Table 1. Polyphenol and antioxidant content in the 100 richest foods (mg per 100 g or mg per 100 ml) Next table | Figures and tables index. Abbreviation: AE, (polyphenols as) aglycone equivalents. Sum of the content of individual polyphenols as determined by chromatography and of proanthocyanidin oligomers as determined by direct-phase high-performance liquid chromatography. Determined by the Folin assay.
Mean annual temperatures across the State range from 54.0 Â° F in northern New Castle County to 58.1 Â° F along the Atlantic coast of southern Delaware. Average annual precipitation is approximately 45â statewide.
The average length of the growing season based on minimum temperatures higher than 32 F, ranges from about 175 to 195 days. The lowest temperature of record for Delaware is -17 F, at Millsboro on January 17, 1893, came in a month which is quite likely the coldest ever known in Delaware and surrounding areas. Record Coldest year in Delaware - 1904 / Avg temperature 51.35 degrees. 2  Delaware average Summer temperature (June, July, August) - 74.2 F degrees, 16th warmest U.S. summer state. 3  Delaware average Winter temperature (December, January, February) - 36.1 F degrees, 34th coldest U.S. winter state.