National Weather Service United States Department of Commerce

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.

Flooding at Kirby Park in Nichols, NY

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.

Rainfall map.

Click to view rainfall reportsExpandCollapse

...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.

 

 

Addition Information