The table below gives the MEAN heat index forecast for days 3 through 7 at PHILADELPHIA_PA.
| MON | TUE | WED | THU | FRI | |
|---|---|---|---|---|---|
| JUL 29 | JUL 30 | JUL 31 | AUG 01 | AUG 02 | |
| MEAN HEAT INDEX | 80 F | 82 F | 85 F | 87 F | 89 F |
| PROBABILITY OF MEAN HEAT INDEX EXCEEDING: | |||||
| 100 F | 0 % | 0 % | 0 % | 1 % | 1 % |
| 95 F | 0 % | 1 % | 1 % | 6 % | 9 % |
| 90 F | 1 % | 6 % | 12 % | 30 % | 41 % |
| 85 F | 10 % | 28 % | 46 % | 68 % | 81 % |
| 80 F | 50 % | 66 % | 83 % | 93 % | 98 % |
| 75 F | 90 % | 92 % | 98 % | 99 % | 100 % |
| 70 F | 100 % | 99 % | 100 % | 100 % | 100 % |