condition mean min max 0 h after light 2.20977 2.03549 2.38405 4 h after light 2.015015 1.65607 2.37396 8 h after light 2.3395200000000003 2.22464 2.4544 4 h after dark 2.8998749999999998 2.68734 3.11241 8 h after dark 2.70554 2.55613 2.85495 12 h after dark 2.595655 2.39257 2.79874