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The convention of the weather and climate community has been to calculate the observed daily mean temperature by summing the maximum and minimum instantaneous temperatures during a 24-hour period and dividing by two. However, does this recording method capture and represent the true average temperature over the course of a day? This conventional approach fails to integrate significant behaviors of temperature associated with rapid weather events, frontal passages, sea breezes, and even seasonal temperature variations. It is possible that sampling more frequently and finding a more representative value for daily temperature averages will reveal patterns in which the daily mean temperature skews towards the daily maximum or minimum (i.e., the full-day average temperature is more often closer to the daily maximum or the daily minimum).

Latest Extremes

City, State Temp
West Cape May, NJ 66
Seaside Heights, NJ 63
West Deptford, NJ 63
Jersey City, NJ 63
Pennsauken, NJ 63
City, State Temp
Walpack, NJ 48
Pequest, NJ 48
Hope, NJ 49
Basking Ridge, NJ 49
Hopewell Twp., NJ 50
most current information as of Jun 28 6:35 AM

Latest Conditions & Forecast

New Brunswick, NJ

Rutgers University Meteorology Program

54°F

Wind

0 mph from the WNW

Wind Gust

2 mph from the NW

Sunny
80 °F
Mostly Clear
60 °F
Mostly Sunny
86 °F
Partly Cloudy
68 °F
Partly Sunny then Slight Chance T-storms
90 °F
Slight Chance T-storms then Partly Cloudy
70 °F
Partly Sunny then Chance T-storms
89 °F
Chance T-storms
72 °F
Chance T-storms
88 °F
Partly Cloudy
69 °F
Mostly Sunny
88 °F
Mostly Cloudy
68 °F
Chance T-storms
86 °F

Today

Sunny, with a high near 80. Light northwest wind becoming west 6 to 11 mph in the morning.

Tonight

Mostly clear, with a low around 60. Southwest wind around 5 mph becoming calm in the evening.

Thursday

Mostly sunny, with a high near 86. Southwest wind 8 to 15 mph.

Thursday Night

Partly cloudy, with a low around 68. Southwest wind around 13 mph.

Friday

A slight chance of showers and thunderstorms after noon. Partly sunny, with a high near 90. Southwest wind 11 to 13 mph. Chance of precipitation is 20%.

Friday Night

A slight chance of showers and thunderstorms before 10pm. Partly cloudy, with a low around 70. Chance of precipitation is 20%.

Saturday

A chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 89. Chance of precipitation is 30%.

Saturday Night

A chance of showers and thunderstorms. Mostly cloudy, with a low around 72. Chance of precipitation is 50%.

Sunday

A chance of showers and thunderstorms. Partly sunny, with a high near 88. Chance of precipitation is 40%.

Sunday Night

Partly cloudy, with a low around 69.

Monday

Mostly sunny, with a high near 88.

Monday Night

Mostly cloudy, with a low around 68.

Independence Day

A chance of showers and thunderstorms. Partly sunny, with a high near 86. Chance of precipitation is 30%.

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Radar image
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Relentless Winter: February 2014 Summary and Winter 2013/14 Summary

March 4, 2014 - 12:00am -- Dave Robinson

Snow Cover Map

One of the more disruptive winters in recent decades continued during February, erasing the hopes of many for an early spring. Averaged across New Jersey, the monthly temperature of 29.5° was 4.3° below normal. This made for the 35th coldest February over the past 120 years and the coldest since 2007. Temperatures ranged from a low of -18° at Walpack in snow covered Sussex County valley on the 11th and 12th to a high of 67° at several southern locations on the 21st. The statewide average precipitation of 5.26" made for the 20th wettest February on record. This includes both rainfall and the liquid equivalent of frozen precipitation, and is 2.40" above normal. Snowfall averaged 21.9" across the state, which is 13.9" above normal and ranks as the 7th snowiest of the past 120 Februaries.

Cold and Snow: January 2014 Summary

February 1, 2014 - 12:00am -- Dave Robinson

The year began where 2013 left off, with the jet stream in an amplified, progressive pattern that resulted in frequent, pronounced fluctuations in temperature and multiple precipitation events. By late month, the pattern slowed, but remained amplified, locking NJ into over a week of bitter cold conditions. The statewide average temperature for January was 26.1°, which is 5.1° below the 1981-2010 average and ranks as the 17th coldest since 1895 (120 years). It was the coldest January since 2004. Precipitation in the form of rain, freezing rain, and melted snowfall averaged 3.09". This is 0.39" below normal and ranks as the 57th driest. Snowfall averaged 17.7", which is 10.6" above normal and ranks at the 8th snowiest January on record.

An Active Pattern: December and 2013 Annual Summary

January 1, 2014 - 12:00am -- Dave Robinson

Snowfall totals map from December 8th
The final month of 2013 proved to be a rather volatile one in the weather department. A smorgasbord of conditions included biting cold, record warmth, four snow events, and several soaking rainstorms. The statewide average temperature of 36.2° was 0.6° above normal, making it the 46th mildest December dating back 119 years to 1895. Not only were there major day-to-day fluctuations in temperature, as on several occasions temperatures varied by more than 40° from north to south Jersey. Precipitation in the form of rain and melted snow averaged 4.91" across NJ. This is 1.00" above normal and is the 26th wettest on record. Snowfall averaged 9.2", which is 4.3" above normal and the 31st snowiest December.

A December Warm Spell for the Record Books

December 24, 2013 - 12:00am -- Dave Robinson

Temperature map

It wasn't just chestnuts that were roasting in New Jersey several days before Christmas this year. In fact it may be that coal noses on rapidly shrinking snowmen were igniting as a snowy spell from the 8th to 18th quickly transitioned to some unusually warm conditions.

Woodbine (Cape May County), Toms River (Ocean), and Berkeley Township (Ocean) shared top honors on Sunday the 22nd when the thermometer topped out at 73°. Maximum temperatures reached from 70° to 72° at 22 of the 55 NJ Weather and Climate Network stations. Only High Point Monument (Sussex), Hope (Warren), and Harvey Cedars (Ocean) managed to stay out of at least the 60s on the 22nd, with all three locations reaching 59°. Daily records were established at a number of long-term observing stations. For instance highs at Newark (Essex) on the 21st and 22nd of 64° and 71° beat former daily records by 3° and 6°, respectively.

Winter 2013/14: Round One

December 18, 2013 - 12:00am -- Dave Robinson

NASA MODIS satellite imagery

Following a mild six days of December, when a number of locations approached or exceeded the 50° mark for highs, the bottom fell out of the thermometer. From the 7th through the 18th most of the northern half of the state failed to reach 40°, while southern locations only saw milder highs on the 14th, early on the 15th, and on the 17th. This includes the first sub-zero observation of the winter, when -1° was reached at Walpack (Sussex County) on the 17th and again on the 18th.

Encroaching Drought?: November and Fall 2013 Summary

December 1, 2013 - 12:00am -- Dave Robinson

Dry reservoir photo

The first statewide nor'easter of the season on the 26th-27th provided much needed rainfall and kept the month from becoming one of the driest on record. Storm specifics are found below, confirming that this event accounted for the bulk of the statewide monthly average of 2.83" and at least temporarily staved off worsening drought conditions. This was 0.81" below the 1981-2010 normal and ranked as the 52nd driest of the past 119 years. Temperatures seesawed a fair bit but overall, colder than average conditions prevailed for the second consecutive November. The statewide average of 43.0° was 2.6° below normal and tied with 1906, 1919, 1940 and 1986 as the 36th coolest on record. Rather frequent frontal passages resulted in winds gusting to 40 mph or greater on twelve November days.

Pre-Thanksgiving Soaking

November 28, 2013 - 12:00am -- Dave Robinson

Snow photo

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A Tranquil October (Imagine That!): October 2013 Summary

November 4, 2013 - 12:00am -- Dave Robinson

Damage from tornado in Paramus on October 7th. Photo Credit: Michael Harger
Following the past two October 29ths, it was wonderful to see sunny skies and seasonable maximum temperatures ranging from the mid to upper 40°s in the northwest to the low to mid 60°s in south this 29th. As a matter of fact, aside from a strong frontal passage blowing through the north on the 7th and a stubborn coastal storm impacting the south from the 9th-12th, conditions were quite tranquil throughout most of October 2013. A summer-like first week was the major contributor to the statewide monthly average temperature of 57.1° coming in 2.3° above normal. This ties with 1950 and 1951 as the 20th mildest October since statewide records commenced in 1895.

October begins with record warmth, a tornado, and strong winds

October 9, 2013 - 12:00am -- Dan Manzo

Damage from tornado in Paramus

The first week of October was nothing but bizarre, or at least to most New Jerseyeans it seemed that way. The period included unseasonably warm weather, heavy rain, strong winds and even a tornado. It was all credited to a stationary front that held in position in Southern New York, which allowed warm air to enter the Garden State. The warm air was later pushed out, when a sharp and potent cold front from the Midwest set off severe storms and heavy rain in parts of the area.

Cool and Dry Conditions Prevail: September 2013 Summary

October 1, 2013 - 12:00am -- Dave Robinson

Seaside Heights fire

September 2013 was the second consecutive month with the statewide average temperature coming in below normal. The 64.4° average was 1.8° below the 1981-2010 average. This ranks as the 40th coolest September since 1895, tied with 1920 and 1922, and the coolest since 1994.

Statewide precipitation averaged 2.40" in September. This is 1.67" below average and ranks as the 30th driest on record, tied with 1910. This is the first month since this past May with below-average precipitation.

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