condition mean min max 4 h after light 5.586003333333334 5.42339 5.90359 8 h after light 5.4981 5.21965 5.86263 12 h after light 5.281463333333334 5.02113 5.53648 4 h after dark 5.465316666666666 5.32894 5.67022 8 h after dark 5.38112 5.003080000000001 5.7246 12 h after dark 5.6020900000000005 5.30049 6.10325