2011 Annual Report final - City of Pittsburgh

90Channel 7 & 8TRUA.M. P.M. Night A.M. P.M. NightJanuary 194 62 34 373 274February 120 42 35 269 267March 144 25 34 327 404April 85 27 12 346 339May 171 56 25 381 443June 94 68 17 432 493July 102 87 34 440 447August 126 16 24 493 551September 95 30 24 371 459October 60 16 16 374 421November 72 58 24 373 416December 42 46 13 374 382Total 1,305 533 292 4,553 4,8995. Percent of Calls by Zone and by Shift:A.M. P.M. NightZone 1 32% 42% 26%Zone 2 30% 38% 32%Zone 3 26% 40% 35%Zone 4 37% 41% 22%Zone 5 31% 41% 28%Zone 6 31% 44% 25%Channel 7 & 8 61% 25% 14%TRU 48% 52%Citywide 32% 41% 27%6. Response Times: Of the 268,431 calls for service, 236,791 were able to have response times calculated.Using a measure of central tendency for police calls for service response time is not useful as most callsfor service have a response time ranging from 0 minutes and 0 seconds thru 0 minutes and 16 seconds(70.3% of calls with response times calculated) creating an unusable mean, median and mode. Analysisof response times by binning them into 10% sectors indicates that 90% of all police calls are answered inless than 6 minutes and 45 seconds.7. Calls by Type and Month:CitywideJanuaryFebruaryMarchAprilMayAbduction 2 3 2 2 5 4 3 3 4 2 1 7 38Accident 504 401 398 360 415 404 416 417 440 507 393 443 5,098Alarm - Audible 29 42 47 29 25 48 44 47 46 22 39 30 448Alarm - Burglar 1,176 1,200 1,148 1,262 1,377 1,435 1,467 1,327 1,214 1,230 1,249 1,218 15,303Alarm - Hold Up 18 27 31 33 33 52 57 45 30 30 34 36 426JuneJulyAugustSeptemberOctoberNovemberDecemberTotal