phlwx Posted October 8, 2011 Share Posted October 8, 2011 I took the below snippet from the winter discussion thread... For craps and giggles -- years where Philadelphia has had a high temperature of 56 or below in the first five days of October: 2011 2010 1999 1998 1996 1974 1965 1948 1945 1944 1940 1939 1899 1892 1888 1876 I'm going to add another filter...years that featured a high of 56 or below in the 1st 5 days of October and then also had a high of 80 or above later in the month: 1899 1939 (high of 90 a week after a high of 54 ) 1940 1944 1945 1974 1996 2010 If we crack 80 on Sunday or Monday, it would be the 9th time in Philly's history we've pulled that off in October (going from cold to "torch" within the month...it's easier to go from torch to cold but harder to torch after a cold snap). For fun...nothing meteorological but simply to play with numbers, I looked at the winter data... 1899-1900, 1939-40, and 40-41 were Ninos (we can discount these since we're in a Nina) 1944-45, 45-46, 74-75, and 2010-11 were Ninas...although 44-45, 45-46 were really weak Ninas and 45-46 could easily be argued as a Nada winter...I'll lump it as a Nina for this post but don't slice me for doing so. 96-97 was a Nada winter more or less but a slight lean negative in current MEI world....very similar to 45-46. Temp/snow breakdown for the four winters...order of data will be temps for D, J, F, snowiest month, and total snowfall. 3 of the 4 years featured a rather cold month that stood out more than other months -- either December or January...typical of a La Nina...but the strength of the cold is particularly noted. February was the warmest winter month of the three winters outside of 74-75...again, typical of La Nina. 74-75 was a generally warm winter on the whole. Snowfall varies...generally averageish in the 44-45, 45-46 winters, below in warm winter, above in 10-11. Coldest month was also snowiest in these four winters. If I lumped in 96-97 temps go warm Dec, average January, warm February with 12.9" of snow for winter and March the snowiest month. Most of these winters, not surprisingly, are volatile in temperature swings. Even in 74-75 we got a couple of potent cold shots in January and February but they were transient and not locked in. Link to comment Share on other sites More sharing options...
Parsley Posted October 8, 2011 Share Posted October 8, 2011 Interesting info. Thanks for sharing. I'll take 80 or 50 right now.......as long as it is D-R-Y. Link to comment Share on other sites More sharing options...
phlwx Posted October 10, 2011 Author Share Posted October 10, 2011 Interesting info. Thanks for sharing. I'll take 80 or 50 right now.......as long as it is D-R-Y. The last 30 days hasn't been that wet -- 4.48" -- above average but hardly on the level of what we saw August 1-Sep 10. Link to comment Share on other sites More sharing options...
Grothar Posted October 10, 2011 Share Posted October 10, 2011 The last 30 days hasn't been that wet -- 4.48" -- above average but hardly on the level of what we saw August 1-Sep 10. I agree- not the level but three more inches by Friday will get us closer. I hope this is the last big rain event until Thanksgiving. Link to comment Share on other sites More sharing options...
dssbss Posted October 10, 2011 Share Posted October 10, 2011 I agree- not the level but three more inches by Friday will get us closer. I hope this is the last big rain event until Thanksgiving. I hope they are all big snow events from here on out! Link to comment Share on other sites More sharing options...
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