Dimm Seeing Statistics by Month

     Site        Paranal  
Year 2024
Units arcsecs
Percentiles 5% 10% 15% 20% 25% 50% 75% 90% 95% 97.5% 99% 99.5% mean std N
JAN 0.36 0.40 0.43 0.46 0.49 0.64 0.83 1.11 1.36 1.57 1.82 1.96 0.71 0.31 11113
FEB 0.43 0.47 0.50 0.52 0.54 0.69 0.91 1.20 1.40 1.57 1.79 1.98 0.77 0.31 7902
MAR 0.41 0.46 0.50 0.53 0.56 0.72 0.94 1.20 1.40 1.59 1.82 1.97 0.78 0.31 11760
APR 0.36 0.40 0.43 0.45 0.48 0.59 0.78 0.99 1.14 1.35 1.65 1.87 0.66 0.27 10752
MAY 0.38 0.43 0.48 0.51 0.54 0.70 0.93 1.22 1.44 1.60 1.81 1.96 0.77 0.32 8783
JUN 0.33 0.37 0.41 0.44 0.47 0.61 0.81 1.10 1.28 1.48 1.71 1.89 0.68 0.30 8364
JUL 0.40 0.46 0.50 0.54 0.57 0.73 0.95 1.29 1.58 1.85 2.17 2.29 0.81 0.37 9143
AUG 0.49 0.55 0.60 0.65 0.68 0.84 1.05 1.28 1.44 1.58 1.75 1.86 0.81 0.37 9816
SEP 0.49 0.53 0.57 0.59 0.62 0.78 1.05 1.40 1.66 1.88 2.11 2.24 0.89 0.37 12554
OCT 0.49 0.53 0.57 0.59 0.62 0.78 1.05 1.40 1.66 1.88 2.11 2.24 0.71 0.27 11601
NOV 0.42 0.46 0.49 0.52 0.54 0.64 0.79 0.99 1.15 1.32 1.55 1.72 0.70 0.24 11607
DEC 0.41 0.45 0.48 0.51 0.53 0.64 0.78 0.97 1.11 1.24 1.39 1.49 0.68 0.22 11633
Annual 0.39 0.44 0.48 0.51 0.54 0.68 0.89 1.16 1.37 1.57 1.83 2.00 0.73 0.31 125022