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

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

Statistics updated March 17, 2025




Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Day 1 0.50 0.639 0.628 0.579 0.552 0.487 0.391 0.353 0.371 0.459 0.565 0.611 0.655 0.481
2024 2016 2021 2019 2019 2021 2021 2023 2018 2019 2024 2020 2024
1.00 0.542 0.557 0.525 0.467 0.387 0.290 0.251 0.294 0.489 0.531 0.550 0.545 0.384
2013 2020 2012 2018 2019 2021 2021 2017 2008 2015 2015 2023 2024
2.00 0.449 0.437 0.433 0.430 0.276 0.213 0.235 0.434 0.491 0.457 0.478 0.426 0.304
2024 2020 2018 2020 2010 2024 2024 2011 2008 2015 2012 2023 2024
3.00 0.352 0.464 0.390 0.299 0.200 0.244 0.227 0.566 0.550 0.525 0.442 0.405 0.294
2009 2015 2008 2020 2019 2022 2008 2011 2017 2010 2012 2015 2017
Day 2 0.50 0.597 0.568 0.508 0.482 0.407 0.309 0.293 0.305 0.420 0.505 0.540 0.594 0.419
2024 2022 2021,22 2018 2017 2021 2021 2023 2017 2019 2024 2020 2024
1.00 0.468 0.488 0.446 0.438 0.275 0.208 0.183 0.254 0.408 0.468 0.497 0.472 0.320
2024 2020 2012 2018 2010 2021 2021 2024 2008 2015 2015 2023 2024
2.00 0.341 0.374 0.361 0.323 0.204 0.138 0.184 0.378 0.376 0.355 0.397 0.356 0.226
2024 2025 2018 2018 2010 2024 2005 2011 2008 2015 2012 2017 2012,24
Day 3 0.50 0.520 0.544 0.461 0.446 0.376 0.269 0.239 0.255 0.371 0.456 0.489 0.547 0.367
2024 2022 2021 2018 2017 2023 2021 2018 2017 2019 2015 2018 2024
1.00 0.439 0.445 0.400 0.397 0.248 0.148 0.156 0.202 0.347 0.397 0.443 0.435 0.273
2023 2025 2023 2018 2019 2023 2021 2008 2008 2015 2015 2022 2024
2.00 0.380 0.354 0.298 0.343 0.153 0.142 0.149 0.286 0.332 0.264 0.377 0.378 0.199
2020 2015 2018 2020 2010 2020 2005 2011 2017 2015 2012 2017 2024


Alltime Records

Day 1 0.50 0.655 (Dec 2020)
1.00 0.557 (Feb 2020)
2.00 0.491 (Sep 2008)
3.00 0.566 (Aug 2011)
Day 2 0.50 0.594 (Dec 2020)
1.00 0.497 (Nov 2015)
2.00 0.397 (Nov 2012)
Day 3 0.50 0.547 (Dec 2018)
1.00 0.445 (Feb 2025)
2.00 0.380 (Jan 2020)