Movements by Mojave Rattlesnakes. Note that mean daily movements (in meters, averaged for an entire month) were greater for males than females, maximal in spring (April-May) and fall (August-September), and more substantial during the wet year of 2003 compared to the drought year of 2002. Source: M. Cardwell, unpublished data. www.llu.edu/llu/grad/natsci/hayes/research-d-socal-rattlesnakes/