condition mean min max 4 h after light 0.0 0.0 0.0 8 h after light 0.43014050000000004 0.345034 0.515247 12 h after light 0.15732 0.0 0.31464 4 h after dark 0.6915015 0.557972 0.825031 8 h after dark 0.411019 0.275631 0.546407 12 h after dark 0.499826 0.456936 0.542716