Jefferson City Threshold Days by Year
16 fixed thresholds counted per year at Jefferson City (USC00404613): hot days, frost, tropical nights and heavy rain, with the most days in a year.
Key Facts for Jefferson City Thresholds
- Jefferson City: days with 10 mm (0.39 in) or more of precipitation in 29 years, most in 2009 with 59.
- Jefferson City: days with 25 mm (0.98 in) or more of precipitation in 29 years, most in 1997 with 17.
- Jefferson City: days with 50 mm (1.97 in) or more of precipitation in 21 years, most in 1991 with 5.
- Jefferson City: nights with a minimum temperature at or below 0 C (32 F) in 19 years, most in 1988 with 115.
- 16 fixed thresholds have at least one qualifying day at Jefferson City.
Days at or above 30 C (86 F)
16 years with a qualifying day| Year | Days | Decade average |
|---|---|---|
| 1982 | 64 | 67.3 |
| 1987 | 77 | 67.3 |
| 1988 | 61 | 67.3 |
| 1991 | 46 | 49.3 |
| 1995 | 58 | 49.3 |
| 1997 | 44 | 49.3 |
| 2000 | 71 | 67.6 |
| 2001 | 62 | 67.6 |
| 2002 | 99 | 67.6 |
| 2003 | 41 | 67.6 |
| 2004 | 32 | 67.6 |
| 2005 | 95 | 67.6 |
| 2006 | 71 | 67.6 |
| 2007 | 100 | 67.6 |
| 2008 | 69 | 67.6 |
| 2009 | 36 | 67.6 |
| Year | First date | Last date |
|---|---|---|
| 1982 | 1982-05-12 | 1982-10-06 |
| 1987 | 1987-05-26 | 1987-09-10 |
| 1988 | 1988-05-22 | 1988-08-28 |
| 1991 | 1991-05-26 | 1991-10-24 |
| 1995 | 1995-04-10 | 1995-09-13 |
| 1997 | 1997-06-21 | 1997-09-20 |
| 2000 | 2000-04-21 | 2000-09-21 |
| 2001 | 2001-04-11 | 2001-09-10 |
| 2002 | 2002-04-17 | 2002-10-05 |
| 2003 | 2003-05-11 | 2003-09-03 |
| 2004 | 2004-05-22 | 2004-09-07 |
| 2005 | 2005-06-06 | 2005-10-06 |
| 2006 | 2006-05-27 | 2006-09-19 |
| 2007 | 2007-05-01 | 2007-10-09 |
| 2008 | 2008-06-04 | 2008-09-15 |
| 2009 | 2009-04-27 | 2009-08-27 |
Every Fixed Threshold
| Threshold | Years with a qualifying day | Most days in a year | Year | Latest year days |
|---|---|---|---|---|
| 30 C (86 F): Days | 16 | 100 | 2007 | 36 |
| 35 C (95 F): Days | 9 | 14 | 1988 | 1 |
| 90 F (32.2 C): Days | 16 | 52 | 2005 | 6 |
| 0 C (32 F): Ice days (max | 16 | 11 | 2000 | 8 |
| 0 C (32 F): Frost days (min | 19 | 115 | 1988 | 102 |
| -10 C (14 F): Days with min | 19 | 23 | 2000 | 14 |
| -20 C (-4 F): Days with min | 4 | 2 | 1982 | 3 |
| -30 C (-22 F): Days with min | 1 | 0 | n/a | 1 |
| 20 C (68 F): Tropical nights (min | 19 | 26 | 1988 | 4 |
| 25 C (77 F): Days with min | 3 | 2 | 1987 | 2 |
| 10 mm (0.39 in): Days with 10 mm or more rain | 29 | 59 | 2009 | 59 |
| 25 mm (0.98 in): Days with 25 mm or more rain | 29 | 17 | 1997 | 13 |
| 50 mm (1.97 in): Days with 50 mm or more rain | 21 | 5 | 1991 | 4 |
| 100 mm (3.94 in): Days with 100 mm or more rain | 4 | 1 | 1997 | 1 |
| 10 cm (3.9 in): Days with 10 cm or more snowfall | 9 | 2 | 1987 | 1 |
| 25 cm (9.8 in): Days with 25 cm or more snowfall | 2 | 1 | 1987 | 1 |
Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1982.
Download the Data
Source: NOAA National Centers for Environmental Information, Global Historical Climatology Network Daily (GHCN-Daily). Records are computed by World Extreme Weather Monitor and are not official NOAA products. (US Government open data (NOAA NCEI)) Data as of 2026-10-15 (15 October 2026). Threshold counts are computed by this site.
Data as of . Last revised (2025-12-31).