condition mean min max 4 h after light 272.4893 268.4555 277.9954 8 h after light 225.76553333333334 193.8052 283.7786 12 h after light 146.7138 118.4141 189.6638 16 h after light 150.3888 141.4329 163.0533 4 h after dark 260.99036666666666 230.3252 293.0079 8 h after dark 156.3976 125.2387 181.7441