condition mean min max 3 h after light 0.0 0.0 0.0 6 h after light 0.0 0.0 0.0 9 h after light 0.036063 0.0 0.108189 12 h after light 0.1027998 0.0 0.229483 3 h after dark 0.05605993333333333 0.0 0.0871128 6 h after dark 0.17337366666666668 0.062032 0.250468 9 h after dark 0.023355 0.0 0.070065 12 h after dark 0.1186112 0.0 0.258532