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NYC precipitation


uncle W

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driest Summers and the following winter snowfall...

.....4.31" in 1966...51.5"

.....4.36" in 1894...27.0"

.....4.58" in 1929...13.6"

.....4.97" in 1999...16.3"

.....5.33" in 1965...24.4"

.....6.19" in 1957...44.7"

.....6.87" in 1882...44.0"

.....6.88" in 1912...15.3"

.....6.93" in 1970...15.5"

.....7.01" in 1923...27.5"

the driest Summers had more snow on average the next winter than the wettest ones...

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  • 2 weeks later...

NYC got two and a half inches of rain so far today bringing the yearly total to over 58" and making it a top ten wettest year already...It's the second time August and September got over 8" of rainfall...The last time that happened was in 1933...

Wow. I haven't been following very closely the past few weeks, but how did NYC get 8" alread this month? I was only at 3" before today in CNJ. They've got me by at least a foot of rain in terms of the 2011 total.

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  • 2 weeks later...
  • 2 months later...

What a year! A 60+ snowfall season followed by a yearly precipitation total over 70 inches.

This is truly one for the record books. And add the wettest month on record for NYC back

in August to the mix and you have an extremely rare occurrence. I don't want to forget the snowiest

January and October on record.arrowheadsmiley.png

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What a year! A 60+ snowfall season followed by a yearly precipitation total over 70 inches.

This is truly one for the record books. And add the wettest month on record for NYC back

in August to the mix and you have an extremely rare occurrence. I don't want to forget the snowiest

January and October on record.arrowheadsmiley.png

Plus the warmest day on record back in July.

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  • 4 weeks later...

The kept the 1983 precipitation totals for Central Park.

. Statement on record annual precipitation at New York Central

Park...

1983 was a record-breaking year for annual precipitation across the

New York City metropolitan area. During 1983... records were

established at Newark... La Guardia... and JFK airports... as well as

at Central Park. Recorded annual precipitation for 1983 at the

National Weather Service weather station at Central Park totaled

80.56 inches... more than any other year on record. This

record... however... has been in dispute since 1983... when the annual

summary of the local climatological data publication for Central

Park... published by the NOAA National climatic data

center... indicated that 1983 precipitation was determined by NWS

eastern region to be excessive due to malfunctioning equipment.

This issue has received renewed interest as 2011 totaled 72.81

inches of precipitation at Central Park... the second highest total

measured.

To investigate and resolve the record precipitation issue at Central

Park... a team comprised of representatives from the National Weather

Service eastern region Headquarters... the National climatic data

center... the New York state climate office... the northeast regional

climate center... National Weather Service Headquarters and the

National Weather Service New York... N.Y... .weather forecast office

analyzed the 1983 precipitation data for both Central Park and

surrounding sites. The team also reviewed local service records and

climate logs and consulted with a former National Weather Service

employee who was involved in the 1983 decision at National Weather

Service eastern region Headquarters.

Given no documented record of a malfunction in the precipitation

gauge... and no clear evidence of erroneous observations when

compared to surrounding stations... the consensus of the team is that

the 80.56 inch annual precipitation value for 1983 at Central Park

is representative and that had an equipment malfunction

occurred... it would not have significantly affected the annual

precipitation total.

Further analysis of the 1983 precipitation data by the National

climatic data center resulted in a determination to certify the 1983

annual precipitation record at Central Park... thus making it

official. With a total of 72.81 inches of precipitation recorded at

Central Park last year... 2011 will officially be regarded as the

second wettest year on record at Central Park... with 1983 as the

wettest.

In summary for Central Park in Manhattan...

During 1983... 80.56 inches of precipitation occurred which was 30.62

inches above normal and is the official record for annual precipitation.

During 2011... 72.81 inches of precipitation occurred which was 22.87

inches above normal and is the second highest annual precipitation amount.

Precipitation records for Central Park date back to 1869.

Read more - http://w.po.st/share/entry/redir?publisherKey=underground&url=http%3A%2F%2Fwww.wunderground.com%2FUS%2FNY%2FIslip.html&title=Weather%20Forecast%20Islip%2C%20NY%20%7C%20Islip%20Weather%20%7C%20Wunderground&sharer=copypaste

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the park was the bullseye for thunderstorms that year...Diana Ross felt the fury of one such storm during a concert she gave in Central Park...I will try and post all the precipitation events for 1983 from all sights I can find for the city...Then we can see what the difference was for those events...I heard the guage was 10% to high but I don't know how they came about that figure...

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  • 1 year later...

2013 has 11.04" of precipitation so far in Central...about 2" below average...last year was the first year below 40" since 2002....we are on pace for another below 40" year..

 

NYC precipitation...
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"

 

1956-1965........36.87"........26.09".......46.39"

2002-2011........56.27"........45.21".......72.81"

2010's..............52.11"........38.51".......72.81" as of 12/31/14

1870-
2009................45.14"
1980-
2009................50.14"
1870-
1969................42.92"
1970-
2009................50.64"

...........................................................................................................................................
1826-1864 from Jamiaca N.Y...1865-1868- Central Park...
years.................ave..........lowest........highest
1826-1835.......37.95"........28.78"........55.67"
1836-1845.......36.67"........32.13"........44.57"
1846-1855.......39.50"........30.08"........46.40"
1856-1865.......41.30"........31.08"........59.68"
1866-1869.......48.57"........38.26"........57.40" 4yr ave...

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