condition mean min max 4 h after light 9.6969095 9.213958 10.179861 8 h after light 10.495257500000001 9.900072 11.090443 12 h after light 11.746678 11.047486 12.44587 4 h after dark 10.011322 9.900072 10.122572 8 h after dark 9.4654335 8.031536 10.899331 12 h after dark 9.469246 9.469246 9.469246