condition mean min max 4 h after light 0.0 0.0 0.0 8 h after light 0.0 0.0 0.0 12 h after light 0.003945335 0.0 0.00789067 4 h after dark 0.0 0.0 0.0 8 h after dark 0.0032989933333333332 0.0 0.00989698 12 h after dark 0.0015375433333333335 0.0 0.00461263