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 0.0674685 0.0 0.134937 8 h after light 0.0355411 0.0 0.0710822 12 h after light 0.0392837 0.0 0.0785674 2 h after dark 0.0385212 0.0 0.0770424 4 h after dark 0.13355845 0.0686559 0.198461 8 h after dark 0.03870845 0.0 0.0774169 12 h after dark 0.0720655 0.0706596 0.0734714