Downloads
Open data
Strain potency statistics from 17,793 public state lab tests of flower, free to reuse under CC BY 4.0.
Files
- strain-thc-summary.csv: one row per strain (29 rows).
- lab-aggregates.json: everything behind the summary, including per-year and per-state medians, terpene statistics, lab concentration and exclusion counts.
How the numbers are made: lab data methodology.
License and attribution
The underlying data is Cannlytics cannabis_results, licensed CC BY 4.0. Our statistics are released under the same license. Please credit: Source: Cannlytics, cannabis_results (CC BY 4.0), analysis by Official Cannabis, and link to this page.
Columns in the CSV
| Column | Meaning |
|---|---|
strain | Strain name |
group | "network" for Official Cannabis guides, "comparison" for strains we compare against |
n_tests | De-duplicated flower lab tests matched to the strain |
n_states | States contributing tests |
first_test | Earliest test date |
last_test | Latest test date |
thc_median | Median total THC, % by weight |
thc_p25 | 25th percentile of total THC |
thc_p75 | 75th percentile of total THC |
thc_p10 | 10th percentile of total THC |
thc_p90 | 90th percentile of total THC |
share_thc_ge_25 | Share of tests at 25% total THC or more (0–1) |
cbd_tests | Tests that reported CBD |
cbd_median | Median total CBD, % by weight |
top_terpene | Terpene with the highest median |
top_terpene_median | Its median, % by weight |
terpene_tests | Tests reporting individual terpenes |
n_labs | Distinct testing labs |
max_single_lab_share | Largest share of tests from one lab (0–1) |
small_sample | true when fewer than 30 tests |