condition mean min max 4 h after light 362.7 362.7 362.7 8 h after light 343.0 341.8 344.2 12 h after light 399.65 308.1 491.2 4 h after dark 389.15 377.2 401.1 8 h after dark 365.2 351.4 379.0 12 h after dark 288.9 286.7 291.1