| 2026-09-01 | Geneva Rsch Farm | Record daily precipitation (provisional) | 35.6 mm (1.4 in) | 21.9 mm (0.9 in) | 1 | 26 of 100 (Routine) |
| 2026-09-01 | Warsaw 6 SW | Record daily precipitation (provisional) | 21.3 mm (0.8 in) | 2.0 mm (0.08 in) | 44 | 20 of 100 (Routine) |
| 2026-09-01 | Upton Coop - Nwsfo New York | Record daily precipitation (provisional) | 23.1 mm (0.9 in) | 15.0 mm (0.6 in) | 12 | 16 of 100 (Routine) |
| 2026-09-01 | Old Mission 3SSW | Record daily precipitation (provisional) | 15.2 mm (0.6 in) | 6.8 mm (0.27 in) | 16 | 13 of 100 (Routine) |
| 2026-09-02 | Erie Intl AP | Record daily precipitation (provisional) | 93.7 mm (3.7 in) | 58.6 mm (2.3 in) | 45 | 63 of 100 (Major) |
| 2026-09-02 | Massena Intl AP | Record daily precipitation (provisional) | 80.5 mm (3.2 in) | 55.6 mm (2.2 in) | 48 | 61 of 100 (Major) |
| 2026-09-02 | Detroit City AP | Record daily precipitation (provisional) | 23.6 mm (0.9 in) | 7.1 mm (0.28 in) | 67 | 20 of 100 (Routine) |
| 2026-09-02 | Syracuse Hancock Intl AP | Record daily precipitation (provisional) | 25.4 mm (1.0 in) | 0.8 mm (0.03 in) | 20 | 14 of 100 (Routine) |
| 2026-09-03 | Buffalo | Record daily precipitation (provisional) | 77.2 mm (3.0 in) | 46.2 mm (1.8 in) | 57 | 63 of 100 (Major) |
| 2026-09-03 | Lock Haven Sewage Plt | Record daily precipitation (provisional) | 129.5 mm (5.1 in) | 82.3 mm (3.2 in) | 20 | 53 of 100 (Notable) |
| 2026-09-03 | Greene | Record daily precipitation (provisional) | 68.3 mm (2.7 in) | 40.1 mm (1.6 in) | 44 | 52 of 100 (Notable) |
| 2026-09-03 | Akron Fulton Intl AP | Record daily precipitation (provisional) | 52.6 mm (2.1 in) | 42.2 mm (1.7 in) | 11 | 50 of 100 (Notable) |
| 2026-09-03 | Renovo | Record daily precipitation (provisional) | 86.4 mm (3.4 in) | 38.4 mm (1.5 in) | 20 | 49 of 100 (Notable) |
| 2026-09-03 | Sunbury | Record daily precipitation (provisional) | 65.3 mm (2.6 in) | 27.2 mm (1.1 in) | 73 | 48 of 100 (Notable) |
| 2026-09-03 | State College | Record daily precipitation (provisional) | 68.1 mm (2.7 in) | 26.7 mm (1.1 in) | 47 | 47 of 100 (Notable) |
| 2026-09-03 | Union City Filtration Plt | Record daily precipitation (provisional) | 61.5 mm (2.4 in) | 25.4 mm (1.0 in) | 56 | 46 of 100 (Notable) |
| 2026-09-03 | Warsaw 6 SW | Record daily precipitation (provisional) | 56.1 mm (2.2 in) | 23.6 mm (0.9 in) | 44 | 43 of 100 (Notable) |
| 2026-09-03 | Youngstown-Warren Rgnl AP | Record daily precipitation (provisional) | 62.0 mm (2.4 in) | 26.7 mm (1.1 in) | 37 | 42 of 100 (Notable) |
| 2026-09-03 | Auburn | Record daily precipitation (provisional) | 44.7 mm (1.8 in) | 13.7 mm (0.5 in) | 52 | 38 of 100 (Notable) |
| 2026-09-03 | Pittsburgh ASOS | Record daily precipitation (provisional) | 55.6 mm (2.2 in) | 14.5 mm (0.6 in) | 52 | 34 of 100 (Routine) |
| 2026-09-03 | Albion | Record daily precipitation (provisional) | 37.8 mm (1.5 in) | 10.9 mm (0.4 in) | 52 | 32 of 100 (Routine) |
| 2026-09-03 | Mt Morris 2W | Record daily precipitation (provisional) | 53.3 mm (2.1 in) | 14.4 mm (0.6 in) | 20 | 31 of 100 (Routine) |
| 2026-09-03 | Lockport 2SE | Record daily precipitation (provisional) | 32.8 mm (1.3 in) | 6.9 mm (0.27 in) | 41 | 28 of 100 (Routine) |
| 2026-09-03 | Little Valley | Record daily precipitation (provisional) | 47.8 mm (1.9 in) | 5.9 mm (0.23 in) | 47 | 27 of 100 (Routine) |
| 2026-09-03 | Malone | Record daily precipitation (provisional) | 42.2 mm (1.7 in) | 23.1 mm (0.9 in) | 12 | 27 of 100 (Routine) |
| 2026-09-03 | WFO Sterling | Record daily precipitation (provisional) | 38.9 mm (1.5 in) | 16.3 mm (0.6 in) | 44 | 27 of 100 (Routine) |
| 2026-09-03 | Hemlock | Record daily precipitation (provisional) | 49.8 mm (2.0 in) | 10.2 mm (0.4 in) | 20 | 26 of 100 (Routine) |
| 2026-09-03 | Selinsgrove 2 S | Record daily precipitation (provisional) | 79.2 mm (3.1 in) | 14.9 mm (0.6 in) | 20 | 26 of 100 (Routine) |
| 2026-09-03 | Pontiac Wwtp | Record daily precipitation (provisional) | 25.1 mm (1.0 in) | 6.8 mm (0.27 in) | 32 | 25 of 100 (Routine) |
| 2026-09-03 | Grosse Pointe Farms | Record daily precipitation (provisional) | 40.6 mm (1.6 in) | 8.6 mm (0.34 in) | 32 | 23 of 100 (Routine) |
| 2026-09-03 | Newark | Record daily precipitation (provisional) | 54.9 mm (2.2 in) | 7.1 mm (0.28 in) | 20 | 23 of 100 (Routine) |
| 2026-09-03 | Chardon | Record daily precipitation (provisional) | 52.8 mm (2.1 in) | 7.1 mm (0.28 in) | 32 | 23 of 100 (Routine) |
| 2026-09-03 | Williamsport Rgnl AP | Record daily precipitation (provisional) | 34.8 mm (1.4 in) | 11.9 mm (0.5 in) | 32 | 23 of 100 (Routine) |
| 2026-09-03 | Wellsville | Record daily precipitation (provisional) | 53.6 mm (2.1 in) | 10.4 mm (0.4 in) | 20 | 22 of 100 (Routine) |
| 2026-09-03 | New Holland 2 SE | Record daily precipitation (provisional) | 43.2 mm (1.7 in) | 23.6 mm (0.9 in) | 20 | 22 of 100 (Routine) |
| 2026-09-03 | Enosburg Falls 2 | Record daily precipitation (provisional) | 34.5 mm (1.4 in) | 22.3 mm (0.9 in) | 12 | 20 of 100 (Routine) |
| 2026-09-03 | Mahanoy City 2 N | Record daily precipitation (provisional) | 26.9 mm (1.1 in) | 0.2 mm (0.01 in) | 47 | 19 of 100 (Routine) |
| 2026-09-03 | Conshohocken | Record daily precipitation (provisional) | 43.4 mm (1.7 in) | 5.8 mm (0.23 in) | 20 | 18 of 100 (Routine) |
| 2026-09-03 | Dansville Muni AP | Record daily precipitation (provisional) | 16.5 mm (0.6 in) | 1.5 mm (0.06 in) | 24 | 16 of 100 (Routine) |
| 2026-09-03 | Safe Harbor Dam | Record daily precipitation (provisional) | 31.0 mm (1.2 in) | 11.2 mm (0.4 in) | 7 | 14 of 100 (Routine) |
| 2026-09-03 | Shrub Oak | Record daily precipitation (provisional) | 30.7 mm (1.2 in) | 11.4 mm (0.4 in) | 5 | 13 of 100 (Routine) |
| 2026-09-04 | Shawano 2SSW | Record daily precipitation (provisional) | 70.6 mm (2.8 in) | 47.0 mm (1.9 in) | 92 | 76 of 100 (Major) |
| 2026-09-04 | Manistee 3SE | Record daily precipitation (provisional) | 102.1 mm (4.0 in) | 25.1 mm (1.0 in) | 78 | 67 of 100 (Major) |
| 2026-09-04 | Braddock Lock 2 | Record daily precipitation (provisional) | 84.3 mm (3.3 in) | 53.1 mm (2.1 in) | 44 | 61 of 100 (Major) |
| 2026-09-04 | Appleton | Record daily precipitation (provisional) | 138.2 mm (5.4 in) | 25.2 mm (1.0 in) | 16 | 57 of 100 (Notable) |
| 2026-09-04 | Stevens Pt | Record daily precipitation (provisional) | 44.2 mm (1.7 in) | 17.5 mm (0.7 in) | 113 | 54 of 100 (Notable) |
| 2026-09-04 | Warsaw 6 SW | Record daily precipitation (provisional) | 57.2 mm (2.3 in) | 35.6 mm (1.4 in) | 35 | 51 of 100 (Notable) |
| 2026-09-04 | Chilton | Record daily precipitation (provisional) | 96.5 mm (3.8 in) | 34.8 mm (1.4 in) | 37 | 51 of 100 (Notable) |
| 2026-09-04 | Germantown Wastewater Utility | Record daily precipitation (provisional) | 49.5 mm (1.9 in) | 26.1 mm (1.0 in) | 72 | 51 of 100 (Notable) |
| 2026-09-04 | Jackson Reynolds Fld | Record daily precipitation (provisional) | 65.8 mm (2.6 in) | 31.8 mm (1.3 in) | 44 | 51 of 100 (Notable) |
| 2026-09-04 | Manitowoc | Record daily precipitation (provisional) | 36.3 mm (1.4 in) | 10.9 mm (0.4 in) | 96 | 48 of 100 (Notable) |
| 2026-09-04 | Hartford Wwtp | Record daily precipitation (provisional) | 55.1 mm (2.2 in) | 22.1 mm (0.9 in) | 72 | 47 of 100 (Notable) |
| 2026-09-04 | Natrona Lock 4 | Record daily precipitation (provisional) | 49.5 mm (1.9 in) | 13.4 mm (0.5 in) | 84 | 45 of 100 (Notable) |
| 2026-09-04 | Slippery Rock 1 SSW | Record daily precipitation (provisional) | 55.9 mm (2.2 in) | 35.1 mm (1.4 in) | 35 | 45 of 100 (Notable) |
| 2026-09-04 | Clintonville | Record daily precipitation (provisional) | 60.7 mm (2.4 in) | 23.6 mm (0.9 in) | 57 | 43 of 100 (Notable) |
| 2026-09-04 | Oshkosh | Record daily precipitation (provisional) | 69.1 mm (2.7 in) | 8.1 mm (0.32 in) | 84 | 42 of 100 (Notable) |
| 2026-09-04 | Charlotte | Record daily precipitation (provisional) | 47.5 mm (1.9 in) | 7.1 mm (0.28 in) | 83 | 40 of 100 (Notable) |
| 2026-09-04 | Rosholt | Record daily precipitation (provisional) | 57.2 mm (2.3 in) | 33.1 mm (1.3 in) | 8 | 38 of 100 (Notable) |
| 2026-09-04 | Brillion | Record daily precipitation (provisional) | 135.9 mm (5.4 in) | 6.4 mm (0.25 in) | 5 | 37 of 100 (Notable) |
| 2026-09-04 | Emsworth L/D Ohio Rvr | Record daily precipitation (provisional) | 56.4 mm (2.2 in) | 27.4 mm (1.1 in) | 32 | 31 of 100 (Routine) |
| 2026-09-04 | Salina 3 W | Record daily precipitation (provisional) | 55.1 mm (2.2 in) | 19.5 mm (0.8 in) | 32 | 31 of 100 (Routine) |
| 2026-09-04 | Eaton Rapids | Record daily precipitation (provisional) | 29.2 mm (1.1 in) | 0.8 mm (0.03 in) | 64 | 29 of 100 (Routine) |
| 2026-09-04 | Ithaca Cornell UNIV | Record daily precipitation (provisional) | 26.9 mm (1.1 in) | 3.8 mm (0.15 in) | 52 | 28 of 100 (Routine) |
| 2026-09-04 | Glenwillard Dashields L&D | Record daily precipitation (provisional) | 34.0 mm (1.3 in) | 9.4 mm (0.37 in) | 44 | 28 of 100 (Routine) |
| 2026-09-04 | Somerset | Record daily precipitation (provisional) | 42.9 mm (1.7 in) | 4.3 mm (0.17 in) | 63 | 28 of 100 (Routine) |
| 2026-09-04 | Central Michigan UNIV | Record daily precipitation (provisional) | 47.2 mm (1.9 in) | 12.9 mm (0.5 in) | 15 | 23 of 100 (Routine) |
| 2026-09-04 | Cumberland 2 | Record daily precipitation (provisional) | 29.0 mm (1.1 in) | 6.9 mm (0.27 in) | 37 | 20 of 100 (Routine) |
| 2026-09-04 | Geneva Rsch Farm | Record daily precipitation (provisional) | 17.0 mm (0.7 in) | 5.8 mm (0.23 in) | 52 | 20 of 100 (Routine) |
| 2026-09-04 | Mt Morris 2W | Record daily precipitation (provisional) | 15.2 mm (0.6 in) | 2.0 mm (0.08 in) | 52 | 20 of 100 (Routine) |
| 2026-09-04 | Durand | Record daily precipitation (provisional) | 16.3 mm (0.6 in) | 0.3 mm (0.01 in) | 33 | 19 of 100 (Routine) |
| 2026-09-04 | Covington 2 WSW | Record daily precipitation (provisional) | 31.8 mm (1.3 in) | 3.9 mm (0.15 in) | 32 | 18 of 100 (Routine) |
| 2026-09-04 | Wheeling | Record daily precipitation (provisional) | 25.9 mm (1.0 in) | 5.1 mm (0.20 in) | 32 | 16 of 100 (Routine) |
| 2026-09-04 | Savage Rvr Dam | Record daily precipitation (provisional) | 34.8 mm (1.4 in) | 6.9 mm (0.27 in) | 5 | 14 of 100 (Routine) |
| 2026-09-04 | Peshtigo | Record daily precipitation (provisional) | 28.4 mm (1.1 in) | 2.2 mm (0.09 in) | 8 | 11 of 100 (Routine) |
| 2026-09-05 | Montpelier | Record daily precipitation (provisional) | 63.2 mm (2.5 in) | 13.4 mm (0.5 in) | 131 | 51 of 100 (Notable) |
| 2026-09-05 | Lakeview | Record daily precipitation (provisional) | 76.5 mm (3.0 in) | 55.7 mm (2.2 in) | 4 | 48 of 100 (Notable) |
| 2026-09-05 | Three Rivers | Record daily precipitation (provisional) | 73.7 mm (2.9 in) | 6.4 mm (0.25 in) | 83 | 39 of 100 (Notable) |
| 2026-09-05 | Kenton | Record daily precipitation (provisional) | 40.1 mm (1.6 in) | 4.0 mm (0.16 in) | 83 | 37 of 100 (Notable) |
| 2026-09-05 | Buckeye Lake 1 N | Record daily precipitation (provisional) | 26.9 mm (1.1 in) | 0.7 mm (0.03 in) | 68 | 27 of 100 (Routine) |
| 2026-09-05 | St Paris 2 NE | Record daily precipitation (provisional) | 69.6 mm (2.7 in) | 1.3 mm (0.05 in) | 39 | 27 of 100 (Routine) |
| 2026-09-05 | Richmond Wtr Wks | Record daily precipitation (provisional) | 21.8 mm (0.9 in) | 7.8 mm (0.31 in) | 8 | 13 of 100 (Routine) |
| 2026-09-05 | Chelsea | Record daily precipitation (provisional) | 14.5 mm (0.6 in) | 1.3 mm (0.05 in) | 8 | 7 of 100 (Routine) |
| 2026-09-06 | Hannibal Locks & Dam | Record daily precipitation (provisional) | 30.5 mm (1.2 in) | 3.3 mm (0.13 in) | 15 | 11 of 100 (Routine) |