A storm system moved slowly over the Great Lakes region of the United States from April 26 to May 01, 2023. This helped produce a series of rain events across parts of central New York and northeast Pennsylvania. The rainfall caused in some flooding, especially along rivers and streams.
A map of rainfall amounts is shown below. Click on the map for a larger view. Selecting the button below the map will expand the text version of these reports.
Observations are collected from a variety of sources with varying equipment and exposures. We thank all volunteer weather observers for their dedication. Not all data listed are considered official.
...PRECIPITATION REPORTS... NOTE: These are two day reports. Location Amount Time/Date Provider ...New York... ...Broome County... Lisle 3.18 in 0958 AM 05/01 CWOP Whitney Point 1.7 SSE 2.92 in 0800 AM 05/01 COCORAHS Binghamton 2.84 in 1000 AM 05/01 CWOP Binghamton 2.9 NNE 2.62 in 0700 AM 05/01 COCORAHS Chenango Bridge 2.5 NE 2.58 in 0710 AM 05/01 COCORAHS Binghamton 1.3 ENE 2.53 in 0905 AM 05/01 COCORAHS Windsor 8.0 SE 2.51 in 0700 AM 05/01 COCORAHS BINGHAMTON 2.48 in 0945 AM 05/01 CWOP Vestal Center VFD 2 2.46 in 0945 AM 05/01 CWOP Endicott 2.28 in 0951 AM 05/01 CWOP 2 NE Tioga Terrace 2.25 in 0700 AM 05/01 COCORAHS Endicott 5.2 SSE 2.24 in 0700 AM 05/01 COCORAHS Binghamton 2.23 in 0945 AM 05/01 CWOP HARPURSVILLE 2.22 in 0945 AM 05/01 CWOP Vestal 2.21 in 0945 AM 05/01 CWOP Endicott 2.8 NNE 2.15 in 0700 AM 05/01 COCORAHS Vestal Ross Corners VFD3 2.14 in 0945 AM 05/01 CWOP ENDICOTT 2.12 in 1000 AM 05/01 CWOP Binghamton 2.09 in 0945 AM 05/01 CWOP Vestal 0.1 SW 2.03 in 0700 AM 05/01 COCORAHS Binghamton Airport 2.02 in 0953 AM 05/01 ASOS 1 SE Port Crane 2.00 in 1109 PM 04/30 Maine 1.98 in 0956 AM 05/01 CWOP Conklin 1.96 in 0946 AM 05/01 CWOP Vestal 1.95 in 1000 AM 05/01 CWOP Windsor 1.92 in 0945 AM 05/01 CWOP Binghamton 1.89 in 0945 AM 05/01 CWOP Hawleyton 1.75 in 0945 AM 05/01 CWOP Vestal 1.75 in 0945 AM 05/01 CWOP Kopernik Observatory 1.73 in 0945 AM 05/01 CWOP Endicott 1.72 in 1000 AM 05/01 CWOP Binghamton 1.64 in 0945 AM 05/01 CWOP Vestal 1.58 in 0955 AM 05/01 CWOP ...Cayuga County... Auburn 8.3 SSE 1.43 in 0600 AM 05/01 COCORAHS 1.7 NE Willets 1.42 in 0700 AM 05/01 COOP Auburn 1.27 in 0957 AM 05/01 CWOP Auburn 5.1 WNW 1.17 in 0700 AM 05/01 COCORAHS Cayuga 4.0 NNE 1.11 in 0700 AM 05/01 COCORAHS Venice Center 1.06 in 1000 AM 05/01 AWS Cayuga 1.7 NE 1.03 in 0700 AM 05/01 COCORAHS 2.0 N Cayuga 0.99 in 0645 AM 05/01 COOP Auburn 0.93 in 1005 AM 05/01 AWS ...Chemung County... Van Etten 0.3 ENE 1.75 in 0700 AM 05/01 COCORAHS Chemung 5.7 N 1.71 in 0900 AM 05/01 COCORAHS 2 WNW Waverly 1.63 in 0955 AM 05/01 CWOP Pine City 3.1 SE 1.45 in 0700 AM 05/01 COCORAHS 1.0 NE West Elmira 1.31 in 0700 AM 05/01 COOP West Elmira 0.5 SSE 1.30 in 0700 AM 05/01 COCORAHS Horseheads 2.7 SSE 1.28 in 0700 AM 05/01 COCORAHS Elmira 1.2 WNW 1.22 in 0700 AM 05/01 COCORAHS 1.6 S Sagetown 1.04 in 1001 AM 05/01 ALERT Elmira Airport 0.98 in 0953 AM 05/01 ASOS Erin 0.61 in 0956 AM 05/01 CWOP ...Chenango County... Greene 3.13 in 0957 AM 05/01 CWOP Afton 2.80 in 0956 AM 05/01 CWOP Oxford 0.8 NNW 2.73 in 0800 AM 05/01 COCORAHS Bainbridge 2.9 WSW 2.71 in 0600 AM 05/01 COCORAHS Greene 2.62 in 1000 AM 05/01 CWOP Norwich COOP 2.50 in 0600 AM 05/01 COOP Plymouth 2.03 in 0948 AM 05/01 CWOP 1 N Sherburne 1.97 in 0908 AM 05/01 RAWS ...Cortland County... Willet 1.8 E 2.72 in 0700 AM 05/01 COCORAHS 0.8 NW Hunts Corners 2.60 in 0800 AM 05/01 COOP Freetown 1.0 NE 2.51 in 0700 AM 05/01 COCORAHS Willet 2.48 in 0818 AM 05/01 Public ...Delaware County... Long Eddy 6.5 NNE 2.39 in 0800 AM 05/01 COCORAHS Masonville 2.20 in 0715 AM 05/01 Trained Spotter Hobart 4.8 ESE 1.69 in 0700 AM 05/01 COCORAHS East Sidney 1.66 in 1000 AM 05/01 COOP Livingston Manor 1.61 in 1000 AM 05/01 CWOP Fleischmanns 5.7 N 1.60 in 0700 AM 05/01 COCORAHS Franklin 1.53 in 0959 AM 05/01 CWOP Afton 1.52 in 1000 AM 05/01 CWOP Roxbury 1.43 in 0955 AM 05/01 CWOP 1.1 E Sidney Center 1.33 in 0915 AM 05/01 HADS Delhi 6.6 WNW 1.25 in 0415 AM 05/01 COCORAHS Margaretville 1.24 in 0945 AM 05/01 CWOP Delhi 1.20 in 0854 AM 05/01 Trained Spotter ...Madison County... Erieville 1.87 in 0955 AM 05/01 CWOP Munnsville 1.82 in 1000 AM 05/01 CWOP Oneida 0.4 NW 1.81 in 0700 AM 05/01 COCORAHS Cazenovia 2.9 SE 1.81 in 0700 AM 05/01 COCORAHS Chittenango 2.1 ESE 1.78 in 0740 AM 05/01 COCORAHS Earlville 1.73 in 0955 AM 05/01 CWOP Earlville 3.0 E 1.62 in 0700 AM 05/01 COCORAHS 2 N Sullivan 1.25 in 1005 AM 05/01 AWS Oneida 1.02 in 1005 AM 05/01 AWS ...Oneida County... Point Rock 0.6 SE 1.84 in 0715 AM 05/01 COCORAHS Sylvan Beach 1.6 NW 1.79 in 0700 AM 05/01 COCORAHS Durhamville 3.5 NNW 1.69 in 0700 AM 05/01 COCORAHS Holland Patent 1.1 WNW 1.63 in 0700 AM 05/01 COCORAHS Westmoreland 4 N 1.42 in 0700 AM 05/01 COOP Rome 4.8 SSE 1.42 in 0700 AM 05/01 COCORAHS New Hartford 0.8 S 1.37 in 0700 AM 05/01 COCORAHS New Hartford 1.0 WSW 1.35 in 0800 AM 05/01 COCORAHS Griffiss Airfield 1.23 in 0953 AM 05/01 AWOS Otter Lake 1.22 in 0955 AM 05/01 CWOP Remsen 1.13 in 1005 AM 05/01 AWS Deansboro 0.66 in 0955 AM 05/01 CWOP 1 SE Utica 0.57 in 1005 AM 05/01 AWS ...Onondaga County... Manlius 2.14 in 1000 AM 05/01 CWOP Tully 1.93 in 0959 AM 05/01 CWOP Brewerton 1.5 ESE 1.87 in 0800 AM 05/01 COCORAHS Liverpool 6.1 NNW 1.76 in 0700 AM 05/01 COCORAHS Skaneateles 1.66 in 1000 AM 05/01 CWOP Cicero 1.64 in 0957 AM 05/01 CWOP Skaneateles 0.8 NNW 1.62 in 0630 AM 05/01 COCORAHS Phoenix 1.58 in 0945 AM 05/01 CWOP Baldwinsville 3.5 NE 1.55 in 0700 AM 05/01 COCORAHS Syracuse 3.0 ESE 1.54 in 0800 AM 05/01 COCORAHS Syracuse 1.52 in 0955 AM 05/01 CWOP Clay 1.50 in 0954 AM 05/01 CWOP Westvale 2.3 SSW 1.49 in 0700 AM 05/01 COCORAHS Camillus 2.3 SSE 1.46 in 0700 AM 05/01 COCORAHS Clay 4.6 NW 1.46 in 0700 AM 05/01 COCORAHS Camillus 1.46 in 0955 AM 05/01 CWOP Marcellus 1.46 in 0958 AM 05/01 CWOP Syracuse 2.7 S 1.45 in 0700 AM 05/01 COCORAHS Otisco 1.44 in 0959 AM 05/01 CWOP Fairmount 1.42 in 1000 AM 05/01 CWOP Tully 1.40 in 0951 AM 05/01 CWOP 1 S Bennetts Corners 1.40 in 1000 AM 05/01 AWS Syracuse 4.2 SSW 1.39 in 0700 AM 05/01 COCORAHS Baldwinsville 3.3 NE 1.38 in 0754 AM 05/01 COCORAHS Syracuse Airport 1.38 in 0954 AM 05/01 ASOS Marcellus 1.37 in 0952 AM 05/01 CWOP Jamesville 1.36 in 0950 AM 05/01 CWOP Camillus 1.0 W 1.31 in 0700 AM 05/01 COCORAHS Apulia Station 1.31 in 0959 AM 05/01 CWOP Skaneateles 9.1 SE 1.30 in 0700 AM 05/01 COCORAHS Minoa 1.30 in 0953 AM 05/01 CWOP Camillus 1.20 in 0945 AM 05/01 CWOP Syracuse 1.19 in 1000 AM 05/01 AWS Clay 1.12 in 0958 AM 05/01 CWOP 1 WNW Marcellus 1.03 in 1000 AM 05/01 AWS 1 W Syracuse 1.03 in 1005 AM 05/01 AWS Baldwinsville 1.00 in 0700 AM 05/01 COOP ...Otsego County... Hartwick 1.90 in 0530 AM 05/01 COCORAHS Maryland 1.8 W 1.43 in 0800 AM 05/01 COCORAHS Richfield Springs 1.43 in 0955 AM 05/01 CWOP Richfield Springs 4.6 SSE 1.38 in 0700 AM 05/01 COCORAHS Cooperstown 1.10 in 0958 AM 05/01 CWOP Cooperstown 1.03 in 0945 AM 05/01 CWOP 1.6 E South Edmeston 0.65 in 0915 AM 05/01 HADS Milford 1.2 E 0.60 in 0800 AM 05/01 COCORAHS ...Schuyler County... Watkins Glen 2.54 in 0945 AM 05/01 CWOP Bolter Creek 1.43 in 0912 AM 05/01 RAWS Dundee 6.2 E 1.29 in 0700 AM 05/01 COCORAHS Gabriels Junction 1.08 in 1000 AM 05/01 CWOP Odessa 0.81 in 1000 AM 05/01 AWS ...Seneca County... Seneca Falls 1.92 in 0957 AM 05/01 CWOP LODI 1.36 in 0955 AM 05/01 CWOP Romulus 0.84 in 1004 AM 05/01 AWS ...Steuben County... 1.1 SW Corning 1.19 in 0700 AM 05/01 COOP Corning 2.9 N 1.06 in 0700 AM 05/01 COCORAHS South Corning 4.7 S 1.04 in 0900 AM 05/01 COCORAHS Corning 0.7 NNW 0.96 in 0730 AM 05/01 COCORAHS Gang Mills 0.95 in 0908 AM 05/01 RAWS Addison 0.91 in 0951 AM 05/01 CWOP Bath 0.88 in 0900 AM 05/01 Amateur Radio 1.8 SW Corning 0.88 in 1001 AM 05/01 ALERT Bath 4.2 E 0.81 in 0700 AM 05/01 COCORAHS Branchport 0.80 in 0945 AM 05/01 CWOP Savona 4.7 S 0.79 in 0700 AM 05/01 COCORAHS Bath 1.3 E 0.75 in 0900 AM 05/01 COCORAHS 2.8 NW Prattsburg 0.72 in 1001 AM 05/01 ALERT 2.7 W Bradford 0.72 in 1001 AM 05/01 ALERT 3.9 NW Jasper 0.70 in 0830 AM 05/01 COOP 2.8 E Erwins 0.68 in 0908 AM 05/01 HADS Hornell 0.56 in 0900 AM 05/01 Amateur Radio Canisteo 0.52 in 0957 AM 05/01 CWOP NORTH HORNELL 0.50 in 0957 AM 05/01 CWOP ...Sullivan County... Barryville 2.32 in 1000 AM 05/01 CWOP Grahamsville 1.87 in 0958 AM 05/01 CWOP Jeffersonville 1.53 in 1005 AM 05/01 AWS Sullivan County Airport 1.40 in 0956 AM 05/01 AWOS Monticello 1.37 in 0956 AM 05/01 CWOP ...Tioga County... 1 W Tioga Terrace 2.21 in 1000 AM 05/01 AWS Endicott 3.7 WSW 2.12 in 0700 AM 05/01 COCORAHS Candor 1.4 W 2.08 in 0700 AM 05/01 COCORAHS Apalachin 2.8 ESE 2.04 in 0700 AM 05/01 COCORAHS Newark Valley 1.9 SSW 1.99 in 0700 AM 05/01 COCORAHS Candor 0.7 NW 1.98 in 0700 AM 05/01 COCORAHS Apalachin 1.84 in 0953 AM 05/01 CWOP 1.7 N Newark Valley 1.80 in 0815 AM 05/01 COOP Endicott 1.73 in 0950 AM 05/01 CWOP Town Of Owego 1.64 in 0955 AM 05/01 CWOP Owego 1.59 in 0950 AM 05/01 CWOP ...Tompkins County... CORNELL HTRC ITHACA 13 E 2.96 in 0905 AM 05/01 HADS Berkshire 2.93 in 1000 AM 05/01 CWOP Ithaca 6.4 E 2.29 in 0700 AM 05/01 COCORAHS Slaterville Springs 2.29 in 0945 AM 05/01 CWOP Dryden 2.20 in 0953 AM 05/01 CWOP CORNELL HTRC ITHACA 13 E 2.13 in 0400 AM 05/01 HADS Freeville 1.5 NE 1.94 in 0700 AM 05/01 COCORAHS Ithaca 5.4 SSW 1.79 in 0700 AM 05/01 COCORAHS Groton 3.2 SSW 1.78 in 0700 AM 05/01 COCORAHS Groton 0.5 NW 1.77 in 0700 AM 05/01 COCORAHS Ithaca Airport 1.69 in 0956 AM 05/01 AWOS Ithaca 1.65 in 0955 AM 05/01 CWOP Ithaca 2.6 NW 1.63 in 0800 AM 05/01 COCORAHS Ithaca 1.60 in 0957 AM 05/01 CWOP Newfield Hamlet 4.3 S 1.59 in 0900 AM 05/01 COCORAHS 2 NE Dryden 1.58 in 1000 AM 05/01 AWS Dryden 1.55 in 0955 AM 05/01 CWOP Ithaca 1.47 in 0955 AM 05/01 CWOP Trumansburg 0.4 WNW 1.30 in 0700 AM 05/01 COCORAHS ...Yates County... Penn Yan 0.97 in 0953 AM 05/01 ASOS Dundee 0.85 in 0930 AM 05/01 CWOP Middlesex 3.5 S 0.71 in 0900 AM 05/01 COCORAHS ...Pennsylvania... ...Bradford County... Allis Hollow 2.28 in 1000 AM 05/01 CWOP Roaring Creek 2.13 in 0949 AM 05/01 RAWS Wysox 2.05 in 0955 AM 05/01 CWOP Sayre 5.4 E 1.82 in 0800 AM 05/01 COCORAHS Sayre 0.7 S 1.78 in 0730 AM 05/01 COCORAHS 1 SSE Rome 1.59 in 1000 AM 05/01 AWS Ridgebury 1.35 in 1000 AM 05/01 CWOP Canton 1.23 in 0800 AM 05/01 COOP ...Lackawanna County... Mayfield 3.38 in 0959 AM 05/01 CWOP Thornhurst 3.12 in 0948 AM 05/01 RAWS Vandling 0.1 NNE 3.06 in 0700 AM 05/01 COCORAHS Sterling - 22 3.04 in 0700 AM 05/01 COCORAHS Taylor 2.95 in 0956 AM 05/01 CWOP Old Forge 2.89 in 1000 AM 05/01 AWS Archbald 1.6 SW 2.87 in 0758 AM 05/01 COCORAHS Richmondale 2.83 in 0957 AM 05/01 CWOP Thornhurst 2.69 in 1000 AM 05/01 CWOP Moosic 2.67 in 0958 AM 05/01 CWOP Peckville 2.64 in 0955 AM 05/01 CWOP Madison Township 2.48 in 1000 AM 05/01 CWOP Clarks Green 0.5 N 2.44 in 0930 AM 05/01 COCORAHS Moscow 2.7 W 2.39 in 0700 AM 05/01 COCORAHS Jermyn 2.25 in 0959 AM 05/01 CWOP Newton 2.23 in 0955 AM 05/01 CWOP Archbald 1.89 in 1000 AM 05/01 CWOP ...Luzerne County... SUSCON 3.86 in 0956 AM 05/01 CWOP Harveys Lake 1.5 W 3.73 in 0554 AM 05/01 COCORAHS Ashley 3.45 in 0950 AM 05/01 RAWS Hanover Township 3.33 in 0945 AM 05/01 CWOP Bear Creek Township 3.27 in 1000 AM 05/01 CWOP Wilkes-Barre/Scranton Airpor 3.12 in 0954 AM 05/01 ASOS PENN LAKE 3.12 in 1000 AM 05/01 CWOP Forty Fort 0.4 NNE 3.10 in 0700 AM 05/01 COCORAHS Hazleton 3.01 in 0955 AM 05/01 CWOP Conyngham 3.9 NE 2.96 in 0700 AM 05/01 COCORAHS Hazleton 2.94 in 0946 AM 05/01 CWOP Glen Summit 2.93 in 1005 AM 05/01 AWS Duryea 0.3 SE 2.92 in 0700 AM 05/01 COCORAHS Beach Haven 0.8 E 2.88 in 1202 AM 05/01 COCORAHS Miners Mills 2.82 in 1004 AM 05/01 AWS Shickshinny 2.77 in 1000 AM 05/01 CWOP Front Royal 2.70 in 0956 AM 05/01 CWOP West Pittston 2.49 in 1005 AM 05/01 AWS Hazleton 1.6 NW 2.28 in 0750 AM 05/01 COCORAHS Penn Lake 2.27 in 0958 AM 05/01 CWOP Nescopeck Pass 2.22 in 0955 AM 05/01 CWOP ...Pike County... Tafton 2.46 in 1000 AM 05/01 CWOP Shohola 2.38 in 0957 AM 05/01 CWOP Lords Valley 2.33 in 0958 AM 05/01 CWOP Milford 8.7 NW 2.25 in 0700 AM 05/01 COCORAHS Camp William Penn 2.17 in 0950 AM 05/01 RAWS Greentown 1.98 in 1000 AM 05/01 CWOP 2 NE Kimbles 1.86 in 1005 AM 05/01 AWS Ft Myers 1.85 in 1000 AM 05/01 CWOP Loch Lomond 1.84 in 0944 AM 05/01 RAWS ...Susquehanna County... New Milford 3.52 in 0958 AM 05/01 CWOP New Milford 1.6 SSE 2.83 in 0805 AM 05/01 COCORAHS Harford 1.4 NNE 2.66 in 0700 AM 05/01 COCORAHS Forest City 2.18 in 1005 AM 05/01 AWS ...Wayne County... Honesdale 3.7 SSW 4.20 in 0700 AM 05/01 COCORAHS 1.6 W Pleasant Mount 3.13 in 0805 AM 05/01 COOP PROMPTON - 25 3.09 in 0700 AM 05/01 COCORAHS Pleasant Mount 3.06 in 0959 AM 05/01 CWOP Dyberry - 19 2.98 in 0657 AM 05/01 COCORAHS Starrucca - 27 2.70 in 0700 AM 05/01 COCORAHS Honesdale 2.61 in 0959 AM 05/01 CWOP Gouldsboro 2.50 in 0950 AM 05/01 CWOP Hawley - 15 2.43 in 0700 AM 05/01 COCORAHS 2 S Abrahamsville 1.98 in 1000 AM 05/01 AWS Hawley 1.90 in 1000 AM 05/01 HADS ...Wyoming County... Tunkhannock 2.38 in 1000 AM 05/01 CWOP Falls 1.99 in 1000 AM 05/01 CWOP Tunkhannock 1.88 in 0945 AM 05/01 CWOP
Satellite and northeast radar loop of the storm system and rainfall.
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