I've been having a issue with the wavelet cache losing a lot of temperature data. The issue I found is with the no smaller than initial grid option. When I run my sims with this option unchecked I get temperature issues. Here are some comparisons. Hope this helps.
1. explosion default and wavelet tests are with it unchecked
2. explosion2 (phoenix explosion preset) with checked - (wavelet cache)
3. explosion3 (phoenix explosion preset) with unchecked - (wavelet cache)
1. explosion default and wavelet tests are with it unchecked
2. explosion2 (phoenix explosion preset) with checked - (wavelet cache)
3. explosion3 (phoenix explosion preset) with unchecked - (wavelet cache)