uncle W Posted April 23, 2011 Share Posted April 23, 2011 NYC decade precipitation averages since 1870.10 yr.............Ave. per year. lowest and highest year1870's..............43.73"........39.25".......51.26"1880's..............43.54"........35.37".......57.16"1890's..............41.84"........35.37".......48.26"1900's..............44.84"........37.44".......58.32"1910's..............44.24"........33.72".......58.00"1920's..............44.92"........37.76".......56.06"1930's..............44.60"........33.85".......53.53"1940's..............42.16"........36.24".......48.51"1950's..............39.59"........35.58".......45.20"1960's..............39.74"........26.09".......48.54"1970's..............52.31"........35.29".......67.03"1980's..............49.96"........38.11".......80.56"1990's..............47.29"........40.42".......60.92"2000's..............53.18"........35.92".......61.70"2010's..............53.56"........38.51".......72.81"1870-2009................45.14"1980-2009................50.14"1870-1969................42.92"1970-2009................50.64"Since 1971 NYC is getting around 20% more precipitation than it got from 1870-1970...There is probably more clouds around also and between the extra moisture and clouds the average daily max temperature stayed steady or dropped and the average min rose... Link to comment Share on other sites More sharing options...
A-L-E-X Posted April 23, 2011 Share Posted April 23, 2011 Unc, thanks for the stats. Nate and I were talking about the increase in precip possibly also resulting in bigger snowstorms in the winter.... could be some merit to those ideas. If you do a month by month analysis, how many of the 12 months are tending towards wetter and how many towards drier? Link to comment Share on other sites More sharing options...
uncle W Posted April 23, 2011 Author Share Posted April 23, 2011 interesting thing is the 1950's and 60's were the driest but those years are noted for hurricanes and snowstorms. There was some consistency until the fifties when a long term drought started and lasted until late 1966. wettest years in Central Park. year.....total precip." 1983......80.56" 2011......70.85" 1972......67.03" 1989......65.11" 2007......61.70" 1975......61.21" 1990......60.92" 2006......59.90" 2003......58.56" 1903......58.32" 1913......58.00" 1973......57.23" 1889......57.16" driest years year.......total precip." 1965......26.09" 1964......32.99" 1910......33.72" 1935......33.85" 1963......34.28" 1970......35.29" 1885......35.37" 1895......35.37" 1954......35.58" 1892......35.60" .............................. Here are the wettest days on record... 8.28" on 9/23/1882. 11.83" from 9/21-23. 7.56" on 4/15/2007. 8.45" from 4/15-16 7.40" on 11/8/1977. 9.19" from 11/7-8. 7.33" on 10/9/1903. 11.80" from 10/8-10. 5.81" on 8/14/2011 5.60" on 11/8/1972. 5.54" on 9/21/1966. 5.02" on 9/16/1999. 4.98" on 10/1/1913. Wettest storms 11.83" 09/21-23/1882 11.80" 10/08-10/1903 ..9.19" 11/07-08/1977 ..8.45" 04/15-16/2007 ..7.76" 09/13-14/1944 ..7.01" 10/12-13/2005 ..6.87" 08/27-28/2011 ..6.32" 08/12-13/1955 Link to comment Share on other sites More sharing options...
uncle W Posted April 23, 2011 Author Share Posted April 23, 2011 Unc, thanks for the stats. Nate and I were talking about the increase in precip possibly also resulting in bigger snowstorms in the winter.... could be some merit to those ideas. If you do a month by month analysis, how many of the 12 months are tending towards wetter and how many towards drier? I think all the months are getting wetter especially the Spring months... Link to comment Share on other sites More sharing options...
bluewave Posted April 24, 2011 Share Posted April 24, 2011 Great stats, Uncle.From around 2003 on really stands out. October 2005 was the wettest month that I have seen here. It produced the most basement flooding that I can remember here in Long Beach from rainfall since the spring of 1983. Link to comment Share on other sites More sharing options...
A-L-E-X Posted April 24, 2011 Share Posted April 24, 2011 Parts of Long Island got like 2 feet of rain in October 2005 and NYC came this close to their alltime monthly record-- too bad the last half of October was relatively dry there. Link to comment Share on other sites More sharing options...
uncle W Posted April 25, 2011 Author Share Posted April 25, 2011 Great stats, Uncle.From around 2003 on really stands out. October 2005 was the wettest month that I have seen here. It produced the most basement flooding that I can remember here in Long Beach from rainfall since the spring of 1983. since 2003 NYC is averaging 55.58"... Link to comment Share on other sites More sharing options...
A-L-E-X Posted July 1, 2011 Share Posted July 1, 2011 Great stats, Uncle.From around 2003 on really stands out. October 2005 was the wettest month that I have seen here. It produced the most basement flooding that I can remember here in Long Beach from rainfall since the spring of 1983. Hey BW, do you keep precip records? Im curious did you record 20" of rainfall in October 2005-- because I know parts of Long Island got between that and two feet of rain that month. Also, were you around to record any rainfall numbers in 1983? A very weird year that was-- despite all the scorching heat and one of JFK's hottest summers (second only to 1966 I think), I believe we got 70" to 80" of rain that year. Link to comment Share on other sites More sharing options...
uncle W Posted August 20, 2011 Author Share Posted August 20, 2011 ...Here are the wettest months...amount month year... 10.10" June 201318.95" August 201110.69" March 201013.05" April 200716.73" October 200511.51" September 200410.27" June 200312.36" August 199010.24" May 198914.01" April 198310.54" March 198310.41" March 198010.52" January 197912.26" November 197711.77" July 197512.41" November 197210.86" August 195510.30" September 194411.96" September 193410.09" September 193312.97" October 191313.31" October 190311.89" July 188916.85" September 1882 Link to comment Share on other sites More sharing options...
A-L-E-X Posted August 20, 2011 Share Posted August 20, 2011 And perhaps another huge dump for Sunday. Link to comment Share on other sites More sharing options...
A-L-E-X Posted August 20, 2011 Share Posted August 20, 2011 Let's find some summer analogs when a month averaged 80+ for a month with multiple 100+ days and we had over a foot of rain the following month. Link to comment Share on other sites More sharing options...
uncle W Posted August 20, 2011 Author Share Posted August 20, 2011 Let's find some summer analogs when a month averaged 80+ for a month with multiple 100+ days and we had over a foot of rain the following month. 1955 and 1944 almost... Link to comment Share on other sites More sharing options...
A-L-E-X Posted August 20, 2011 Share Posted August 20, 2011 1955 and 1944 almost... Thanks Unc, did that 12 plus inches of rain occur when we got hit by the big hurricane in 1944? I know we had multiple tropical systems in 1955. Link to comment Share on other sites More sharing options...
uncle W Posted August 20, 2011 Author Share Posted August 20, 2011 Thanks Unc, did that 12 plus inches of rain occur when we got hit by the big hurricane in 1944? I know we had multiple tropical systems in 1955. the great Atlantic Hurricane of 1944... Link to comment Share on other sites More sharing options...
uncle W Posted August 28, 2011 Author Share Posted August 28, 2011 with the passage of Tropical Storm Irene NYC has over 50" of precipitation so far this year...The 25" of rainfall this Summer is a new record...The almost 19" for the month is a new monthly record for any month...That long hot dry spell we had in July seems a long time ago... Wettest..driest 25.23" in 2011.....4.31" in 1966 22.75" in 1975.....4.36" in 1894 22.36" in 1989.....4.58" in 1929 21.39" in 2009.....4.97" in 1999 20.79" in 2006.....5.33" in 1965 20.64" in 2007.....6.19" in 1957 20.50" in 1928.....6.87" in 1882 20.43" in 1903.....6.88" in 1912 20.01" in 1927.....6.93" in 1970 19.88" in 2003.....7.01" in 1923 Link to comment Share on other sites More sharing options...
JBG Posted August 29, 2011 Share Posted August 29, 2011 NYC decade precipitation averages since 1870. 10 yr.............Ave. per year. lowest and highest year 1870's..............43.73"........39.25".......51.26" 1880's..............43.54"........35.37".......57.16" 1890's..............41.84"........35.37".......48.26" 1900's..............44.84"........37.44".......58.32" 1910's..............44.24"........33.72".......58.00" 1920's..............44.92"........37.76".......56.06" 1930's..............44.60"........33.85".......53.53" 1940's..............42.16"........36.24".......48.51" 1950's..............39.59"........35.58".......45.20" 1960's..............39.74"........26.09".......48.54" 1970's..............52.31"........35.29".......67.03" 1980's..............49.96"........38.11".......80.56" 1990's..............47.29"........40.42".......60.92" 2000's..............53.18"........35.92".......61.70" 2010's..............49.37"........49.37".......49.37" 1870- 2009................45.14" 1980- 2009................50.14" 1870- 1969................42.92" 1970- 2009................50.64" Since 1971 NYC is getting around 20% more precipitation than it got from 1870-1970...There is probably more clouds around also and between the extra moisture and clouds the average daily max temperature stayed steady or dropped and the average min rose... Interesting analysis but the 1950's and 1960's seem flukishly dry. It looks like a working long-term average is 45" per year. Link to comment Share on other sites More sharing options...
JBG Posted August 29, 2011 Share Posted August 29, 2011 with the passage of Tropical Storm Irene NYC has over 50" of precipitation so far this year...The 25" of rainfall this Summer is a new record...The almost 19" for the month is a new monthly record for any month...That long hot dry spell we had in July seems a long time ago... Wettest..driest 25.25" in 2011.....4.31" in 1966 22.75" in 1975.....4.36" in 1894 22.36" in 1989.....4.58" in 1929 21.39" in 2009.....4.97" in 1999 20.79" in 2006.....5.33" in 1965 20.64" in 2007.....6.19" in 1957 20.50" in 1928.....6.87" in 1882 20.43" in 1903.....6.88" in 1912 20.01" in 1927.....6.93" in 1970 19.88" in 2003.....7.01" in 1923 Still, this summer will be remembered as a hot and partially dry one. The summers that are remembered as cool and/or rainy will remain, for recent years, 1960, 1967, 1969, 1972, 1976, 1979, 1982, 1989, 1992, 1996, 2000, 2003, 2004, and 2009. A few days with a half-foot or more don't create nearly the negative perception of a summer than weeks and weeks of drear (to coin a word0 typical of the summers I listed. Granted, 1969 had a hot week in July and a few heat spikes in May and June, and not a bad August. Ditto 1972 with two weeks in July and August, and a week in September. But what one remembers are the number of days it was painful to go into a pool. Link to comment Share on other sites More sharing options...
doncat Posted August 29, 2011 Share Posted August 29, 2011 21.53 in. rain here this month, 27.24 for the summer! Link to comment Share on other sites More sharing options...
A-L-E-X Posted August 30, 2011 Share Posted August 30, 2011 with the passage of Tropical Storm Irene NYC has over 50" of precipitation so far this year...The 25" of rainfall this Summer is a new record...The almost 19" for the month is a new monthly record for any month...That long hot dry spell we had in July seems a long time ago... Wettest..driest 25.23" in 2011.....4.31" in 1966 22.75" in 1975.....4.36" in 1894 22.36" in 1989.....4.58" in 1929 21.39" in 2009.....4.97" in 1999 20.79" in 2006.....5.33" in 1965 20.64" in 2007.....6.19" in 1957 20.50" in 1928.....6.87" in 1882 20.43" in 1903.....6.88" in 1912 20.01" in 1927.....6.93" in 1970 19.88" in 2003.....7.01" in 1923 The annual record of 67.03" from 1983 is within range..... Link to comment Share on other sites More sharing options...
A-L-E-X Posted August 30, 2011 Share Posted August 30, 2011 Unc, in how many of those wettest summers did we have 100 degree temps in the summer? Link to comment Share on other sites More sharing options...
uncle W Posted August 30, 2011 Author Share Posted August 30, 2011 Unc, in how many of those wettest summers did we have 100 degree temps in the summer? Wettest.............max temp 25.23" in 2011.....104 22.75" in 1975.....98 22.36" in 1989.....96 21.39" in 2009.....92 20.79" in 2006.....97 20.64" in 2007.....92 20.50" in 1928.....94 20.43" in 1903.....95 20.01" in 1927.....92 19.88" in 2003.... 94 Link to comment Share on other sites More sharing options...
uncle W Posted August 30, 2011 Author Share Posted August 30, 2011 rainfall in NYC from a tropical storm/hurricane... date.................amount........ Sept 1882.......10.63" Sept 1944.........7.76" great Atlantic hurricane Aug 2011..........6.87" Irene Aug 1955..........6.32" Connie Aug 1971..........5.96" Doria Sept 1938.........5.74" Sept 1934.........5.48" Sept 1999.........5.44" Floyd Aug 1879..........4.59" Aug 1976..........4.28" Belle Oct 1877...........4.07" Aug 1893..........3.94" Sept 1904.........3.85" Aug 1991..........3.72" Bob Sept 1985.........3.58" Gloria July 1960...........3.56" Sept 1954.........3.30" Carol Sept 1960.........2.42" Donna Link to comment Share on other sites More sharing options...
A-L-E-X Posted August 30, 2011 Share Posted August 30, 2011 I imagine for Newark this was the #1 wettest tropical system? Link to comment Share on other sites More sharing options...
uncle W Posted September 8, 2011 Author Share Posted September 8, 2011 since 2003 NYC is averaging 55.58"... 55.62" so far this year...If we get average precipitation the rest of the year it might reach 70"... Link to comment Share on other sites More sharing options...
Stormlover74 Posted September 8, 2011 Share Posted September 8, 2011 2nd place looks firmly within reach, about a foot with 3 3/4 months to go.....I hope the all time record of 80" is safe but who knows at this point. 55.62" so far this year...If we get average precipitation the rest of the year it might reach 70"... Link to comment Share on other sites More sharing options...
Sundog Posted September 8, 2011 Share Posted September 8, 2011 All this rain after an epic dry stretch that left my lawn brown and leaves falling from trees in July. Link to comment Share on other sites More sharing options...
doncat Posted September 9, 2011 Share Posted September 9, 2011 25 inches rain here past 31 days. Link to comment Share on other sites More sharing options...
Nikolai Posted September 9, 2011 Share Posted September 9, 2011 with the passage of Tropical Storm Irene NYC has over 50" of precipitation so far this year...The 25" of rainfall this Summer is a new record...The almost 19" for the month is a new monthly record for any month...That long hot dry spell we had in July seems a long time ago... Wettest..driest 25.23" in 2011.....4.31" in 1966 22.75" in 1975.....4.36" in 1894 22.36" in 1989.....4.58" in 1929 21.39" in 2009.....4.97" in 1999 20.79" in 2006.....5.33" in 1965 20.64" in 2007.....6.19" in 1957 20.50" in 1928.....6.87" in 1882 20.43" in 1903.....6.88" in 1912 20.01" in 1927.....6.93" in 1970 19.88" in 2003.....7.01" in 1923 Snow! (the following winter) 1975: 17.3" 1989: 13.4" 2009: 51.4" 2006: 12.4" 2007: 11.9" 1928: 13.8" 1903: 32.2" 1927: 14.5" 2003: 42.6" Not a good indicator for the winter... three good years, the rest uniformly blah. May not mean anything, but there you have it. Link to comment Share on other sites More sharing options...
SnowGoose69 Posted September 9, 2011 Share Posted September 9, 2011 Snow! (the following winter) 1975: 17.3" 1989: 13.4" 2009: 51.4" 2006: 12.4" 2007: 11.9" 1928: 13.8" 1903: 32.2" 1927: 14.5" 2003: 42.6" Not a good indicator for the winter... three good years, the rest uniformly blah. May not mean anything, but there you have it. You can toss 2006 since it was an El Nino, even 27, 28 and 03 I think were either neutral or El ninos. Again 1989 shows up. I'm surprised 2000 was not in there, I think for alot of the area 2000 would be a top 10, maybe not for Central Park but most other stations. 1975 and 1989 would be the strongest ones to use...the NAO again is the decisive factor this winter much like we knew it would be last year...the fact it has just gone positive recently again is a good sign for the winter, especially if it remains mainly positive through October. The water temp profile though in the NATL still cares me somewhat regarding the NAO this winter. The one thing I again feel sure of is that there is going to be some serious cold air in December. Link to comment Share on other sites More sharing options...
bluewave Posted September 9, 2011 Share Posted September 9, 2011 The next record of a 60+inch snowfall season being followed by a 60+ inch calendar year precipitation total will really be one for the record books. Link to comment Share on other sites More sharing options...
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