condition mean min max 0 h after light 0.208544 0.138864 0.278224 4 h after light 0.8294914999999999 0.495223 1.16376 8 h after light 1.7018250000000001 1.34288 2.06077 4 h after dark 1.372645 1.23916 1.50613 8 h after dark 0.928922 0.478674 1.37917 12 h after dark 0.477065 0.208017 0.746113