Thermo-Sudoku by Philip Newman
(This post is part of the Genuinely Approachable Sudoku (GAS) series.)
Under certain circumstances, temperatures near Earth’s surface can become cooler overnight than temperatures at higher altitudes, a phenomenon known as a nocturnal inversion. In this October puzzle, the thermometers are heating up as the Northern Hemisphere is cooling down.
or solve online (using SudokuPad)
Theme: Octurnal Inversion
Author/Opus: This is the 165th puzzle from Philip Newman, part of the Genuinely Approachable Sudoku (GAS) team.
Rules: Standard Sudoku rules (insert a number from 1 to 9 into each cell so that no number repeats in any row, column, or bold region). Some thermometer shapes are in the grid; numbers must be strictly increasing from the round bulb to the flat end.
GAS Time Standards (highlight to view): Two party hats (🎩🥳): 8:00; One party hat (🥳): 15:00. All other solvers earn a 🦕: Charismatic Cathartesaura.
Thomas Hits the GAS (highlight to view): 3:33, with SudokuPad replay file shared as a download for now (requires loading via settings menu with improvements expected before people should use this regularly).
Solution: PDF
Note: Follow this link for more Thermo-Sudoku puzzles. If you are new to this puzzle type, here are our easiest Thermo-Sudoku to get started on. More Thermo-Sudoku puzzles can be found in these books in our e-store. Also, visit this page to purchase all of the puzzles from the 16th World Sudoku Championship including some Thermo-Sudoku.
Note 2: Comments on the blog are great! For a more interactive discussion, please also consider using our Daily GAS discussion post on the GMPuzzles Discord. Not a member of the Discord? Click this link for basic access.