| Number | Meaning |
|---|---|
| 0 |
Unweighted Mean of All Members |
| 1 |
Weighted Mean of All Members |
| 2 |
Standard Deviation with respect
to Cluster Mean |
| 3 |
Standard Deviation with respect
to Cluster Mean, Normalized |
| 4 |
Spread of All Members |
| 5 |
Large Anomaly Index of All
Members (see note below) |
| 6 |
Unweighted Mean of the Cluster Members |
| 7-191 |
Reserved |
| 192-254 |
Reserved for Local Use |
| 255 | Missing |
| Notes: 1. Large anomaly index is defined as {(number of members whose anomaly is higher than 0.5*SD) - (number of members whose anomaly is lower than -0.5*SD)}/(number of members) at each grid point. SD is the observed climatological standard deviation. |