Top: HOBO 64K Pendant temperature logger (Onset Computer Corporation) deployed inside a weep hole with a bolt and toggle. Mesh was placed at the weep hole entrance to exclude bats. Bottom: HOBO temperature logger mounted on the culvert wall with a 15×7-cm 2-cm-thick (approx.) wooden block, an eye screw, and a carabiner. The wooden blocks were adhered to the culvert walls with 100% silicone caulk.