condition mean min max 4 h after light 0.0177795 0.0177104 0.0178486 8 h after light 0.01446095 0.0 0.0289219 12 h after light 0.029374900000000002 0.023427 0.0353228 4 h after dark 0.054475499999999996 0.0463107 0.0626403 8 h after dark 0.0906168 0.0738856 0.107348 12 h after dark 0.021644049999999998 0.0128244 0.0304637