Table 1.

Average monthly temperature extremes and precipitation for Scarsdale, NY, approximately 20 mi from the research plots in Katonah, NY.z

MonthMinimum temperatureMaximum temperaturePrecipitation
°C°F°C°Fmmin
January−6.819.8  3.137.687.93.5
February−5.522.1  4.940.8732.9
March−1.429.510.150.2106.64.2
April  3.638.516.561.71014
May  8.747.722.772.9101.14
June13.756.727.28191.23.6
July16.962.429.885.61014
August16.361.328.783.7119.54.7
September12.153.824.576.1111.64.4
October  642.818.665.5883.5
November  1.835.212.354.1103.94.1
December−3.625.55.642.198.63.9