In the beginning of morning astronomical twilight and at the end of astronomical twilight in the evening, sky illumination is very faint, and might be undetectable. Highs in the mid 50s. The time period when the sun is no more than 6 degrees below the horizon at either sunrise or sunset. Lows in the lower 50s. Highs in the upper 60s. .
One still should be able to carry on ordinary outdoor activities. S weather stations for the period of time from 1980 to 2010. The time period when the sun is between 12 and 18 degrees below the horizon at either sunrise or sunset. Please note, the actual heating cost and cooling cost are also dependent on other factors specific to individual residences such as the size of the house, the insulation condition, and the equipment efficiency, etc. Highs in the upper 60s. Lows in the mid 40s.
Highs in the lower 60s. Cooler with lows in the lower 40s. The humidity and wind speed information were calculated from data from 15,000 worldwide stations for the period of time from 1980 to 2010. Chance of rain 50 percent. North winds 5 to 10 mph. They were calculated based on the average temperate and duration of the hot and cold days for the area.
South winds 5 to 10 mph. East winds around 5 mph shifting to the southeast after midnight. Highs in the upper 60s. The horizon should be clearly defined and the brightest stars should be visible under good atmospheric conditions i. South winds 5 to 10 mph. Not as cool with lows in the mid 50s. Lows in the mid 50s.
The sun does not contribute to the illumination of the sky before this time in the morning, or after this time in the evening. South winds around 5 mph. . . . . .
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