Life & fun · September 3, 2026
Ilystics
Construction documentation for weather delays simplified
What it does
Ten years of NOAA station data turned into something construction contracts actually need: how many workdays weather and mud costs a jobsite, month by month, for 45 US metros. Free exhibits, no account. The full dataset is open under CC BY.
Generate an Anticipated Weather Exhibit formatted for AIA A201 §8.3 submissions for any US jobsite in 60 seconds. 10-year NOAA rainfall baselines + USDA soil drying analysis. Free, no account required.
10-year NOAA baselines and USDA soil science for any US jobsite — whether you are pricing the risk or proving it happened. How many workdays weather typically costs at that site, so you can carry the right number in the bid and set a defensible baseline. A day-by-day record of what actually happened on the disputed dates, measured against the 10-year baseline for those same dates. Not sure? Start with the free exhibit — it costs nothing and tells you what a normal month looks like at that site. Every figure names its source, so the other side can check it. Rain stops work; wet ground keeps it stopped, and how long depends on what the site is made of. We pull the USDA NRCS map…from ilystics.com
Does the same job
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- PTProbably the most comprehensive weather API currently available2020 · ▲22
This was posted before but I'm quite pleased to share a major update for https://oikolab.com. We now have available seven decades of hourly weather data starting from 1950 for any location in the world, thanks to the recent publication of ERA5 reanalysis data from European Centre for Medium-Range Weather Forecasts (ECMWF). ERA5 is gap-free, gridded dataset generated using data assimilation method (https://en.wikipedia.org/wiki/Data_assimilation), similar to NWP models but with the benefit of hindsight. As far as we're aware of, we're the first weather data…
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