National Weather Service United States Department of Commerce

Heavy Rain and Flash Flooding Threat in Montana; Severe Thunderstorms in the Middle Missouri Valley

A low pressure system will bring heavy to excessive rainfall and high winds across Montana this afternoon. Heavy rainfall totals may lead to scattered flash flooding concerns. A line of showers and strong to severe thunderstorms will move into the mid Missouri Valley region this afternoon producing severe winds and isolated large hail with stronger storms. Read More >

ZCZC BOSESSTAR E
TTAA00 KHFD DDHHMM
NATIONAL WEATHER SERVICE...NORTHEAST RFC...NORTON MA
 235 PM EDT Mon 02 Oct 2023 

MONTHLY COUNTY PRECIP AND DEPARTURE FROM NORMAL FOR SEPTEMBER 2023 

... CONNECTICUT ...

                    PRECIPITATION          DEPARTURE 
                                           FROM NORMAL 

FAIRFIELD               10.71                  5.98 
HARTFORD                12.32                  7.63  
LITCHFIELD              11.43                  6.71  
MIDDLESEX               10.73                  6.25  
NEW HAVEN                9.18                  4.64  
NEW LONDON               7.09                  2.76  
TOLLAND                 10.88                  6.40  
WINDHAM                  9.31                  5.07  

... MASSACHUSETTS ...

                    PRECIPITATION          DEPARTURE 
                                           FROM NORMAL 

BARNSTABLE               6.30                  2.23 
BERKSHIRE                6.45                  1.47  
BRISTOL                  7.66                  3.64  
DUKES                    7.42                  3.58  
ESSEX                    4.65                  0.84  
FRANKLIN                 6.88                  2.13  
HAMPDEN                  8.93                  4.24  
HAMPSHIRE                8.30                  3.56  
MIDDLESEX                7.33                  3.44  
NANTUCKET                2.91                 -0.86  
NORFOLK                  7.14                  3.21  
PLYMOUTH                 7.50                  3.42  
SUFFOLK                  5.73                  1.98  
WORCESTER                8.23                  4.04  

... MAINE ...

                    PRECIPITATION          DEPARTURE 
                                           FROM NORMAL 

ANDROSCOGGIN             4.91                  1.02 
AROOSTOOK                4.43                  0.75  
CUMBERLAND               4.40                  0.40  
FRANKLIN                 4.82                  0.97  
HANCOCK                  5.04                  1.19  
KENNEBEC                 3.46                 -0.36  
KNOX                     3.61                 -0.68  
LINCOLN                  3.54                 -0.52  
OXFORD                   4.35                  0.52  
PENOBSCOT                4.98                  1.26  
PISCATAQUIS              4.98                  1.26  
SAGADAHOC                4.58                  0.63  
SOMERSET                 4.35                  0.69  
WALDO                    3.62                 -0.30  
WASHINGTON               6.75                  2.95  
YORK                     4.42                  0.51  

... NEW HAMPSHIRE ...

                    PRECIPITATION          DEPARTURE 
                                           FROM NORMAL 

BELKNAP                  4.37                  0.32 
CARROLL                  4.65                  0.58  
CHESHIRE                 5.01                  0.75  
COOS                     3.77                 -0.29  
GRAFTON                  3.41                 -0.74  
HILLSBOROUGH             5.30                  1.19  
MERRIMACK                4.14                  0.15  
ROCKINGHAM               5.51                  1.62  
STRAFFORD                5.26                  1.45  
SULLIVAN                 3.90                 -0.01  

... NEW YORK ...

                    PRECIPITATION          DEPARTURE 
                                           FROM NORMAL 

ALBANY                   4.69                  0.93 
ALLEGANY                 1.95                 -2.04  
BROOME *                 3.55                 -0.64  
CATTARAUGUS              1.75                 -2.47  
CAYUGA                   2.15                 -1.75  
CHAUTAUQUA               1.42                 -2.99  
CHEMUNG *                2.04                 -1.85  
CHENANGO *               2.90                 -1.23  
CLINTON                  2.36                 -1.11  
COLUMBIA                 6.11                  1.76  
CORTLAND *               1.75                 -2.50  
DELAWARE *               3.98                 -0.40  
DUTCHESS                 8.60                  4.10  
ERIE                     1.87                 -2.27  
ESSEX                    2.15                 -1.71  
FRANKLIN                 1.77                 -2.27  
FULTON                   2.33                 -1.80  
GENESEE                  1.31                 -2.17  
GREENE                   4.77                  0.11  
HAMILTON                 1.64                 -2.65  
HERKIMER                 1.98                 -2.53  
JEFFERSON                1.21                 -2.60  
LEWIS                    1.53                 -2.94  
LIVINGSTON               1.41                 -2.04  
MADISON                  1.99                 -2.13  
MONROE                   1.36                 -1.73  
MONTGOMERY               2.64                 -0.94  
NASSAU                   9.46                  5.46  
NEW YORK CITY           14.14                 10.09  
NIAGARA                  1.37                 -2.10  
ONEIDA                   2.04                 -2.36  
ONONDAGA                 1.87                 -1.98  
ONTARIO                  1.92                 -1.48  
ORANGE                   8.05                  3.58  
ORLEANS                  1.11                 -2.10  
OSWEGO                   1.91                 -2.29  
OTSEGO *                 3.40                 -0.59  
PUTNAM                   9.83                  4.89  
RENSSELAER               5.01                  0.81  
ROCKLAND                10.81                  6.32  
SARATOGA                 2.14                 -1.80  
SCHENECTADY              3.16                 -0.40  
SCHOHARIE                3.62                 -0.26  
SCHUYLER                 1.66                 -2.17  
SENECA                   2.08                 -1.43  
STEUBEN *                2.39                 -1.35  
ST LAWRENCE              1.47                 -2.39  
SUFFOLK                  6.45                  2.47  
SULLIVAN *               6.15                  1.36  
TIOGA *                  2.84                 -1.37  
TOMPKINS                 1.51                 -2.59  
ULSTER                   6.10                  1.12  
WARREN                   2.38                 -1.30  
WASHINGTON               2.44                 -1.26  
WAYNE                    1.66                 -1.74  
WESTCHESTER             10.38                  5.71  
WYOMING                  1.30                 -2.66  
YATES                    1.99                 -1.58  

... RHODE ISLAND ...

                    PRECIPITATION          DEPARTURE 
                                           FROM NORMAL 

KENT                     8.28                  4.10 
NEWPT&BRISTOL            5.98                  2.32  
PROVIDENCE              10.04                  5.87  
WASHINGTON               6.55                  2.60  

... VERMONT ...

                    PRECIPITATION          DEPARTURE 
                                           FROM NORMAL 

ADDISON                  3.03                 -0.62 
BENNINGTON               4.13                 -0.66  
CALEDONIA                3.00                 -0.89  
CHITTENDEN               3.11                 -0.88  
ESSEX                    3.58                 -0.41  
FRANKLIN                 2.62                 -1.49  
GRAND ISLE               3.03                 -0.31  
LAMOILLE                 2.88                 -1.34  
ORANGE                   2.50                 -1.13  
ORLEANS                  3.28                 -0.76  
RUTLAND                  2.53                 -1.54  
WASHINGTON               2.87                 -0.99  
WINDHAM                  4.66                 -0.02  
WINDSOR                  3.23                 -0.73  


NOTE: DATA FOR COUNTIES MARKED WITH A * ARE PROVIDED
BY THE MIDDLE ATLANTIC RIVER FORECAST CENTER.