condition mean min max 4 h after light 0.174573 0.161673 0.187473 8 h after light 0.3601585 0.25592 0.464397 12 h after light 0.140984 0.132677 0.149291 4 h after dark 0.18085600000000002 0.0 0.331836 8 h after dark 0.44253933333333334 0.3745 0.546847 12 h after dark 0.25613733333333333 0.128596 0.487092