE	5-01	5-18				WARM	FRO.=	0	MAX. 	GUST	5-21		
MAX.		MIN.		HOTTEST		COOLEST				MAX.						>=60	30	<=45	3		MAX.				MAX.						STAT.	FRO.=	0	MAX.	BAR.	5-01		
TEMP.		TEMP.		DAY		DAY				PREC.						>=55	30	<=40	0		WIND				BAR.						ALL 	HPS.=	18	MIN.	BAR.	5-18