condition mean min max 2 h after light 0.017700833333333332 0.0 0.106205 6 h after light 0.0130768 0.0 0.0784608 10 h after light 0.03836523333333333 0.0 0.148382 14 h after light 0.0 0.0 0.0 18 h after light 0.0221101 0.0 0.0695948 2 h after dark 0.015453383333333334 0.0 0.0927203