WPC FORECAST OPERATIONS BRANCH
MONTHLY RECORD THREAT SCORES
24-HOUR QPF

(NUMBERS IN BOLD ARE ALL TIME RECORDS FOR THAT CATEGORY)

Statistics updated July 11, 2017



Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Day 1 0.50 0.590 0.628 0.541 0.499 0.469 0.359 0.310 0.319 0.441 0.537 0.596 0.614 0.444
2010 2016 2011 2014 2017 2015,17 2014 2008 2008 2014 2015 2013 2015
1.00 0.542 0.548 0.525 0.400 0.311 0.250 0.232 0.268 0.489 0.531 0.550 0.512 0.366
2013 2010 2012 2013 2010 2015 2014 2008 2008 2015 2015 2014 2015
2.00 0.446 0.377 0.429 0.328 0.276 0.201 0.208 0.434 0.491 0.457 0.478 0.395 0.295
2009 2015 2012 2009 2010 2001,17 2005 2011 2008 2015 2012 2008 2012
3.00 0.352 0.464 0.390 0.217 0.183 0.205 0.227 0.566 0.448 0.525 0.442 0.405 0.276
2009 2015 2008 2007 1989 2001 2008 2011 2004 2010 2012 2015 2015
Update 0.50 0.558 0.585 0.506 0.459 0.419 0.340 0.283 0.310 0.409 0.495 0.571 0.599 0.413
2010 2016 2011 2014,17 2017 2017 2014 2015 2008 2015 2015 2013 2015
1.00 0.479 0.482 0.460 0.373 0.292 0.220 0.194 0.250 0.451 0.522 0.513 0.463 0.328
2013 2010 2012 2017 2010 2017 2005 2008 2008 2015 2015 2009 2015
2.00 0.512 0.333 0.360 0.305 0.262 0.196 0.213 0.418 0.410 0.427 0.458 0.351 0.242
2009 2015 2016 2016 2010 2012 2005 2011 2004 2015 2012 2015 2012
Day 2 0.50 0.531 0.557 0.479 0.443 0.407 0.306 0.257 0.289 0.382 0.465 0.530 0.566 0.377
2010 2016 2011 2017 2017 2017 2014 2008 2008 2014 2011 2013 2015
1.00 0.426 0.433 0.446 0.348 0.275 0.194 0.168 0.241 0.408 0.468 0.497 0.451 0.296
2009 2010 2012 2017 2010 2017 2005,14 2008 2008 2015 2015 2013,14 2015
Day 3 0.50 0.482 0.501 0.440 0.403 0.376 0.262 0.230 0.249 0.347 0.444 0.489 0.481 0.341
2010 2016 2014 2014 2017 2017 2014 2008 2008 2014 2015 2013 2014
1.00 0.418 0.418 0.378 0.298 0.233 0.142 0.147 0.202 0.347 0.397 0.443 0.420 0.257
2009 2015 2012 2017 2010 2013 2014 2008 2008 2015 2015 2010 2015


Alltime Records
Day 1 0.50 0.628 (Feb 2016)
1.00 0.550 (Nov 2015)
2.00 0.491 (Sep 2008)
3.00 0.566 (Aug 2011)
Update 0.50 0.599 (Dec 2013)
1.00 0.513 (Oct 2015)
2.00 0.512 (Jan 2009)
Day 2 0.50 0.566 (Dec 2013)
1.00 0.497 (Nov 2015)
Day 3 0.50 0.501 (Feb 2016)
1.00 0.443 (Nov 2015)