condition mean min max 4 h after light 48.58355 47.4284 49.7387 8 h after light 32.3119 32.113 32.5108 12 h after light 32.2262 30.1689 34.2835 4 h after dark 38.851933333333335 37.1713 40.5371 8 h after dark 50.77896666666666 44.9276 59.9233 12 h after dark 61.62133333333333 59.0951 64.0727