condition mean min max 0 h after light 0.321387 0.0 0.642774 4 h after light 1.76878 1.73968 1.79788 8 h after light 0.8026655 0.65314 0.952191 4 h after dark 0.473555 0.472621 0.474489 8 h after dark 1.4304885 0.789907 2.07107 12 h after dark 0.0783515 0.0 0.156703