to me that sounds like worms. not to scare you or anything but i would go to the doctor right away even thought it may be embarressing. and also . if your faeces are bloody go or call doctor...
98.6F orally is the classic answer. Temperature varies throughout the day, lower in the morning and higher in the late afternoon. Temperatures over 100.4F are considered fevers.
Suppose you could call it the Gaussian Distribution or the Laplace-Gauss (not to be confused with the Laplace distribution which takes an absolute difference from the mean rather than a squared...