On average, how many days per year have good enough weather for a space rocket launch (not ICBM) at Cape Canaveral?

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    $\begingroup$ What kind of rocket? They have different limits. Naval ICBMs launched from there had pretty wide weather rules. The shuttle, not so much. $\endgroup$ – Organic Marble Aug 27 '20 at 21:35
  • $\begingroup$ No ICBM space launches $\endgroup$ – Joe Jobs Aug 27 '20 at 21:48
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    $\begingroup$ No spy satellites or military comsats? Please define your requirements in the question. $\endgroup$ – Organic Marble Aug 27 '20 at 21:50
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    $\begingroup$ Sorry I corrected now. Military and spy satellites are fine, ICBM not $\endgroup$ – Joe Jobs Aug 27 '20 at 21:54
  • $\begingroup$ @OrganicMarble good point! Do smaller rockets require better weather at launch than larger ones? $\endgroup$ – uhoh Aug 27 '20 at 23:43

This table shows that for the 494 launch countdowns between October 1988 and August 2000 at the Eastern Test Range, there was a 10% chance of a weather related delay and an 18% chance of a weather related scrub.

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Source: Weather Support to the Space Shuttle: An Historical Perspective

  • $\begingroup$ Is there în that interval a season or a month with significantly less planned launches? That would imply such times are worse $\endgroup$ – Joe Jobs Aug 28 '20 at 10:47

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