condition mean min max 4 h after light 0.9180685 0.812537 1.0236 8 h after light 0.9191684999999999 0.801677 1.03666 12 h after light 0.7971775 0.716541 0.877814 4 h after dark 0.787766 0.767252 0.80828 8 h after dark 0.5594745000000001 0.557 0.561949 12 h after dark 0.9630970000000001 0.907074 1.01912