condition mean min max 4 h after light 1.0607625 0.899135 1.22239 8 h after light 0.9983460000000001 0.910792 1.0859 12 h after light 0.960216 0.808512 1.11192 4 h after dark 0.7787853333333333 0.699018 0.903673 8 h after dark 1.78358 1.72104 1.90179 12 h after dark 1.5477466666666666 1.08332 1.90555