condition mean min max 4 h after light 367.7 367.7 367.7 8 h after light 278.2 272.9 283.5 12 h after light 253.39999999999998 228.9 277.9 4 h after dark 393.2 244.6 541.8 8 h after dark 373.4 361.9 384.9 12 h after dark 363.45 307.2 419.7