| 2025-05-21 | Cause of some turbulent weather |
| 2024-09-28 | Current influencer |
| 2023-05-21 | Cause of warming tropical seas |
| 2023-01-15 | Pacific weather phenomenon |
| 2022-10-30 | Pacific harbinger of wet West Coast weather |
| 2022-09-01 | Current phenomenon |
| 2022-04-16 | Current weather concern? |
| 2021-11-20 | Pacific Ocean phenomenon |
| 2021-10-06 | Current event? |
| 2021-06-14 | Pacific weather phenomenon |
| 2020-03-26 | Current event? |
| 2019-03-16 | Phenomenon associated with the Southern Oscillation |
| 2019-03-06 | Current event? |
| 2019-02-11 | Pacific weather phenomenon |
| 2018-10-11 | Producer of rain |
| 2018-09-11 | Pacific current that causes odd weather |
| 2018-06-02 | Weather phenomenon portrayed by Chris Farley on "S.N.L." |
| 2018-01-22 | Pacific source of unusual weather |
| 2017-12-18 | Pacific source of odd weather |
| 2017-02-28 | Weather concern in 11-Down |
| 2016-10-05 | Pacific Ocean phenomenon |
| 2016-01-21 | Weather phenomenon named for baby Jesus |
| 2015-11-08 | Climate-affecting current |
| 2015-09-29 | Cause of aberrant weather |
| 2015-06-15 | Pacific weather phenomenon |
| 2014-04-13 | Pacific current event? |
| 2014-03-10 | Pacific weather phenomenon |
| 2013-12-01 | Cause of weather weirdness |
| 2012-12-03 | Pacific weather phenomenon |
| 2012-11-10 | Current event? |
| 2012-01-01 | Weather Channel newsmaker |
| 2011-11-16 | Phenomenon named for the infant Jesus |
| 2011-11-05 | Current event around Christmas? |
| 2011-10-16 | Phenomenon associated with the Southern Oscillation |
| 2011-07-07 | Cause of weather extremes |
| 2010-12-07 | Weather-affecting current |
| 2010-08-23 | Pacific weather phenomenon |
| 2010-05-23 | Cause of some storms |
| 2010-03-03 | Meteorological phenomenon |
| 2009-09-12 | Current source of problems? |
| 2009-05-10 | Weather changer |
| 2009-03-24 | Cause of weird weather |
| 2008-01-25 | Weather Channel topic |
| 2007-09-12 | Cause of weird weather |
| 2007-08-22 | Cause of odd weather |
| 2006-08-30 | Weather phenomenon |
| 2006-04-02 | It was named for the infant Jesus |
| 2006-03-06 | Pacific weather phenomenon |
| 2005-10-19 | Cause of weird weather |
| 2005-02-27 | Weather Channel topic |
| 2003-09-22 | Pacific weather phenomenon |
| 2003-09-07 | Current event? |
| 2003-08-13 | Pacific phenomenon |
| 2002-09-11 | Cause of strange weather |
| 2002-06-05 | Weather changer |
| 2001-12-20 | Weather newsmaker |
| 2001-09-30 | Weather warmer |
| 2001-08-25 | Cause of some droughts |
| 2001-06-08 | Source of current events? |
| 2000-03-11 | Pacific phenomenon |
| 1999-09-23 | Climate affecter |
| 1999-03-13 | Weather whipping boy |
| 1998-11-29 | Climatology subject |
| 1998-09-24 | Storm's cause, maybe |
| 1998-08-02 | Weather whipping boy |
| 1998-05-03 | Meteorological menace |
| 1998-04-12 | Winter 1997-98 newsmaker |
| 1998-03-25 | Headline-making weather phenomenon |
| 1997-09-04 | December ocean phenomenon |
| 1996-10-13 | West Coast weather factor |
| 1996-07-21 | Periodic weather disruption |