Survival times by temperature of water:

70–80° F (21–27° C): 3 hours – indefinitely

60–70° F (16–21° C): 2–40 hours

50–60° F (10–16° C): 1–6 hours

40–50° F (4–10° C): 1–3 hours

32.5–40° F (0–4° C): 30–90 minutes

<32° F (<0° C): Under 15–45 minutes