condition mean min max 2 h after light 1.221174 0.0 4.05078 6 h after light 0.8985744999999999 0.23277 1.7931 10 h after light 2.26548 1.23137 3.08937 14 h after light 2.8574016666666666 1.50727 6.94261 18 h after light 1.3210863333333334 0.663223 2.5412 2 h after dark 1.7538711666666666 0.680012 4.29621