condition mean min max 0 h after light 0.9571995 0.479239 1.43516 4 h after light 0.8857510000000001 0.471662 1.29984 8 h after light 0.7236125 0.473289 0.973936 4 h after dark 0.7849165 0.626448 0.943385 8 h after dark 0.710035 0.628201 0.791869 12 h after dark 0.552164 0.467337 0.636991