condition mean min max 0 h after light 3.78951 3.74552 3.8335 4 h after light 5.19456 5.13282 5.2563 8 h after light 15.75865 14.6556 16.8617 4 h after dark 13.810649999999999 12.9218 14.6995 8 h after dark 5.0546500000000005 4.93544 5.17386 12 h after dark 3.152715 2.93034 3.37509