condition mean min max 4 h after light 0.0 0.0 0.0 8 h after light 0.0099114 0.0 0.0198228 12 h after light 0.0231003 0.0 0.0462006 4 h after dark 0.06812436666666666 0.0273846 0.111774 8 h after dark 0.08057656666666667 0.0289739 0.135385 12 h after dark 0.009002466666666667 0.0 0.0270074