PrinceFrederickWx Posted June 22, 2015 Share Posted June 22, 2015 Record high tomorrow at BWI is 97, set in 2010. Forecasted high is 96. We may even be able to sneak in a top 10 hottest June... I think. I'd have to look at it some more. Link to comment Share on other sites More sharing options...
PrinceFrederickWx Posted June 23, 2015 Share Posted June 23, 2015 75.9 is the number that gets us in top 10 hottest June. As of yesterday it was 74.6- this number should go up a lot the next few days, but Sat-Mon may ruin it now. Link to comment Share on other sites More sharing options...
PrinceFrederickWx Posted June 24, 2015 Share Posted June 24, 2015 Just another 0.39" needed for BWI to get wettest June ever, and 0.43" to give them the first ever double digit June total. Looking at the forecast its gotta happen... I think. Link to comment Share on other sites More sharing options...
PrinceFrederickWx Posted June 26, 2015 Share Posted June 26, 2015 BWI has 9.98" so that's the wettest June ever. Next milestone will be getting the double digit rain mark which is almost certain to happen. There's only 11 other months that ever reached the double digits (and none were in June): Aug 1955 - 18.35 Aug 1933 - 13.83 Sept 2011 - 13.32 Sept 1934 - 12.41 Aug 1911 - 12.28 Sept 1999 - 11.5 Jul 1889 - 11.03 Aug 1971 - 10.91 Jul 1905 - 10.65 Sept 1876 - 10.52 Aug 2011 - 10.38 Link to comment Share on other sites More sharing options...
RodneyS Posted June 26, 2015 Share Posted June 26, 2015 BWI has 9.98" so that's the wettest June ever. Next milestone will be getting the double digit rain mark which is almost certain to happen. There's only 11 other months that ever reached the double digits (and none were in June): Aug 1955 - 18.35 Aug 1933 - 13.83 Sept 2011 - 13.32 Sept 1934 - 12.41 Aug 1911 - 12.28 Sept 1999 - 11.5 Jul 1889 - 11.03 Aug 1971 - 10.91 Jul 1905 - 10.65 Sept 1876 - 10.52 Aug 2011 - 10.38 It's interesting to note how widely rainfall varies between Baltimore and DC. Here are the DC figure for those same months, with the DC surplus or deficit relative to Baltimore shown in parentheses: Aug 1955 - 14.31 (-4.04) Aug 1933 - 9.91 (-3.92) Sept 2011 - 8.84 (-4.48) Sept 1934 - 17.45 (5.04) Aug 1911 - 7.27 (-5.01) Sept 1999 - 10.27 (-1.23) Jul 1889 - 8.13 (-2.90) Aug 1971 - 7.18 (-3.73) Jul 1905 - 9.95 (-0.70) Sept 1876 - 10.81 (0.29) Aug 2011 - 8.92 (-1.46) So far this month, DCA has 9.18 inches, but that still leaves it 4.84 inches short of the June record of 14.02 inches, set just nine years ago, when BWI had just 7.32 inches. So, in June 2006, DCA had a 6.70 inch surplus relative to BWI. Link to comment Share on other sites More sharing options...
MN Transplant Posted June 26, 2015 Author Share Posted June 26, 2015 BWI has 9.98" so that's the wettest June ever. Next milestone will be getting the double digit rain mark which is almost certain to happen. There's only 11 other months that ever reached the double digits (and none were in June): Aug 1955 - 18.35 Aug 1933 - 13.83 Sept 2011 - 13.32 Sept 1934 - 12.41 Aug 1911 - 12.28 Sept 1999 - 11.5 Jul 1889 - 11.03 Aug 1971 - 10.91 Jul 1905 - 10.65 Sept 1876 - 10.52 Aug 2011 - 10.38 Fun to break a record. IAD is at 5.48" for more variability. Link to comment Share on other sites More sharing options...
PrinceFrederickWx Posted June 26, 2015 Share Posted June 26, 2015 So far this month, DCA has 9.18 inches, but that still leaves it 4.84 inches short of the June record of 14.02 inches, set just nine years ago, when BWI had just 7.32 inches. So, in June 2006, DCA had a 6.70 inch surplus relative to BWI. The disparity in the extreme rainfall months is interesting. So where is DCA ranked for this month right now? Fun to break a record. IAD is at 5.48" for more variability. I didn't realize IAD was so much lower. My house, DCA and BWI are all generally in the same 9" range. I'd like to see a monthly rainfall map of the region after the month is over. Link to comment Share on other sites More sharing options...
North Balti Zen Posted June 26, 2015 Share Posted June 26, 2015 BWI has 9.98" so that's the wettest June ever. Next milestone will be getting the double digit rain mark which is almost certain to happen. There's only 11 other months that ever reached the double digits (and none were in June): Aug 1955 - 18.35 Aug 1933 - 13.83 Sept 2011 - 13.32 Sept 1934 - 12.41 Aug 1911 - 12.28 Sept 1999 - 11.5 Jul 1889 - 11.03 Aug 1971 - 10.91 Jul 1905 - 10.65 Sept 1876 - 10.52 Aug 2011 - 10.38 Looking at those months - have to assume those were all pumped up with tropical systems or remnants maybe. Link to comment Share on other sites More sharing options...
MN Transplant Posted June 26, 2015 Author Share Posted June 26, 2015 I didn't realize IAD was so much lower. My house, DCA and BWI are all generally in the same 9" range. I'd like to see a monthly rainfall map of the region after the month is over. I am at 7.25", but half of that is from the last week. IAD to my area to Manassas did not do well, as compared to other spots, in the first half of June. Link to comment Share on other sites More sharing options...
RodneyS Posted June 26, 2015 Share Posted June 26, 2015 The disparity in the extreme rainfall months is interesting. So where is DCA ranked for this month right now? Fifth all-time for June in DC. Here is the table: June 2006: 14.02 June 1972: 11.53 June 1900: 10.94 June 2013: 9.97 June 2015: 9.18 Second place is well within reach, but the record will be a challenge. Link to comment Share on other sites More sharing options...
PrinceFrederickWx Posted June 26, 2015 Share Posted June 26, 2015 Looking at those months - have to assume those were all pumped up with tropical systems or remnants maybe. The top one, August 1955, was from hurricanes Connie and Diane. August 1933 was from the unnamed mid-atlantic hurricane that I hear about a lot. The more recent ones you all probably know: Sept. 1999 was Floyd, Aug. 2011 was Irene, Sept. 2011 was Lee remnants. I haven't looked into the others but I agree, I'm sure its all tropical systems or their remnants. Link to comment Share on other sites More sharing options...
RodneyS Posted June 28, 2015 Share Posted June 28, 2015 Fifth all-time for June in DC. Here is the table: June 2006: 14.02 June 1972: 11.53 June 1900: 10.94 June 2013: 9.97 June 2015: 9.18 Second place is well within reach, but the record will be a challenge. June 2015 at DCA is now up to 11.01 inches of precipitation, making it the third wettest June in DC history, and the 11th wettest of 1734 months overall. Link to comment Share on other sites More sharing options...
PrinceFrederickWx Posted June 28, 2015 Share Posted June 28, 2015 BWI has 2.86" for the the day so far, which is a daily record. The previous record was 2.04" in 1883. Monthly total is now 12.84", which is 4th rainiest month ever. We're not getting first place but there's a good chance we could still get 2nd or 3rd, especially with more rain possibly overnight and again on Tues. Link to comment Share on other sites More sharing options...
RodneyS Posted June 28, 2015 Share Posted June 28, 2015 Fifth all-time for June in DC. Here is the table: June 2006: 14.02 June 1972: 11.53 June 1900: 10.94 June 2013: 9.97 June 2015: 9.18 Second place is well within reach, but the record will be a challenge. With yesterday's record-breaking rainfall, June 2015 at DCA is now at 11.93 inches, which not only places the month second all-time in DC for June, but eighth overall. Here is the list of Top Ten rainiest months ever in DC, since official records began in 1871: September 1934: 17.45 inches August 1928: 14.41 inches August 1906: 14.36 inches August 1955: 14.31 inches June 2006: 14.02 inches August 1875: 12.93 inches September 1975: 12.36 inches June 2015: 11.93 inches August 1942: 11.61 inches June 1972: 11.53 inches Link to comment Share on other sites More sharing options...
PrinceFrederickWx Posted June 28, 2015 Share Posted June 28, 2015 So BWI has 13.09" which is 4th. Both 3rd and 2nd wettest month are less than an inch away. Tuesday is our last shot now. The rainiest summer ever is 1955 with 25.38". This is probably the next record to go for as we're already halfway there. Link to comment Share on other sites More sharing options...
PrinceFrederickWx Posted July 1, 2015 Share Posted July 1, 2015 So BWI has 13.09" which is 4th. Both 3rd and 2nd wettest month are less than an inch away. Tuesday is our last shot now. The rainiest summer ever is 1955 with 25.38". This is probably the next record to go for as we're already halfway there. No rain yesterday at BWI so this is where we finished, rainiest June and 4th rainiest month ever. They got 0.62" for today and many chances of rain are in the forecast, so I'm liking the rainiest summer record more and more. For temperatures the month ended up way lower than I thought, with an average of only 74.1 degrees (+1.7 departure). Remember when we were looking at top ten coldest year though back in early April? That was pretty funny. Link to comment Share on other sites More sharing options...
RodneyS Posted July 1, 2015 Share Posted July 1, 2015 No rain yesterday at BWI so this is where we finished, rainiest June and 4th rainiest month ever. They got 0.62" for today and many chances of rain are in the forecast, so I'm liking the rainiest summer record more and more. For temperatures the month ended up way lower than I thought, with an average of only 74.1 degrees (+1.7 departure). Remember when we were looking at top ten coldest year though back in early April? That was pretty funny. DCA added 0.01 inches to finish at 11.94 inches for June 2015 (8th rainiest month in DC history), with last night's good-sized storm (0.97 inches) occurring entirely after midnight. The average June 2015 temperature at DCA was 78.1 degrees, a departure of +2.9, and the 6th warmest June in DC history. However, just five years ago, the all-time June record of 80.6 degrees was set at DCA, and so we were a long way from that. Link to comment Share on other sites More sharing options...
mattie g Posted July 1, 2015 Share Posted July 1, 2015 No rain yesterday at BWI so this is where we finished, rainiest June and 4th rainiest month ever. They got 0.62" for today and many chances of rain are in the forecast, so I'm liking the rainiest summer record more and more. For temperatures the month ended up way lower than I thought, with an average of only 74.1 degrees (+1.7 departure). Remember when we were looking at top ten coldest year though back in early April? That was pretty funny. Well...there are six months left in the year. Link to comment Share on other sites More sharing options...
PrinceFrederickWx Posted July 1, 2015 Share Posted July 1, 2015 Well...there are six months left in the year. May and June (especially May) pretty much cancelled out Jan-Mar, so it would take some serious negative departures over the next six months for us to have a chance at that again. Of course its still mathematically possible, but extremely unlikely. Link to comment Share on other sites More sharing options...
PrinceFrederickWx Posted July 31, 2015 Share Posted July 31, 2015 BWI's had 16.58" for the summer now, so 8.81" is needed in August to beat the rainiest summer ever record. That's not going to be easy, as 8.81" by itself would be 12th wettest August. More realistic records are:-Another 4.25" in August gives us top 5.-Another 1.81" in August gives us top 10. (these are all to break reocrds, not tie them, so subtract 0.01" for everything to tie a record) Link to comment Share on other sites More sharing options...
RodneyS Posted August 1, 2015 Share Posted August 1, 2015 BWI's had 16.58" for the summer now, so 8.81" is needed in August to beat the rainiest summer ever record. That's not going to be easy, as 8.81" by itself would be 12th wettest August. More realistic records are: -Another 4.25" in August gives us top 5. -Another 1.81" in August gives us top 10. (these are all to break reocrds, not tie them, so subtract 0.01" for everything to tie a record) Similar picture for DCA, which has seen 16.95 inches of precipitation this meteorological summer, already # 17 on the all-time DC list. However, the DC summer record is a staggering 27.05 inches, set in 1906. But to make the Top 5, DCA needs just 2.94 inches in August. Link to comment Share on other sites More sharing options...
PrinceFrederickWx Posted August 25, 2015 Share Posted August 25, 2015 Assuming no additional rainfall, BWI limped through July and August to finish at a disappointing 6th rainiest summer, with 19.04" total. Link to comment Share on other sites More sharing options...
RodneyS Posted September 1, 2015 Share Posted September 1, 2015 Similar picture for DCA, which has seen 16.95 inches of precipitation this meteorological summer, already # 17 on the all-time DC list. However, the DC summer record is a staggering 27.05 inches, set in 1906. But to make the Top 5, DCA needs just 2.94 inches in August. Didn't happen, as DCA recorded only 1.16 inches of precipitation in August, 15th lowest in DC history. Meteorological summer total of 18.11 inches still good enough for 13th all-time. Link to comment Share on other sites More sharing options...
RodneyS Posted September 23, 2015 Share Posted September 23, 2015 With respect to overall temperatures, the 2014 astronomical summer at DCA was a virtual carbon copy of 2013, averaging a minimum of 69.5 degrees and a maximum of 85.8 degrees. And, believe it or not, the overall average was identical no matter how many decimal points you carry it out -- 77.66 degrees to two decimal points, which is the 26th warmest in DC history. The 2015 DCA astronomical summer (June 21-Sept 23) averaged 79.21 degrees -- 5th warmest in DC history. Warmest was 1980, at 81.74 degrees. The 2015 DCA meteorological summer (June 1-Aug 31) was also 5th warmest in DC history, at 79.68 degrees. Warmest was 2010, at 81.24 degrees. Link to comment Share on other sites More sharing options...
RodneyS Posted September 30, 2015 Share Posted September 30, 2015 Didn't happen, as DCA recorded only 1.16 inches of precipitation in August, 15th lowest in DC history. Meteorological summer total of 18.11 inches still good enough for 13th all-time. Yesterday's 1.65 inches of precipitation at DCA was the highest daily amount there only since June 27th's 2.75 inches; however, yesterday's 1.57 inches of precipitation at IAD was the highest daily amount there since June 8, 2014 (1.71 inches). Link to comment Share on other sites More sharing options...
PrinceFrederickWx Posted September 30, 2015 Share Posted September 30, 2015 Daily precip record yesterday at BWI- the 2.58" beat the previous record of 2.00" set in 1963. Link to comment Share on other sites More sharing options...
famartin Posted September 30, 2015 Share Posted September 30, 2015 Yesterday's 1.65 inches of precipitation at DCA was the highest daily amount there only since June 27th's 2.75 inches; however, yesterday's 1.57 inches of precipitation at IAD was the highest daily amount there since June 8, 2014 (1.71 inches).You missed the 1.6" on 7/8/2015. Link to comment Share on other sites More sharing options...
RodneyS Posted September 30, 2015 Share Posted September 30, 2015 You missed the 1.6" on 7/8/2015. Whoops -- thanks. However, if the rain gauge were accurate at IAD . . . just kidding. Link to comment Share on other sites More sharing options...
famartin Posted September 30, 2015 Share Posted September 30, 2015 Whoops -- thanks. However, if the rain gauge were accurate at IAD . . . just kidding. IAD did good yesterday... I had 1.75" nearby so seems close. Link to comment Share on other sites More sharing options...
PrinceFrederickWx Posted November 2, 2015 Share Posted November 2, 2015 Record high watch for Friday at BWI? Forecasted high is 74, record is 77. Link to comment Share on other sites More sharing options...
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