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January has a normal mean temperature of 39.2 °F (4.0 °C), but temperatures reach freezing on an average 71 days and fail to rise above freezing on an average 8.3 days, and, with an average in December through February of 6.3 days reaching 70 °F (21 °C), warm spells are common and most winters see the thermometer rise that high. The last ...
Normal monthly mean temperatures range from 54.2 °F (12.3 °C) in January to 82.5 °F (28.1 °C) in July; high temperatures average 65.5 to 91.9 °F (18.6 to 33.3 °C) throughout the year. [85] The city of Jacksonville usually averages only about 10 to 15 nights at or below freezing. Such cold weather is usually short-lived. [87]
The water temperature averages 81.7 °F (27.6 °C) in August to 53.4 °F (11.9 °C) in February, and usually is never above 85 °F (29 °C) or below 50 °F (10 °C), though due to the island's proximity to Cape Hatteras, where the warm Gulf Stream and the cold Labrador Current meet, water temperatures commonly fluctuate year round. The ocean is ...
[191]: 26, 46, 52 The mean daily temperature ranges from 19.8 °C to 36.7 °C. [192] Mean annual temperatures range from 25.0 to 27.5 °C in the coastal lowlands to 20.0–22.5 °C in the eastern highlands.
The monthly daily average temperature in January is −2.7 °C (27.1 °F), while in July it is 27.2 °C (81.0 °F). Precipitation averages around 528.0 mm (20.8 in) annually ( Haidian and Chaoyang has an average annual precipitation of 584.2 mm (23.0 in)), with close to three-quarters of that total falling from June to August.
The difference between the influenza mortality age distributions of the 1918 epidemic and normal epidemics. Deaths per 100,000 persons in each age group, United States, for the interpandemic years 1911–1917 (dashed line) and the pandemic year 1918 (solid line).
[65] [66] The actual temperatures are not known, because the size of the hot spots could not be measured, but are likely to have been in the 800–1,100 K (527–827 °C; 980–1,520 °F) range, relative to a normal temperature of 740 K (467 °C; 872 °F). [67]
Under normal conditions, sulfur atoms form cyclic octatomic molecules with the chemical formula S 8. Elemental sulfur is a bright yellow, crystalline solid at room temperature. Sulfur is the tenth most abundant element by mass in the universe and the fifth most common on Earth.