Table S1.

The number of wildfires, total burned area (ha), and fire season length (IQR, in days), by state

StateNo. of firesHuman caused (%)Area burned (ha)Human caused (%)Fire season length (days)Human expansion (%)
HumanLightningHumanLightningHumanLightning
AL59216125698313576171919518559314
AR26031202993156562243028717939459
AZ3398226909561030802967306526939177
CA136259235138528020561389429678649176
CO78441821230208888372366369343216
CT453217100376331995351104
DC53198110100116NANA
DE14310932626410011120569
FL5981519576758371407388615311449233
GA1517697280953742192477246017352333
IA7898996884659917787204
ID836718586317968964003685176327233
IL1879309886513029719388220
IN194428994902410016267243
KS1348118924180955698812760214
KY18172118993144161356100221122182
LA225552832891538397003869195189103
MA397209523653829722446
MD255810096203682789913846298
ME5234292954066104985543128
MI8287471953030019375616357112
MN39781911983868486264086377152
MO151341579914017217899912612998
MS649134979937545232349918966286
MT1779715791534038061846692188430280
NC82029177598170912635877312361203
ND126853789712015419358869952191
NE5287926851003262033913314955272
NH1967789612174197487663
NJ2286219599437549389812157214
NM1304216694448203791185463419642229
NV46041017631326896336110297836217
NY6170341029430540170695117108108
OH185514994431309919760330
OK242431373956883332466597177150118
OR2538527146483711062112155157132222
PA62581369815534516973810536
RI3120100149010045NANA
SC5227018659714232499049315853298
SD218685086813485962412945913438353
TN274594159916488371359621395224
TX10818260379525209566940907818471259
UT535615083264296901062150296739172
VA18606100895107536166218713080162
VT1868963104997372101
WA19583821270519324607610466334185
WI288556369827930848978178104
WV1940126099213293249599219111197
WY4783580145189045693882219939254
  • NA, not applicable.