Dobbins 1 S Threshold Days by Year (USC00042456)
15 fixed thresholds counted per year at Dobbins 1 S (USC00042456): hot days, frost, tropical nights and heavy rain, with the most days in a year.
Key Facts for Dobbins 1 S Thresholds
- Dobbins 1 S: days with 10 mm (0.39 in) or more of precipitation in 20 years, most in 1998 with 55.
- Dobbins 1 S: days with 25 mm (0.98 in) or more of precipitation in 20 years, most in 1998 with 26.
- Dobbins 1 S: days with 50 mm (1.97 in) or more of precipitation in 19 years, most in 1981 with 10.
- Dobbins 1 S: nights with a minimum temperature at or below 0 C (32 F) in 14 years, most in 1990 with 82.
- 15 fixed thresholds have at least one qualifying day at Dobbins 1 S.
Days at or above 30 C (86 F)
12 years with a qualifying day| Year | Days | Decade average |
|---|---|---|
| 1972 | 84 | 87 |
| 1974 | 95 | 87 |
| 1975 | 82 | 87 |
| 1981 | 94 | 81.3 |
| 1982 | 68 | 81.3 |
| 1989 | 82 | 81.3 |
| 1990 | 91 | 84.3 |
| 1998 | 70 | 84.3 |
| 1999 | 92 | 84.3 |
| 2000 | 96 | 100.7 |
| 2004 | 118 | 100.7 |
| 2007 | 88 | 100.7 |
| Year | First date | Last date |
|---|---|---|
| 1972 | 1972-05-12 | 1972-09-15 |
| 1974 | 1974-05-25 | 1974-10-18 |
| 1975 | 1975-05-13 | 1975-10-05 |
| 1981 | 1981-04-28 | 1981-09-30 |
| 1982 | 1982-05-23 | 1982-09-24 |
| 1989 | 1989-04-07 | 1989-10-18 |
| 1990 | 1990-04-13 | 1990-10-13 |
| 1998 | 1998-06-15 | 1998-09-16 |
| 1999 | 1999-05-22 | 1999-10-22 |
| 2000 | 2000-05-20 | 2000-10-01 |
| 2004 | 2004-03-16 | 2004-10-15 |
| 2007 | 2007-05-14 | 2007-11-27 |
Every Fixed Threshold
| Threshold | Years with a qualifying day | Most days in a year | Year | Latest year days |
|---|---|---|---|---|
| 30 C (86 F): Days | 12 | 118 | 2004 | 88 |
| 35 C (95 F): Days | 12 | 45 | 2000 | 31 |
| 40 C (104 F): Days | 10 | 7 | 1998 | 2 |
| 90 F (32.2 C): Days | 12 | 78 | 2000 | 69 |
| 100 F (37.8 C): Days | 11 | 22 | 1998 | 8 |
| 110 F (43.3 C): Days | 2 | 1 | 1972 | 1 |
| 0 C (32 F): Frost days (min | 14 | 82 | 1990 | 58 |
| -10 C (14 F): Days with min | 2 | 5 | 1972 | 3 |
| 20 C (68 F): Tropical nights (min | 7 | 5 | 1990 | 1 |
| 10 mm (0.39 in): Days with 10 mm or more rain | 20 | 55 | 1998 | 21 |
| 25 mm (0.98 in): Days with 25 mm or more rain | 20 | 26 | 1998 | 8 |
| 50 mm (1.97 in): Days with 50 mm or more rain | 19 | 10 | 1981 | 1 |
| 100 mm (3.94 in): Days with 100 mm or more rain | 4 | 2 | 1981 | 2 |
| 10 cm (3.9 in): Days with 10 cm or more snowfall | 4 | 2 | 1972 | 2 |
| 25 cm (9.8 in): Days with 25 cm or more snowfall | 1 | 1 | 1990 | 1 |
Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1972.
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 2026-10-17 (17 October 2026). Threshold counts are computed by this site.
Data as of . Last revised (2025-12-31).