When does one begin saying 'Mashiv HaRuach U'Morid HaGeshem' (mentioning wind and rain) in the prayer cycle?

Is it permitted for an individual to mention rain before the prayer leader (chazan) makes an announcement or begins saying it?

3 opinions

If one said 'Mashiv HaRuach' (wind) in the hot season or failed to say it in the rainy season, must one return to correct it?

3 opinions

If one mentioned rain in the hot season (when it is not appropriate), what is the consequence and where must one return?

2 opinions

In the rainy season, if one did not mention rain, must one return?

1 opinions

Under what circumstances must one actually return to the beginning of the prayer (versus just to the blessing) when one forgot to mention rain?

2 opinions

If one intentionally (b'mezid) mentions rain at the wrong time, is the consequence different from inadvertent error (b'shogag)?

1 opinions

If one is uncertain in the hot season whether one mentioned rain, and uncertainty continues throughout a 30-day period, what is the presumption?

2 opinions

After saying the blessing with rain mention 90 times (corresponding to 30 days × 3 prayers/day) on the first day of Pesach, what presumption applies if one later doubts whether rain was mentioned?

2 opinions