condition mean min max 4 h after light 0.0 0.0 0.0 8 h after light 0.02564334 0.0 0.0691679 12 h after light 0.0169332 0.0 0.0507996 4 h after dark 0.03471833333333333 0.0202317 0.0454145 8 h after dark 0.0 0.0 0.0 12 h after dark 0.013302133333333334 0.0 0.0399064