condition mean min max 2 h after light 0.1533085 0.0 0.400572 6 h after light 0.16143933333333332 0.0 0.333285 10 h after light 0.4309673333333333 0.0 0.859625 14 h after light 0.7858848333333334 0.480601 1.3234 18 h after light 0.7016185 0.310967 1.14417 2 h after dark 0.24923895000000001 0.0788101 0.440637