Beginner puzzle (suitable for people who are new to puzzle solving).
To allow new users to solve this puzzle and earn reputation points, I encourage all users whose reputation is 200 or more to not post an answer until 48 hours after this question is posted. Thank you!
Fill the empty squares with numbers so that every row, column and irregularly shaped region contains all the numbers 1, 2, 3, 4 and 5 each exactly once.
Numbers placed in squares overlaid by the blue thermometer must strictly increase in value from the circular bulb to the other end.
