condition mean min max 4 h after light 798.0213725 345.170905 1250.87184 8 h after light 1207.4007025 1121.449685 1293.35172 12 h after light 1016.8538389999999 853.24384 1180.463838 4 h after dark 530.5403180000001 357.697093 703.383543 8 h after dark 401.03680299999996 384.469929 417.603677 12 h after dark 188.88507 188.88507 188.88507