Florida Forest Service
KBDI Summary for September 19, 2017


Average Detailed Rainfall Report Archive

Percent of Area in KBDI Range
Mean Change Min/Max 0-100 101-200 201-300 301-400 401-500 501-600 601-700 701-800
Statewide 136 +17 1 / 387 26 63 9 2 0 0 0 0



KBDI Values by District

Percent of Area in KBDI Range
Mean Change Min/Max 0-100 101-200 201-300 301-400 401-500 501-600 601-700 701-800
Blackwater F.C. 234 +20 56 / 332 3 19 72 6 0 0 0 0
Chipola F.C. 173 +21 47 / 352 12 55 29 4 0 0 0 0
Tallahassee F.C. 169 +20 42 / 387 28 35 25 12 0 0 0 0
Perry 159 +19 50 / 370 12 65 16 7 0 0 0 0
Suwannee F.C. 90 +21 39 / 165 61 39 0 0 0 0 0 0
Jacksonville 128 +19 64 / 145 5 95 0 0 0 0 0 0
Waccasassa F.C. 132 +19 55 / 179 16 84 0 0 0 0 0 0
Bunnell 131 +13 88 / 157 1 99 0 0 0 0 0 0
Withlacoochee F.C. 117 +18 40 / 156 30 70 0 0 0 0 0 0
Orlando 90 0 1 / 149 59 41 0 0 0 0 0 0
Lakeland 118 +17 48 / 169 32 68 0 0 0 0 0 0
Myakka River 121 +18 59 / 165 27 73 0 0 0 0 0 0
Okeechobee 117 +12 51 / 189 32 68 0 0 0 0 0 0
Caloosahatchee F.C. 104 +18 62 / 162 54 46 0 0 0 0 0 0
Everglades 156 +14 1 / 289 11 82 7 0 0 0 0 0



KBDI Values by County

Percent of Area in KBDI Range
Mean Change Min/Max 0-100 101-200 201-300 301-400 401-500 501-600 601-700 701-800
Alachua 108 +20 55 / 161 37 63 0 0 0 0 0 0
Baker 78 +19 39 / 135 71 29 0 0 0 0 0 0
Bay 215 +21 111 / 310 0 37 60 4 0 0 0 0
Bradford 96 +19 54 / 134 50 50 0 0 0 0 0 0
Brevard 69 -39 1 / 139 72 28 0 0 0 0 0 0
Broward 184 +18 145 / 276 0 84 16 0 0 0 0 0
Calhoun 178 +22 48 / 306 12 50 37 1 0 0 0 0
Charlotte 103 +19 70 / 156 51 49 0 0 0 0 0 0
Citrus 119 +19 60 / 156 31 69 0 0 0 0 0 0
Clay 136 +18 127 / 145 0 100 0 0 0 0 0 0
Collier 104 +18 76 / 159 53 47 0 0 0 0 0 0
Columbia 93 +20 39 / 133 55 45 0 0 0 0 0 0
DeSoto 113 +19 61 / 150 40 60 0 0 0 0 0 0
Dixie 145 +21 104 / 195 0 100 0 0 0 0 0 0
Duval 130 +19 111 / 140 0 100 0 0 0 0 0 0
Escambia 260 +20 168 / 332 0 5 89 7 0 0 0 0
Flagler 131 +15 118 / 145 0 100 0 0 0 0 0 0
Franklin 124 +24 52 / 301 29 66 4 1 0 0 0 0
Gadsden 137 +18 42 / 256 30 47 23 0 0 0 0 0
Gilchrist 135 +21 94 / 149 2 98 0 0 0 0 0 0
Glades 119 +17 82 / 154 22 78 0 0 0 0 0 0
Gulf 161 +22 71 / 321 6 76 16 1 0 0 0 0
Hamilton 82 +23 44 / 165 88 12 0 0 0 0 0 0
Hardee 149 +17 132 / 155 0 100 0 0 0 0 0 0
Hendry 97 +18 72 / 152 66 34 0 0 0 0 0 0
Hernando 92 +21 54 / 149 64 36 0 0 0 0 0 0
Highlands 104 +19 78 / 154 51 49 0 0 0 0 0 0
Hillsborough 115 +18 52 / 169 32 68 0 0 0 0 0 0
Holmes 120 +22 47 / 226 39 52 9 0 0 0 0 0
Indian River 111 -8 51 / 159 28 72 0 0 0 0 0 0
Jackson 182 +21 48 / 321 14 48 32 6 0 0 0 0
Jefferson 287 +16 107 / 387 0 10 44 46 0 0 0 0
Lafayette 107 +22 50 / 188 39 61 0 0 0 0 0 0
Lake 135 +16 78 / 152 6 94 0 0 0 0 0 0
Lee 117 +18 62 / 162 38 62 0 0 0 0 0 0
Leon 188 +20 45 / 353 13 38 40 8 0 0 0 0
Levy 151 +21 66 / 179 7 93 0 0 0 0 0 0
Liberty 86 +24 43 / 259 70 26 3 0 0 0 0 0
Madison 230 +17 51 / 370 9 26 36 29 0 0 0 0
Manatee 130 +19 59 / 165 9 91 0 0 0 0 0 0
Marion 127 +18 61 / 165 21 79 0 0 0 0 0 0
Martin 148 +9 56 / 189 2 98 0 0 0 0 0 0
Miami-Dade 171 +20 92 / 282 2 86 13 0 0 0 0 0
Monroe 108 +20 80 / 177 49 51 0 0 0 0 0 0
Nassau 117 +18 64 / 131 16 84 0 0 0 0 0 0
Okaloosa 206 +22 62 / 322 6 38 53 2 0 0 0 0
Okeechobee 100 +17 72 / 138 58 42 0 0 0 0 0 0
Orange 104 +14 53 / 145 45 55 0 0 0 0 0 0
Osceola 88 +14 40 / 149 70 30 0 0 0 0 0 0
Palm Beach 149 +3 1 / 289 7 91 2 0 0 0 0 0
Pasco 94 +20 40 / 153 56 44 0 0 0 0 0 0
Pinellas 114 +16 48 / 150 33 67 0 0 0 0 0 0
Polk 121 +17 57 / 155 32 68 0 0 0 0 0 0
Putnam 143 +17 119 / 149 0 100 0 0 0 0 0 0
Santa Rosa 242 +20 56 / 328 3 11 78 8 0 0 0 0
Sarasota 112 +19 63 / 162 33 67 0 0 0 0 0 0
Seminole 124 +12 85 / 145 13 87 0 0 0 0 0 0
St. Johns 125 +17 109 / 142 0 100 0 0 0 0 0 0
St. Lucie 133 +6 65 / 175 9 91 0 0 0 0 0 0
Sumter 127 +17 61 / 153 18 82 0 0 0 0 0 0
Suwannee 98 +25 46 / 138 51 49 0 0 0 0 0 0
Taylor 151 +20 76 / 337 7 71 21 1 0 0 0 0
Union 96 +19 44 / 131 49 51 0 0 0 0 0 0
Volusia 134 +10 88 / 157 2 98 0 0 0 0 0 0
Wakulla 216 +20 48 / 340 13 28 38 20 0 0 0 0
Walton 180 +23 64 / 352 4 66 23 8 0 0 0 0
Washington 148 +23 51 / 286 21 58 21 0 0 0 0 0

The Keetch-Byram drought index (KBDI) is a continuous reference scale for estimating the dryness of the soil and duff layers.
The range of the index is determined by assuming that there is 8 inches of moisture in a saturated soil that is readily available to the vegetation.
Updated once every day at 1:15 p.m. Eastern/12:15 p.m. Central (Standard) or 2:15 p.m. Eastern/1:00 p.m. Central (Daylight Saving).