moistur and the grass is a little bit drier than the southern portion >> reporter: assistant chief chris bachman said they have extra crews working during peak hours. on our way to our first call of the night we spotted illegal fireworks shows going o along the highway. firefighters were able to put out the small fires by the time we arrived. this region has lots of dry, grassy areas, which has firefighters concerned about fires and injuries. weather conditions were somewhat favorable this july 4th. >> this nice, cool, kind of wet humid weather. it is a little bit windy, so if it does start it will still spread, but the humidity and the cool weather i definitely helping. >> reporter: fire investigators were also busy patrolling and confiscating illegal fireworks. violators could face fines. onc we reached the 10:00 hour there were nine calls going at the same time in a 10-minute period >> what you see now with the number of calls running is pretty common with how they usually come in year after year you can stay at this pace unti usually about 11: 30, 12:00. >> we have been checking throug the n