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

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

Statistics updated November 15, 2019




Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Day 1 0.50 0.606 0.628 0.541 0.552 0.487 0.375 0.311 0.338 0.459 0.565 0.596 0.631 0.457
2019 2016 2011 2019 2019 2019 2018 2017 2018 2019 2015 2018 2018
1.00 0.542 0.548 0.525 0.467 0.387 0.250 0.232 0.294 0.489 0.531 0.550 0.512 0.366
2013 2010 2012 2018 2019 2015 2014 2017 2008 2015 2015 2014 2015,18
2.00 0.446 0.377 0.433 0.386 0.276 0.201 0.208 0.434 0.491 0.457 0.478 0.402 0.295
2009 2015 2018 2018 2010 2001,17 2005 2011 2008 2015 2012 2018 2012
3.00 0.352 0.464 0.390 0.265 0.200 0.205 0.227 0.566 0.550 0.525 0.442 0.405 0.294
2009 2015 2008 2018 2019 2001 2008 2011 2017 2010 2012 2015 2017
Update 0.50 0.572 0.585 0.506 0.521 0.433 0.340 0.287 0.318 0.431 0.532 0.571 0.613 0.422
2019 2016 2011 2018 2019 2017 2018 2017 2017 2019 2015 2018 2018
1.00 0.485 0.482 0.460 0.477 0.314 0.220 0.194 0.269 0.451 0.522 0.513 0.471 0.333
2019 2010 2012 2018 2019 2017 2005 2017 2008 2015 2015 2018 2018
2.00 0.512 0.353 0.409 0.324 0.262 0.196 0.213 0.418 0.410 0.427 0.458 0.469 0.254
2009 2018 2018 2018 2010 2012 2005 2011 2004 2015 2012 2017 2017
Day 2 0.50 0.531 0.557 0.479 0.482 0.407 0.306 0.269 0.289 0.420 0.505 0.530 0.591 0.392
2010 2016 2011 2018 2017 2017 2018 2008 2017 2019 2011 2018 2018
1.00 0.426 0.433 0.446 0.438 0.275 0.194 0.168 0.241 0.408 0.468 0.497 0.451 0.303
2009 2010 2012 2018 2010 2017 2005,14 2008 2008 2015 2015 2013,14 2018
Day 3 0.50 0.482 0.501 0.440 0.446 0.376 0.262 0.230 0.255 0.371 0.456 0.489 0.547 0.346
2010 2016 2014 2018 2017 2017 2014 2018 2017 2019 2015 2018 2018
1.00 0.418 0.418 0.378 0.397 0.248 0.142 0.147 0.202 0.347 0.397 0.443 0.420 0.257
2009 2015 2012 2018 2019 2013 2014 2008 2008 2015 2015 2010 2015


Alltime Records

Day 1 0.50 0.631 (Dec 2018)
1.00 0.550 (Nov 2015)
2.00 0.491 (Sep 2008)
3.00 0.566 (Aug 2011)
Update 0.50 0.613 (Dec 2018)
1.00 0.513 (Oct 2015)
2.00 0.512 (Jan 2009)
Day 2 0.50 0.591 (Dec 2018)
1.00 0.497 (Nov 2015)
Day 3 0.50 0.547 (Dec 2018)
1.00 0.443 (Nov 2015)