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NJ Precipitation and Temperature departures
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This state summary was produced to meet a demand for state-level information in the wake of the Third U.S. National Climate Assessment. The summary covers assessment topics directly related to NOAA’s mission, specifically historical climate variations and trends, future climate model projections of climate conditions during the 21st century, and past and future conditions of sea level and coastal flooding.

Click on the above link to view a list of publications that focus on the weather and climate of a particular state or region. Included are 164 references for 42 states! The earliest is from 1847.

Examine a century's worth of weather observations from locations around the state.

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Record Warmth Returns:
April 2017 Recap

Dr. David A. Robinson
New Jersey State Climatologist
May 5, 2017

Following a March with the first substantially below-average monthly temperature anomaly in NJ in over a year, April brought a return to record warmth last seen in February. With a statewide average of 56.0°, the month was 5.1° above the 1981–2010 mean. This ranked as the warmest April since statewide records commenced in 1895. Five of the top 10 and nine of the top 20 mildest Aprils of the past 123 years have occurred since 2002. With the warmth of January, February, and April hardly balanced by the colder March, this year is off to the 4th warmest start on record. Only January–April averages in 2012, 1998, and 2002 were higher, and five of the eight mildest such intervals in the past 123 years have been since 2002. The 12-month period from May 2016 through April 2017 was the third warmest on record at 55.5°. It was only surpassed by May 2011–April 2012 (56.5°) and 2015–2016 (56.2°). Twelve of the 15 warmest such intervals of the past 123 years have occurred since 1999, the others being in 1931–1932 (#10), 1990–1991 (#11), and 1991–1992 (#14).

Precipitation averaged 3.87” across NJ, which was 0.12” below normal. This includes the heavy rain that fell on March 31st after approximately 7AM, as most of the National Weather Service (NWS) Cooperative stations that are used to compute statewide averages include post-7AM rain in the report dated the next day (see the March report for information regarding this storm). This ranks as the 45th wettest April since 1895.


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