condition mean min max 4 h after light 145.116672 126.462826 163.770518 8 h after light 156.30167849999998 154.602069 158.001288 12 h after light 139.5956375 129.452118 149.739157 4 h after dark 202.609242 140.014101 265.204383 8 h after dark 215.039749 162.847441 267.232057 12 h after dark 162.847441 162.847441 162.847441