condition mean min max 4 h after light 4.795626666666666 4.74184 4.83531 8 h after light 4.76354 4.7032099999999994 4.8506800000000005 12 h after light 4.8317033333333335 4.67857 4.97412 4 h after dark 4.8447000000000005 4.7583 4.94081 8 h after dark 4.78916 4.44701 5.02776 12 h after dark 4.9677533333333335 4.77947 5.33374