condition mean min max 4 h after light 3.662315 3.52032 3.80431 8 h after light 3.483965 3.43321 3.53472 12 h after light 3.4159550000000003 3.01988 3.81203 4 h after dark 4.436353333333333 3.81591 5.17613 8 h after dark 6.734396666666667 6.63455 6.93294 12 h after dark 6.544433333333333 5.61081 7.19623