1 8 2 5 ▁out ▁of ▁Pi ke ▁and ▁F ult on ▁count ies . ▁It ▁is ▁named ▁for ▁Philip ▁Sch uy ler , ▁member ▁of ▁the ▁Cont inental ▁Congress ▁and ▁Senator ▁from ▁New ▁York . ▁ ▁Geography ▁According ▁to ▁the ▁US ▁Census ▁Bureau , ▁the ▁county ▁has ▁a ▁total ▁area ▁of ▁, ▁of ▁which ▁ ▁is ▁land ▁and ▁ ▁( 0 . 9 %) ▁is ▁water . ▁ ▁Cl imate ▁and ▁weather ▁ ▁In ▁recent ▁years , ▁average ▁temper atures ▁in ▁the ▁county ▁seat ▁of ▁R ush ville ▁have ▁r anged ▁from ▁a ▁low ▁of ▁ ▁in ▁January ▁to ▁a ▁high ▁of ▁ ▁in ▁July , ▁although ▁a ▁record ▁low ▁of ▁ ▁was ▁recorded ▁in ▁February ▁ 1 9 0 5 ▁and ▁a ▁record ▁high ▁of ▁ ▁was ▁recorded ▁in ▁July ▁ 1 9 3 6 . ▁ ▁A verage ▁month ly ▁precip itation ▁r anged ▁from ▁ ▁in ▁January ▁to ▁ ▁in ▁May . ▁ ▁Major ▁high ways ▁▁▁ ▁U . S . ▁Highway ▁ 2 4 ▁▁ ▁U . S . ▁Highway ▁ 6 7 ▁▁ ▁Illinois ▁Route ▁ 9 9 ▁▁ ▁Illinois ▁Route ▁ 1 0 0 ▁▁ ▁Illinois ▁Route ▁ 1 0 1 ▁▁ ▁Illinois ▁Route ▁ 1 0 3 ▁ ▁Ad j acent ▁count ies ▁▁ ▁Han cock ▁County ▁( n orth west ) ▁ ▁Mc Don ough ▁County ▁( n orth ) ▁ ▁F ult on ▁County ▁( n ortheast ) ▁ ▁Mason ▁County ▁( east ) ▁ ▁Cass ▁County ▁( s out heast ) ▁