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 0.02117295 0.0 0.0423459 8 h after light 0.0 0.0 0.0 12 h after light 0.0 0.0 0.0 2 h after dark 0.021453 0.0 0.042906 4 h after dark 0.02078555 0.0 0.0415711 8 h after dark 0.0 0.0 0.0 12 h after dark 0.0222434 0.0 0.0444868