condition mean min max 4 h after light 214.4376135 208.539749 220.335478 8 h after light 206.56836800000002 181.709496 231.42724 12 h after light 227.04655150000002 218.322585 235.770518 4 h after dark 207.239824 174.133758 240.34589 8 h after dark 229.77920999999998 181.306707 278.251713 12 h after dark 177.028888 177.028888 177.028888