384  
FOUS51 KLWX 172337  
PFMLWX  
 
POINT FORECAST MATRICES  
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC  
737 PM EDT FRI AUG 17 2018  
 
VAZ054-180900-  
REAGAN NATIONAL AIRPORT-ARLINGTON VA  
38.86N 77.03W ELEV. 66 FT  
737 PM EDT FRI AUG 17 2018  
 
DATE 08/17/18 SAT 08/18/18 SUN 08/19/18 MON  
EDT 3HRLY 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08  
UTC 3HRLY 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12  
 
MIN/MAX 74 88 71 83 69  
TEMP 83 78 75 74 75 84 87 86 81 77 75 73 74 79 82 82 77 74 72 71 72  
DEWPT 73 73 73 72 72 72 71 71 72 72 71 70 70 70 71 70 71 70 69 68 68  
RH 72 85 94 93 90 67 59 61 74 85 87 90 87 74 69 67 82 87 90 90 87  
WIND DIR SW SW SW SW SW W W W W W W NW N N N NE NE NE NE NE NE  
WIND SPD 10 8 6 6 6 8 9 9 6 4 2 5 4 8 6 8 6 6 3 5 3  
WIND GUST 20 20 20 20 20  
CLOUDS B2 B2 B2 B2 OV OV OV OV OV OV B2 OV B2 B2 B1 B2 B1 B2 B1 B1 B1  
POP 12HR 50 60 50 50 20  
QPF 12HR 0.12 0.30 0.22 0.16 0  
SNOW 12HR 00-00 00-00 00-00  
RAIN SHWRS C C C C C C L L C C C C C C C C S S  
TSTMS C C S S S S C C C C S S S S C C S S  
HEAT INDEX 89 90 93 91 85 86 86  
MAX HEAT 92 86 93 93 86 86  
 
DATE 08/20 TUE 08/21/18 WED 08/22/18 THU 08/23/18 FRI 08/24/18  
EDT 6HRLY 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20  
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MAX/MIN 83 70 84 72 85 66 81 66 83  
TEMP 82 78 73 73 83 79 75 75 84 77 70 70 80 75 69 70 82 77  
DEWPT 70 71 69 70 73 74 72 70 68 67 65 63 63 64 64 64 65 68  
PWIND DIR E SE S SW W NW N NE E  
WIND CHAR LT LT LT LT LT LT LT LT LT  
AVG CLOUDS B1 B1 B1 B1 B2 B2 B2 B1 SC SC SC SC SC SC SC SC SC SC  
POP 12HR 10 10 50 70 40 10 10 10 20  
RAIN SHWRS C C L L C C S S  
TSTMS C C S S C C S S  
 

 
MDZ013-180900-  
BALTIMORE/WASHINGTON AIRPORT-ANNE ARUNDEL MD  
39.19N 76.67W ELEV. 154 FT  
737 PM EDT FRI AUG 17 2018  
 
DATE 08/17/18 SAT 08/18/18 SUN 08/19/18 MON  
EDT 3HRLY 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08  
UTC 3HRLY 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12  
 
MIN/MAX 74 88 71 83 68  
TEMP 83 78 76 74 75 84 87 86 81 77 75 73 74 79 82 82 77 73 71 70 71  
DEWPT 74 73 73 72 72 73 72 72 73 72 71 70 70 70 71 71 70 69 68 67 67  
RH 74 85 90 93 90 70 61 63 77 85 87 90 87 74 69 69 79 87 90 90 87  
WIND DIR SW SW SW SW W W W W W W NW N N N N NE NE NE NE NE NE  
WIND SPD 6 5 3 3 4 6 8 6 4 4 2 4 3 6 6 8 5 6 3 6 4  
CLOUDS OV B2 B2 B2 OV OV OV OV OV OV B2 OV B2 B2 B1 OV B2 B2 B1 B2 B1  
POP 12HR 50 60 50 50 20  
QPF 12HR 0.15 0.17 0.16 0.15 0.01  
SNOW 12HR 00-00 00-00 00-00  
RAIN SHWRS C C C C C C L L C C C C C C C C S S  
TSTMS C C S S S S C C C C S S S S C C S S  
HEAT INDEX 90 90 94 92 86 86 86  
MAX HEAT 93 86 94 94 86 86  
 
DATE 08/20 TUE 08/21/18 WED 08/22/18 THU 08/23/18 FRI 08/24/18  
EDT 6HRLY 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20  
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MAX/MIN 82 69 84 71 85 65 81 65 84  
TEMP 81 77 72 73 83 79 74 74 84 77 69 69 80 74 68 70 82 77  
DEWPT 69 70 68 69 73 73 72 70 69 67 64 63 63 63 63 64 65 68  
PWIND DIR NE SE SE SW W NW N NE E  
WIND CHAR LT LT LT LT LT LT LT LT LT  
AVG CLOUDS B1 B1 SC B1 B1 B2 B2 B1 B1 SC SC SC SC SC SC SC SC SC  
POP 12HR 10 10 50 70 40 10 10 10 20  
RAIN SHWRS C C L L C C S S  
TSTMS C C S S C C S S  
 

 
MDZ011-180900-  
BALTIMORE INNER HARBOR-BALTIMORE CITY MD  
39.28N 76.61W ELEV. 20 FT  
737 PM EDT FRI AUG 17 2018  
 
DATE 08/17/18 SAT 08/18/18 SUN 08/19/18 MON  
EDT 3HRLY 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08  
UTC 3HRLY 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12  
 
MIN/MAX 74 88 71 83 69  
TEMP 82 78 75 74 75 84 87 86 81 77 75 73 74 79 82 82 77 74 72 71 71  
DEWPT 74 73 73 72 72 72 72 72 73 72 71 70 69 70 71 70 70 70 69 68 68  
RH 77 85 94 93 90 67 61 63 77 85 87 90 84 74 69 67 79 87 90 90 90  
WIND DIR SW SW SW W W W W W W NW NW N N N N NE NE NE NE NE NE  
WIND SPD 6 3 3 3 4 6 8 6 4 3 2 4 3 6 6 6 5 6 3 5 3  
CLOUDS OV B2 B2 B2 OV B2 OV OV OV OV B2 OV B2 B2 B2 OV B2 B2 B1 B2 B1  
POP 12HR 60 60 50 50 20  
QPF 12HR 0.16 0.17 0.16 0.15 0.01  
SNOW 12HR 00-00 00-00 00-00  
RAIN SHWRS L C C C C C L L C C C C C C C C S S  
TSTMS C C S S S S C C C C S S S S C C S S  
OBVIS PF PF PF PF  
HEAT INDEX 88 90 94 92 86 86 86  
MAX HEAT 92 84 94 94 86 86  
 
DATE 08/20 TUE 08/21/18 WED 08/22/18 THU 08/23/18 FRI 08/24/18  
EDT 6HRLY 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20  
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MAX/MIN 82 70 84 72 85 67 82 67 84  
TEMP 81 77 73 73 83 79 75 75 84 78 71 71 81 76 70 71 83 77  
DEWPT 69 70 69 69 73 73 72 70 69 67 65 63 63 63 63 64 65 67  
PWIND DIR NE SE SE SW W NW N NE SE  
WIND CHAR LT LT LT LT LT LT LT LT LT  
AVG CLOUDS B1 B1 B1 B1 B1 B2 B2 B1 B1 SC SC SC SC SC SC SC SC SC  
POP 12HR 10 10 50 70 40 10 10 10 20  
RAIN SHWRS C C L L C C S S  
TSTMS C C S S C C S S  
 

 
WVZ052-180900-  
MARTINSBURG AIRPORT-BERKELEY WV  
39.41N 77.98W ELEV. 558 FT  
737 PM EDT FRI AUG 17 2018  
 
DATE 08/17/18 SAT 08/18/18 SUN 08/19/18 MON  
EDT 3HRLY 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08  
UTC 3HRLY 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12  
 
MIN/MAX 70 84 67 82 66  
TEMP 80 74 72 71 71 80 83 82 77 73 71 69 71 78 81 80 75 71 69 68 69  
DEWPT 73 71 70 69 70 71 72 72 71 69 68 67 67 69 70 70 69 67 66 65 66  
RH 79 90 93 93 97 74 70 72 82 87 90 93 87 74 69 72 82 87 90 90 90  
WIND DIR SW SW SW SW SW W W W NW NW N N N N N NE NE NE N NE NE  
WIND SPD 6 4 3 3 3 6 8 6 4 3 2 4 3 5 5 6 3 4 2 3 2  
CLOUDS B2 OV OV OV OV OV OV B2 OV OV B2 OV B2 B2 B1 B2 B1 B1 B1 B1 B1  
POP 12HR 40 60 50 40 20  
QPF 12HR 0 0.25 0.13 0.08 0  
SNOW 12HR 00-00 00-00 00-00  
RAIN SHWRS C C C C C C L L C C C C C C C C S S S S  
TSTMS C C S S S S C C C C S S S S C C S S  
OBVIS PF PF PF PF  
HEAT INDEX 84 83 88 87 85 83  
MAX HEAT 89 88 88 85 85  
 
DATE 08/20 TUE 08/21/18 WED 08/22/18 THU 08/23/18 FRI 08/24/18  
EDT 6HRLY 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20  
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MAX/MIN 82 68 82 68 82 62 79 62 82  
TEMP 81 76 71 71 81 76 71 71 81 74 66 66 78 72 66 67 80 75  
DEWPT 69 69 67 68 73 72 69 66 66 65 61 60 61 62 60 61 64 66  
PWIND DIR E SE S SW W NW N NE SE  
WIND CHAR LT LT LT LT LT LT LT LT LT  
AVG CLOUDS B1 B1 B1 B2 B2 B2 B2 B1 SC SC SC SC SC SC SC SC SC SC  
POP 12HR 10 20 70 70 40 10 10 10 20  
RAIN SHWRS S S L L L L C C S S  
TSTMS L L S S C C S S  
 

 
VAZ506-180900-  
WASHINGTON DULLES AIRPORT-LOUDOUN VA  
38.96N 77.45W ELEV. 321 FT  
737 PM EDT FRI AUG 17 2018  
 
DATE 08/17/18 SAT 08/18/18 SUN 08/19/18 MON  
EDT 3HRLY 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08  
UTC 3HRLY 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12  
 
MIN/MAX 72 87 69 83 67  
TEMP 81 77 74 72 74 83 86 85 80 75 73 71 72 79 82 81 76 72 70 69 70  
DEWPT 72 72 72 71 71 72 71 72 72 71 70 69 69 70 71 70 70 69 68 67 68  
RH 74 85 93 97 90 70 61 65 77 87 90 93 90 74 69 69 82 90 93 93 93  
WIND DIR SW SW SW SW SW W W W W W NW N N N N N NE NE N NE NE  
WIND SPD 6 5 3 3 4 6 6 8 5 3 2 4 4 6 6 6 4 5 2 4 3  
CLOUDS OV B2 B2 OV OV B2 OV OV OV OV B2 OV B2 B2 B1 B2 B1 B2 B1 B1 B1  
POP 12HR 50 60 50 50 20  
QPF 12HR 0.10 0.40 0.20 0.13 0  
SNOW 12HR 00-00 00-00 00-00  
RAIN SHWRS C C C C C C L L C C C C C C C C S S  
TSTMS C C S S S S C C C C S S S S C C S S  
OBVIS PF PF PF  
HEAT INDEX 85 88 91 91 84 86 85  
MAX HEAT 91 91 92 86 86  
 
DATE 08/20 TUE 08/21/18 WED 08/22/18 THU 08/23/18 FRI 08/24/18  
EDT 6HRLY 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20  
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MAX/MIN 83 69 84 70 84 64 80 64 83  
TEMP 82 77 72 73 83 78 73 73 83 76 68 68 79 73 67 69 81 76  
DEWPT 70 70 68 69 73 73 71 68 68 67 63 62 62 63 63 63 64 67  
PWIND DIR E SE S SW W NW N NE E  
WIND CHAR LT LT LT LT LT LT LT LT LT  
AVG CLOUDS B1 B1 B1 B1 B2 B2 B2 B1 SC SC SC SC SC SC SC SC SC SC  
POP 12HR 10 20 60 60 40 10 10 10 20  
RAIN SHWRS S S L L L L C C S S  
TSTMS L L S S C C S S  
 

 
VAZ037-180900-  
CHARLOTTESVILLE AIRPORT-ALBEMARLE VA  
38.14N 78.45W ELEV. 640 FT  
737 PM EDT FRI AUG 17 2018  
 
DATE 08/17/18 SAT 08/18/18 SUN 08/19/18 MON  
EDT 3HRLY 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08  
UTC 3HRLY 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12  
 
MIN/MAX 71 86 68 85 66  
TEMP 81 75 73 71 72 82 85 84 79 74 72 70 72 80 84 83 77 72 70 68 70  
DEWPT 72 71 71 70 70 71 71 71 71 70 69 68 68 70 71 71 70 68 67 66 67  
RH 74 87 93 97 93 69 63 65 77 87 90 93 87 72 65 67 79 87 90 93 90  
WIND DIR SW SW SW W SW SW SW SW SW SW W NW NW N N NE NE NE N N NE  
WIND SPD 6 4 3 3 3 5 6 6 4 3 2 2 2 3 3 4 3 3 1 3 2  
CLOUDS B2 B1 B2 B2 B2 OV OV OV OV OV B2 B2 B1 B1 B1 B2 B1 B2 B1 B2 B1  
POP 12HR 40 60 40 40 20  
QPF 12HR 0 0.41 0.12 0.17 0  
SNOW 12HR 00-00 00-00 00-00  
RAIN SHWRS C C C C C C L C C C C C C C C C S S S S S  
TSTMS C C S S S S C C C C S S S S C C S S S  
OBVIS PF PF PF PF  
HEAT INDEX 85 86 90 89 83 89 88  
MAX HEAT 90 90 90 89 89  
 
DATE 08/20 TUE 08/21/18 WED 08/22/18 THU 08/23/18 FRI 08/24/18  
EDT 6HRLY 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20  
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MAX/MIN 84 68 84 68 84 62 80 62 83  
TEMP 82 77 71 72 83 77 71 72 83 75 67 66 79 73 66 67 81 75  
DEWPT 70 71 69 69 73 73 69 67 66 66 63 61 62 64 62 62 65 67  
PWIND DIR E SE S SW W N NE NE E  
WIND CHAR LT LT LT LT LT LT LT LT LT  
AVG CLOUDS B1 B1 B1 B2 B2 B2 B1 B1 SC SC SC SC SC SC SC SC SC SC  
POP 12HR 20 30 70 50 40 10 10 10 30  
RAIN SHWRS S S C C L L C C C C C C  
TSTMS S S L L S S C C C C  
 

 
MDZ003-180900-  
HAGERSTOWN AIRPORT-WASHINGTON MD  
39.71N 77.73W ELEV. 705 FT  
737 PM EDT FRI AUG 17 2018  
 
DATE 08/17/18 SAT 08/18/18 SUN 08/19/18 MON  
EDT 3HRLY 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08  
UTC 3HRLY 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12  
 
MIN/MAX 70 83 67 81 66  
TEMP 78 75 72 71 71 79 82 81 76 72 70 69 70 77 80 80 75 71 69 68 69  
DEWPT 72 70 70 69 70 71 71 71 70 69 67 66 66 68 69 69 68 67 66 65 66  
RH 82 84 93 93 97 77 69 72 82 90 90 90 87 74 69 69 79 87 90 90 90  
WIND DIR SW SW SW SW SW W W W NW N N N N N N NE NE NE NE NE NE  
WIND SPD 6 5 4 3 4 8 8 6 4 4 3 5 4 6 5 6 3 4 2 3 2  
CLOUDS B2 OV OV OV OV OV OV OV OV B2 B2 B2 B2 B2 B1 B2 B1 B2 B1 B2 B1  
POP 12HR 40 60 50 40 20  
QPF 12HR 0 0.28 0.12 0.04 0  
SNOW 12HR 00-00 00-00 00-00  
RAIN SHWRS C C C C C C L L C C C C C C C C S S S S  
TSTMS C C S S S S C C C C S S S S C C S S  
OBVIS PF PF PF PF PF  
HEAT INDEX 86 85 83 83  
MAX HEAT 84 86 86 83 83  
 
DATE 08/20 TUE 08/21/18 WED 08/22/18 THU 08/23/18 FRI 08/24/18  
EDT 6HRLY 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20  
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MAX/MIN 80 68 81 67 81 61 78 62 81  
TEMP 79 75 71 71 80 75 70 70 80 73 65 65 77 71 65 67 79 74  
DEWPT 68 68 67 67 71 72 69 67 66 64 61 60 60 61 59 61 63 65  
PWIND DIR E SE S SW W NW N NE SE  
WIND CHAR LT LT LT LT LT LT LT LT LT  
AVG CLOUDS B1 B1 B1 B2 B2 B2 B2 B1 SC SC SC SC SC SC SC SC SC SC  
POP 12HR 10 20 70 70 40 10 10 10 20  
RAIN SHWRS S S L L L L C C S S  
TSTMS L L S S C C S S  
 

 
MDZ017-180900-  
PATUXENT RIVER NAS MD  
38.29N 76.41W ELEV. 39 FT  
737 PM EDT FRI AUG 17 2018  
 
DATE 08/17/18 SAT 08/18/18 SUN 08/19/18 MON  
EDT 3HRLY 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08  
UTC 3HRLY 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12  
 
MIN/MAX 76 88 74 83 72  
TEMP 82 80 79 76 77 84 87 87 82 79 77 76 76 80 82 82 78 76 74 73 74  
DEWPT 75 75 74 73 74 74 74 74 74 73 73 72 72 73 73 73 72 72 71 71 71  
RH 79 85 85 90 90 72 65 65 77 82 87 87 87 79 74 74 82 87 90 93 90  
WIND DIR S SW SW SW SW W SW SW SW W W W W NW NW N NE NE N NE NE  
WIND SPD 10 8 6 8 8 8 8 9 6 5 3 6 4 6 5 6 6 8 5 9 6  
WIND GUST 21 20 19 19  
CLOUDS B1 B1 B1 B1 B2 B2 B2 OV OV OV B2 OV B2 OV B1 B2 B1 B2 B1 B2 B1  
POP 12HR 40 60 50 60 30  
QPF 12HR 0 0.33 0.28 0.21 0.02  
SNOW 12HR 00-00 00-00 00-00  
RAIN SHWRS C C C C C C C L C C C C L L C C C C S S S  
TSTMS C C S S S S C C C C S S C C C C C C S  
HEAT INDEX 89 85 91 95 95 88 84 87 87  
MAX HEAT 94 87 95 95 86 87 87  
 
DATE 08/20 TUE 08/21/18 WED 08/22/18 THU 08/23/18 FRI 08/24/18  
EDT 6HRLY 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20  
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MAX/MIN 82 72 85 75 85 70 81 70 83  
TEMP 81 78 74 75 84 81 77 77 84 79 73 73 80 76 72 73 82 78  
DEWPT 72 72 71 72 75 75 74 72 71 70 68 67 66 67 67 67 68 69  
PWIND DIR NE SE S SW W NW N NE E  
WIND CHAR LT LT GN GN LT LT LT LT LT  
AVG CLOUDS B1 B1 SC B1 B1 B2 B1 B1 B1 B1 B1 B1 SC SC SC SC SC SC  
POP 12HR 20 5 40 70 40 10 10 10 30  
RAIN SHWRS S S C C L L C C C C  
TSTMS S S C C S S C C C C  
 

 
WVZ502-180900-  
PETERSBURG WV  
38.99N 79.15W ELEV. 963 FT  
737 PM EDT FRI AUG 17 2018  
 
DATE 08/17/18 SAT 08/18/18 SUN 08/19/18 MON  
EDT 3HRLY 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08  
UTC 3HRLY 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12  
 
MIN/MAX 68 83 65 82 64  
TEMP 76 71 69 68 70 79 82 81 76 71 69 67 69 77 81 80 75 70 68 66 68  
DEWPT 70 68 68 67 68 70 69 69 69 67 66 65 66 68 69 69 68 65 64 63 65  
RH 82 90 97 97 93 74 65 67 79 87 90 93 90 74 67 69 79 84 87 90 90  
WIND DIR SW SW SW SW SW SW W W SW NW NW N N N N N NE NE NE NE E  
WIND SPD 4 3 3 3 3 4 5 5 3 2 1 2 1 3 3 4 2 2 1 2 1  
CLOUDS B2 B2 OV OV OV OV OV B2 OV OV B2 OV B2 B2 B1 B2 B1 B1 SC B1 B1  
POP 12HR 50 60 40 40 20  
QPF 12HR 0.11 0.27 0.09 0.10 0  
SNOW 12HR 00-00 00-00 00-00  
RAIN SHWRS C C C C C L L C C C C C C C C C S S S S  
TSTMS C C S S S C C C C C S S S S C C S S  
OBVIS PF PF PF PF PF  
HEAT INDEX 85 84 84 83  
MAX HEAT 85 85 84 84  
 
DATE 08/20 TUE 08/21/18 WED 08/22/18 THU 08/23/18 FRI 08/24/18  
EDT 6HRLY 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20  
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MAX/MIN 83 67 85 65 80 59 79 59 83  
TEMP 81 76 70 71 84 77 69 69 79 71 63 64 77 71 63 65 81 74  
DEWPT 69 69 66 67 72 71 66 64 64 64 60 58 59 61 58 59 63 65  
PWIND DIR SE SE S SW W NW N SE S  
WIND CHAR LT LT LT LT LT LT LT LT LT  
AVG CLOUDS B1 B1 B1 B2 B2 B2 B2 B1 B1 B1 B1 SC SC SC SC SC SC SC  
POP 12HR 10 40 70 60 40 10 10 10 20  
RAIN SHWRS C C L L L L C C S S  
TSTMS L L S S C C S S  
 

 
MDZ014-180900-  
ANNAPOLIS MD  
38.99N 76.49W ELEV. 7 FT  
737 PM EDT FRI AUG 17 2018  
 
DATE 08/17/18 SAT 08/18/18 SUN 08/19/18 MON  
EDT 3HRLY 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08  
UTC 3HRLY 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12  
 
MIN/MAX 75 87 72 82 70  
TEMP 83 78 77 75 77 83 86 86 81 77 75 74 74 79 81 81 77 74 73 71 72  
DEWPT 75 74 74 73 73 73 74 73 73 73 72 71 71 72 72 71 71 70 69 69 69  
RH 77 88 90 94 87 72 68 65 77 87 90 90 90 79 74 72 82 87 87 93 90  
WIND DIR S SW SW SW SW W SW SW SW W NW NW N N NE NE NE NE NE NE NE  
WIND SPD 9 5 5 5 5 6 8 8 5 4 3 4 4 6 8 8 8 9 5 8 6  
CLOUDS OV B2 B2 B2 OV B2 OV OV OV OV B2 OV B2 B2 B1 OV B2 B2 B1 B2 B1  
POP 12HR 50 60 60 50 20  
QPF 12HR 0.15 0.22 0.25 0.17 0.01  
SNOW 12HR 00-00 00-00 00-00  
RAIN SHWRS C C C C C C L L L L C C C C C C S S  
TSTMS C C S S S S C C C C S S S S C C S S  
HEAT INDEX 90 89 94 93 86 85 85  
MAX HEAT 95 87 94 94 85 85  
 
DATE 08/20 TUE 08/21/18 WED 08/22/18 THU 08/23/18 FRI 08/24/18  
EDT 6HRLY 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20  
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MAX/MIN 82 71 83 73 84 68 81 67 83  
TEMP 81 77 73 74 82 79 75 76 83 77 71 71 80 75 70 71 82 77  
DEWPT 70 71 69 70 74 74 73 71 70 68 65 64 64 64 65 65 66 68  
PWIND DIR NE SE SE SW W N N NE E  
WIND CHAR LT LT GN GN GN LT LT LT LT  
AVG CLOUDS B1 B1 SC B1 B1 B2 B2 B1 B1 SC SC SC SC SC SC SC SC SC  
POP 12HR 10 10 40 70 40 10 10 10 20  
RAIN SHWRS C C L L C C S S  
TSTMS C C S S C C S S  
 

 
 
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