Is speed an issue?
Temp the product sees?
If you don’t suck so hard you can condense warmer.
If temp product sees isn’t an issue you can bump temp to get your speed back up.
The link @Phytoalchemy shares to a nomograph generator here might be informative Thoughts on this chiller for a 20L rotovap? - #33 by Phytoalchemy
Allows you to investigate the bp at various Pressures.
Searching on Antoine equation will also get you this information
Edit: I prefer this calculator;
http://ddbonline.ddbst.com/AntoineCalculation/AntoineCalculationCGI.exe