condition mean min max 0 h after light 0.0 0.0 0.0 2 h after light 0.0 0.0 0.0 4 h after light 0.0 0.0 0.0 8 h after light 0.0 0.0 0.0 12 h after light 0.0429745 0.0 0.085949 2 h after dark 0.0 0.0 0.0 4 h after dark 0.0375531 0.0 0.0751062 8 h after dark 0.0 0.0 0.0 12 h after dark 0.0386491 0.0 0.0772982