condition mean min max 4 h after light 2.2678666666666665 1.20488 3.34835 8 h after light 1.7615589999999999 0.455247 3.23981 12 h after light 1.84935 1.04443 2.53485 4 h after dark 2.17292 1.3382 2.94509 8 h after dark 2.0803333333333334 1.7041 2.44077 12 h after dark 3.1197500000000002 2.93512 3.33442