Lehigh 4 SW Threshold Days by Year (USC00345108)
17 fixed thresholds counted per year at Lehigh 4 SW (USC00345108): hot days, frost, tropical nights and heavy rain, with the most days in a year.
Key Facts for Lehigh 4 SW Thresholds
- Lehigh 4 SW: days with 10 mm (0.39 in) or more of precipitation in 51 years, most in 1990 with 51.
- Lehigh 4 SW: days with 25 mm (0.98 in) or more of precipitation in 51 years, most in 2015 with 28.
- Lehigh 4 SW: days with 50 mm (1.97 in) or more of precipitation in 48 years, most in 2015 with 12.
- Lehigh 4 SW: days with 100 mm (3.94 in) or more of precipitation in 15 years, most in 1985 with 2.
- 17 fixed thresholds have at least one qualifying day at Lehigh 4 SW.
Days at or above 30 C (86 F)
7 years with a qualifying day| Year | Days | Decade average |
|---|---|---|
| 1894 | 122 | 125.8 |
| 1895 | 126 | 125.8 |
| 1896 | 132 | 125.8 |
| 1897 | 132 | 125.8 |
| 1898 | 119 | 125.8 |
| 1899 | 124 | 125.8 |
| 1900 | 125 | 125 |
| Year | First date | Last date |
|---|---|---|
| 1894 | 1894-03-13 | 1894-10-24 |
| 1895 | 1895-03-27 | 1895-10-26 |
| 1896 | 1896-03-28 | 1896-10-05 |
| 1897 | 1897-03-27 | 1897-10-25 |
| 1898 | 1898-04-16 | 1898-11-19 |
| 1899 | 1899-04-10 | 1899-10-22 |
| 1900 | 1900-03-11 | 1900-10-23 |
Every Fixed Threshold
| Threshold | Years with a qualifying day | Most days in a year | Year | Latest year days |
|---|---|---|---|---|
| 30 C (86 F): Days | 7 | 132 | 1896 | 125 |
| 35 C (95 F): Days | 7 | 85 | 1896 | 50 |
| 40 C (104 F): Days | 5 | 33 | 1896 | 13 |
| 90 F (32.2 C): Days | 7 | 116 | 1896 | 94 |
| 100 F (37.8 C): Days | 7 | 61 | 1896 | 10 |
| 110 F (43.3 C): Days | 3 | 4 | 1896 | 1 |
| 0 C (32 F): Ice days (max | 7 | 12 | 1899 | 3 |
| 0 C (32 F): Frost days (min | 7 | 89 | 1895 | 62 |
| -10 C (14 F): Days with min | 7 | 14 | 1899 | 4 |
| -20 C (-4 F): Days with min | 3 | 2 | 1899 | 2 |
| 20 C (68 F): Tropical nights (min | 7 | 103 | 1899 | 88 |
| 25 C (77 F): Days with min | 4 | 12 | 1894 | 3 |
| 10 mm (0.39 in): Days with 10 mm or more rain | 51 | 51 | 1990 | 25 |
| 25 mm (0.98 in): Days with 25 mm or more rain | 51 | 28 | 2015 | 12 |
| 50 mm (1.97 in): Days with 50 mm or more rain | 48 | 12 | 2015 | 4 |
| 100 mm (3.94 in): Days with 100 mm or more rain | 15 | 2 | 1985 | 1 |
| 10 cm (3.9 in): Days with 10 cm or more snowfall | 4 | 2 | 2025 | 2 |
Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1894.
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 (2026-10-17).