condition mean min max 4 h after light 3.8359950000000005 3.53398 4.13801 8 h after light 2.57761 2.38519 2.77003 12 h after light 3.65153 3.26958 4.03348 4 h after dark 4.875360000000001 4.53375 5.21697 8 h after dark 5.381575 4.99674 5.76641 12 h after dark 5.262325000000001 4.95532 5.56933