condition mean min max 4 h after light 72.20842333333333 62.14281999999999 81.3172 8 h after light 67.57494 59.247240000000005 73.16187 12 h after light 62.035853333333336 43.78572 87.24979 16 h after light 137.12481333333335 80.27149 233.7647 4 h after dark 84.19141 69.70628 94.51624 8 h after dark 51.436793333333334 40.504670000000004 60.930659999999996