Dimm Seeing Statistics by Month
Site |
Paranal |
---|
Year |
2025 |
Units |
arcsecs |
Percentiles |
5% |
10% |
15% |
20% |
25% |
50% |
75% |
90% |
95% |
97.5% |
99% |
99.5% |
mean |
std |
N |
---|
JAN |
0.45 |
0.51 |
0.54 |
0.58 |
0.60 |
0.75 |
0.97 |
1.23 |
1.39 |
1.53 |
1.70 |
1.82 |
0.82 |
0.29 |
12337 |
---|
FEB |
0.45 |
0.50 |
0.54 |
0.57 |
0.61 |
0.79 |
1.02 |
1.30 |
1.52 |
1.75 |
2.08 |
2.29 |
0.86 |
0.35 |
10847 |
---|
MAR |
0.39 |
0.43 |
0.47 |
0.50 |
0.53 |
0.67 |
0.87 |
1.12 |
1.31 |
1.52 |
1.81 |
2.04 |
0.74 |
0.30 |
13141 |
---|
APR |
0.32 |
0.38 |
0.42 |
0.46 |
0.48 |
0.62 |
0.81 |
1.10 |
1.36 |
1.60 |
1.81 |
1.96 |
0.69 |
0.32 |
11754 |
---|
MAY |
0.32 |
0.38 |
0.42 |
0.45 |
0.48 |
0.61 |
0.77 |
0.98 |
1.18 |
1.43 |
1.96 |
2.22 |
0.66 |
0.30 |
13902 |
---|
JUN |
0.35 |
0.42 |
0.47 |
0.51 |
0.54 |
0.73 |
1.06 |
1.56 |
1.88 |
2.06 |
2.25 |
2.35 |
0.87 |
0.45 |
10304 |
---|
JUL |
0.36 |
0.41 |
0.44 |
0.47 |
0.50 |
0.62 |
0.83 |
1.16 |
1.35 |
1.52 |
1.74 |
1.94 |
0.71 |
0.31 |
13136 |
---|
AUG |
0.43 |
0.48 |
0.53 |
0.57 |
0.61 |
0.78 |
1.03 |
1.44 |
1.73 |
1.95 |
2.17 |
2.29 |
0.88 |
0.39 |
9488 |
---|
SEP |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
---|
OCT |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
---|
NOV |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
---|
DEC |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
---|
Annual |
0.38 |
0.44 |
0.48 |
0.51 |
0.54 |
0.70 |
0.92 |
1.24 |
1.46 |
1.67 |
1.94 |
2.11 |
0.78 |
0.34 |
94909 |
---|