For state by state maps of climate divisions with counties, visit the
following Web page:
http://www.cpc.ncep.noaa.gov/products/analysis_monitoring/regional_monitoring/CLIM_DIVS/states_counties_climate-divisions.shtml

ST|CD|Name|Region ID
AL|1|NORTHERN VALLEY|101
AL|2|APPALACHIAN MOUNTAIN|102
AL|3|UPPER PLAINS|103
AL|4|EASTERN VALLEY|104
AL|5|PIEDMONT PLATEAU|105
AL|6|PRAIRIE|106
AL|7|COASTAL PLAIN|107
AL|8|GULF|108
AZ|1|NORTHWEST|201
AZ|2|NORTHEAST|202
AZ|3|NORTH CENTRAL|203
AZ|4|EAST CENTRAL|204
AZ|5|SOUTHWEST|205
AZ|6|SOUTH CENTRAL|206
AZ|7|SOUTHEAST|207
AR|1|NORTHWEST|301
AR|2|NORTH CENTRAL|302
AR|3|NORTHEAST|303
AR|4|WEST CENTRAL|304
AR|5|CENTRAL|305
AR|6|EAST CENTRAL|306
AR|7|SOUTHWEST|307
AR|8|SOUTH CENTRAL|308
AR|9|SOUTHEAST|309
CA|1|NORTH COAST DRAINAGE|401
CA|2|SACRAMENTO DRNG.|402
CA|3|NORTHEAST INTER. BASINS|403
CA|4|CENTRAL COAST DRNG.|404
CA|5|SAN JOAQUIN DRNG.|405
CA|6|SOUTH COAST DRNG.|406
CA|7|SOUTHEAST DESERT BASIN|407
CO|1|ARKANSAS DRAINAGE BASIN|501
CO|2|COLORADO DRAINAGE BASIN|502
CO|3|KANSAS DRAINAGE BASIN|503
CO|4|PLATTE DRAINAGE BASIN|504
CO|5|RIO GRANDE DRAINAGE BASIN|505
CT|1|NORTHWEST|601
CT|2|CENTRAL|602
CT|3|COASTAL|603
DE|1|NORTHERN|701
DE|2|SOUTHERN|702
FL|1|NORTHWEST|801
FL|2|NORTH|802
FL|3|NORTH CENTRAL|803
FL|4|SOUTH CENTRAL|804
FL|5|EVERGLADES|805
FL|6|LOWER EAST COAST|806
FL|7|KEYS|807
GA|1|NORTHWEST|901
GA|2|NORTH CENTRAL|902
GA|3|NORTHEAST|903
GA|4|WEST CENTRAL|904
GA|5|CENTRAL|905
GA|6|EAST CENTRAL|906
GA|7|SOUTHWEST|907
GA|8|SOUTH CENTRAL|908
GA|9|SOUTHEAST|909
ID|1|PANHANDLE|1001
ID|2|NORTH CENTRAL PRAIRIES|1002
ID|3|NORTH CENTRAL CANYONS|1003
ID|4|CENTRAL MOUNTAINS|1004
ID|5|SOUTHWESTERN VALLEYS|1005
ID|6|SOUTHWESTERN HIGHLANDS|1006
ID|7|CENTRAL PLAINS|1007
ID|8|NORTHEASTERN VALLEYS|1008
ID|9|UPPER SNAKE RIVER PLAINS|1009
ID|10|EASTERN HIGHLANDS|1010
IL|1|NORTHWEST|1101
IL|2|NORTHEAST|1102
IL|3|WEST|1103
IL|4|CENTRAL|1104
IL|5|EAST|1105
IL|6|WEST SOUTHWEST|1106
IL|7|EAST SOUTHEAST|1107
IL|8|SOUTHWEST|1108
IL|9|SOUTHEAST|1109
IN|1|NORTHWEST|1201
IN|2|NORTH CENTRAL|1202
IN|3|NORTHEAST|1203
IN|4|WEST CENTRAL|1204
IN|5|CENTRAL|1205
IN|6|EAST CENTRAL|1206
IN|7|SOUTHWEST|1207
IN|8|SOUTH CENTRAL|1208
IN|9|SOUTHEAST|1209
IA|1|NORTHWEST|1301
IA|2|NORTH CENTRAL|1302
IA|3|NORTHEAST|1303
IA|4|WEST CENTRAL|1304
IA|5|CENTRAL|1305
IA|6|EAST CENTRAL|1306
IA|7|SOUTHWEST|1307
IA|8|SOUTH CENTRAL|1308
IA|9|SOUTHEAST|1309
KS|1|NORTHWEST|1401
KS|2|NORTH CENTRAL|1402
KS|3|NORTHEAST|1403
KS|4|WEST CENTRAL|1404
KS|5|CENTRAL|1405
KS|6|EAST CENTRAL|1406
KS|7|SOUTHWEST|1407
KS|8|SOUTH CENTRAL|1408
KS|9|SOUTHEAST|1409
KY|1|WESTERN|1501
KY|2|CENTRAL|1502
KY|3|BLUE GRASS|1503
KY|4|EASTERN|1504
LA|1|NORTHWEST|1601
LA|2|NORTH CENTRAL|1602
LA|3|NORTHEAST|1603
LA|4|WEST CENTRAL|1604
LA|5|CENTRAL|1605
LA|6|EAST CENTRAL|1606
LA|7|SOUTHWEST|1607
LA|8|SOUTH CENTRAL|1608
LA|9|SOUTHEAST|1609
ME|1|NORTHERN|1701
ME|2|SOUTHERN INTERIOR|1702
ME|3|COASTAL|1703
MD|1|SOUTHEASTERN SHORE|1801
MD|2|CENTRAL EASTERN SHORE|1802
MD|3|LOWER SOUTHERN|1803
MD|4|UPPER SOUTHERN|1804
MD|5|NORTHEASTERN SHORE|1805
MD|6|NORTHERN CENTRAL|1806
MD|7|APPALACHIAN MOUNTAIN|1807
MD|8|ALLEGHENY PLATEAU|1808
MA|1|WESTERN|1901
MA|2|CENTRAL|1902
MA|3|COASTAL|1903
MI|1|WEST UPPER|2001
MI|2|EAST UPPER|2002
MI|3|NORTHWEST|2003
MI|4|NORTHEAST LOWER|2004
MI|5|WEST CENTRAL LOWER|2005
MI|6|CENTRAL LOWER|2006
MI|7|EAST CENTRAL LOWER|2007
MI|8|SOUTHWEST LOWER|2008
MI|9|SOUTH CENTRAL LOWER|2009
MI|10|SOUTHEAST LOWER|2010
MN|1|NORTHWEST|2101
MN|2|NORTH CENTRAL|2102
MN|3|NORTHEAST|2103
MN|4|WEST CENTRAL|2104
MN|5|CENTRAL|2105
MN|6|EAST CENTRAL|2106
MN|7|SOUTHWEST|2107
MN|8|SOUTH CENTRAL|2108
MN|9|SOUTHEAST|2109
MS|1|UPPER DELTA|2201
MS|2|NORTH CENTRAL|2202
MS|3|NORTHEAST|2203
MS|4|LOWER DELTA|2204
MS|5|CENTRAL|2205
MS|6|EAST CENTRAL|2206
MS|7|SOUTHWEST|2207
MS|8|SOUTH CENTRAL|2208
MS|9|SOUTHEAST|2209
MS|10|COASTAL|2210
MO|1|NORTHWEST PRAIRIE|2301
MO|2|NORTHEAST PRAIRIE|2302
MO|3|WEST CENTRAL PLAINS|2303
MO|4|WEST OZARKS|2304
MO|5|EAST OZARKS|2305
MO|6|BOOTHEEL|2306
MT|1|WESTERN|2401
MT|2|SOUTHWESTERN|2402
MT|3|NORTH CENTRAL|2403
MT|4|CENTRAL|2404
MT|5|SOUTH CENTRAL|2405
MT|6|NORTHEASTERN|2406
MT|7|SOUTHEASTERN|2407
NE|1|PANHANDLE|2501
NE|2|NORTH CENTRAL|2502
NE|3|NORTHEAST|2503
NE|5|CENTRAL|2505
NE|6|EAST CENTRAL|2506
NE|7|SOUTHWEST|2507
NE|8|SOUTH CENTRAL|2508
NE|9|SOUTHEAST|2509
NV|1|NORTHWESTERN|2601
NV|2|NORTHEASTERN|2602
NV|3|SOUTH CENTRAL|2603
NV|4|EXTREME SOUTHERN|2604
NH|1|NORTHERN|2701
NH|2|SOUTHERN|2702
NJ|1|NORTHERN|2801
NJ|2|SOUTHERN|2802
NJ|3|COASTAL|2803
NM|1|NORTHWESTERN PLATEAU|2901
NM|2|NORTHERN MOUNTAINS|2902
NM|3|NORTHEASTERN PLAINS|2903
NM|4|SOUTHWESTERN MOUNTAINS|2904
NM|5|CENTRAL VALLEY|2905
NM|6|CENTRAL HIGHLANDS|2906
NM|7|SOUTHEASTERN PLAINS|2907
NM|8|SOUTHERN DESERT|2908
NY|1|WESTERN PLATEAU|3001
NY|2|EASTERN PLATEAU|3002
NY|3|NORTHERN PLATEAU|3003
NY|4|COASTAL|3004
NY|5|HUDSON VALLEY|3005
NY|6|MOHAWK VALLEY|3006
NY|7|CHAMPLAIN VALLEY|3007
NY|8|ST. LAWRENCE VALLEY|3008
NY|9|GREAT LAKES|3009
NY|10|CENTRAL LAKES|3010
NC|1|SOUTHERN MOUNTAINS|3101
NC|2|NORTHERN MOUNTAINS|3102
NC|3|NORTHERN PIEDMONT|3103
NC|4|CENTRAL PIEDMONT|3104
NC|5|SOUTHERN PIEDMONT|3105
NC|6|SOUTHERN COASTAL PLAIN|3106
NC|7|CENTRAL COASTAL PLAIN|3107
NC|8|NORTHERN COASTAL PLAIN|3108
ND|1|NORTHWEST|3201
ND|2|NORTH CENTRAL|3202
ND|3|NORTHEAST|3203
ND|4|WEST CENTRAL|3204
ND|5|CENTRAL|3205
ND|6|EAST CENTRAL|3206
ND|7|SOUTHWEST|3207
ND|8|SOUTH CENTRAL|3208
ND|9|SOUTHEAST|3209
OH|1|NORTHWEST|3301
OH|2|NORTH CENTRAL|3302
OH|3|NORTHEAST|3303
OH|4|WEST CENTRAL|3304
OH|5|CENTRAL|3305
OH|6|EAST CENTRAL|3306
OH|7|NORTHEAST HILLS|3307
OH|8|SOUTHWEST|3308
OH|9|SOUTH CENTRAL|3309
OH|10|SOUTHEAST|3310
OK|1|PANHANDLE|3401
OK|2|NORTH CENTRAL|3402
OK|3|NORTHEAST|3403
OK|4|WEST CENTRAL|3404
OK|5|CENTRAL|3405
OK|6|EAST CENTRAL|3406
OK|7|SOUTHWEST|3407
OK|8|SOUTH CENTRAL|3408
OK|9|SOUTHEAST|3409
OR|1|COASTAL AREA|3501
OR|2|WILLAMETTE VALLEY|3502
OR|3|SOUTHWESTERN VALLEYS|3503
OR|4|NORTHERN CASCADES|3504
OR|5|HIGH PLATEAU|3505
OR|6|NORTH CENTRAL|3506
OR|7|SOUTH CENTRAL|3507
OR|8|NORTHEAST|3508
OR|9|SOUTHEAST|3509
PA|1|POCONO MOUNTAINS|3601
PA|2|EAST CENTRAL MOUNTAINS|3602
PA|3|SOUTHEASTERN PIEDMONT|3603
PA|4|LOWER SUSQUEHANNA|3604
PA|5|MIDDLE SUSQUEHANNA|3605
PA|6|UPPER SUSQUEHANNA|3606
PA|7|CENTRAL MOUNTAINS|3607
PA|8|SOUTH CENTRAL MOUNTAINS|3608
PA|9|SOUTHWEST PLATEAU|3609
PA|10|NORTHWEST PLATEAU|3610
RI|1|ALL|3701
SC|1|MOUNTAIN|3801
SC|2|NORTHWEST|3802
SC|3|NORTH CENTRAL|3803
SC|4|NORTHEAST|3804
SC|5|WEST CENTRAL|3805
SC|6|CENTRAL|3806
SC|7|SOUTHERN|3807
SD|1|NORTHWEST|3901
SD|2|NORTH CENTRAL|3902
SD|3|NORTHEAST|3903
SD|4|BLACK HILLS|3904
SD|5|SOUTHWEST|3905
SD|6|CENTRAL|3906
SD|7|EAST CENTRAL|3907
SD|8|SOUTH CENTRAL|3908
SD|9|SOUTHEAST|3909
TN|1|EASTERN|4001
TN|2|CUMBERLAND PLATEAU|4002
TN|3|MIDDLE|4003
TN|4|WESTERN|4004
TX|1|HIGH PLAINS|4101
TX|2|LOW ROLLING PLAINS|4102
TX|3|NORTH CENTRAL|4103
TX|4|EAST TEXAS|4104
TX|5|TRANS PECOS|4105
TX|6|EDWARDS PLATEAU|4106
TX|7|SOUTH CENTRAL|4107
TX|8|UPPER COAST|4108
TX|9|SOUTHERN|4109
TX|10|LOWER VALLEY|4110
UT|1|WESTERN|4201
UT|2|DIXIE|4202
UT|3|NORTH CENTRAL|4203
UT|4|SOUTH CENTRAL|4204
UT|5|NORTHERN MOUNTAINS|4205
UT|6|UINTA BASIN|4206
UT|7|SOUTHEAST|4207
VT|1|NORTHEASTERN|4301
VT|2|WESTERN|4302
VT|3|SOUTHEASTERN|4303
VA|1|TIDEWATER|4401
VA|2|EASTERN PIEDMONT|4402
VA|3|WESTERN PIEDMONT|4403
VA|4|NORTHERN|4404
VA|5|CENTRAL MOUNTAIN|4405
VA|6|SOUTHWESTERN MOUNTAIN|4406
WA|1|WEST OLYMPIC COAST|4501
WA|2|NE OLYMPIC SAN JUAN|4502
WA|3|PUGET SOUND LOWLANDS|4503
WA|4|E OLYMPIC CASCADE FOOTHILLS|4504
WA|5|CASCADE MOUNTAINS WEST|4505
WA|6|EAST SLOPE CASCADES|4506
WA|7|OKANOGAN BIG BEND|4507
WA|8|CENTRAL BASIN|4508
WA|9|NORTHEASTERN|4509
WA|10|PALOUSE BLUE MOUNTAINS|4510
WV|1|NORTHWESTERN|4601
WV|2|NORTH CENTRAL|4602
WV|3|SOUTHWESTERN|4603
WV|4|CENTRAL|4604
WV|5|SOUTHERN|4605
WV|6|NORTHEASTERN|4606
WI|1|NORTHWEST|4701
WI|2|NORTH CENTRAL|4702
WI|3|NORTHEAST|4703
WI|4|WEST CENTRAL|4704
WI|5|CENTRAL|4705
WI|6|EAST CENTRAL|4706
WI|7|SOUTHWEST|4707
WI|8|SOUTH CENTRAL|4708
WI|9|SOUTHEAST|4709
WY|1|YELLOWSTONE DRAINAGE|4801
WY|2|SNAKE DRAINAGE|4802
WY|3|GREEN AND BEAR DRAINAGE|4803
WY|4|BIG HORN|4804
WY|5|POWDER, LITTLE MISSOURI, TONGU|4805
WY|6|BELLE FOURCHE DRAINAGE|4806
WY|7|CHEYENNE & NIOBRARA DRAINAGE|4807
WY|8|LOWER PLATTE|4808
WY|9|WIND RIVER|4809
WY|10|UPPER PLATTE|4810