| 100% | MEMORIALDAY | 11 | May event |
| 90% | INDY | 4 | May event, informally |
| 88% | INDY | 4 | May event, for short |
| 86% | DERBY | 5 | Annual May event |
| 84% | INDY | 4 | Annual May event, informally |
| 82% | INDY | 4 | Annual May event, for short |
| 81% | SWEEPS | 6 | May TV event |
| 79% | PROM | 4 | May school event, often |
| 79% | INDY | 4 | May sports event, familiarly |
| 79% | FINALS | 6 | May day events, perhaps |
| 78% | CANNES | 6 | Annual May event in France, __ Film Festival |
| 74% | SPACEDAY | 8 | National ___, annual May event celebrating the cosmos: 2 wds. |
| 74% | INDY | 4 | Annual May event for race car drivers, for short |
| 73% | TEST | 4 | Event that may be proctored |
| 73% | STORM | 5 | Event that might produce hail |
| 73% | SNOWSTORM | 9 | Event that might create banks |
| 71% | RODEO | 5 | Event where chaps may be seen |
| 71% | STAGPARTY | 9 | Event that may include blue films |
| 71% | ESTATESALE | 10 | Event that may feature family heirlooms |
| 71% | RACE | 4 | Event that may be three-legged |
| 71% | CAREERFAIR | 10 | Event whose attendees may carry résumés |
| 71% | TUPPERWAREPARTY | 15 | Event where there might be burping |
| 71% | PROM | 4 | Event where teenagers might wear corsages |
| 71% | PARTY | 5 | Event a shy person might dread |
| 71% | GAYPROM | 7 | Event that might be called "morp" |
| 71% | BIRTH | 5 | Event that might include an epidural |
| 70% | SALE | 4 | Event for which percentages may be specified |
| 70% | EMCEE | 5 | Event's host who may use 1d |
| 70% | PROM | 4 | Event teens may rent a limo for |
| 70% | RODEO | 5 | Event at which chaps may wear chaps |