Is it real?
Yes. Never revoked by the IRS. Latest filing on record: FY2025. IRS ruling in Oct 1951.
IRS Pub. 78 · IRS Auto-Revocation List · IRS Business Master File
Where the money goes
64 cents of each dollar spent went to programs.
Form 990 Part IX, line 25, columns B–D. Every line is in By the numbers.
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Who runs it and what they're paid
22 people listed on the 990-T; $183K paid to officers and key staff.
Drew Bush’s $117K as Executive Director is at the 18th percentile of top reported officer pay among 363 $1–10M science & technology nonprofits. Peer set: organizations in the same NTEE major field of work and revenue-size band, compared on each org’s own highest-paid officer/key-employee, from Form 990 Part VII / 990-PF Part VIII. Descriptive placement, not a verdict on whether the pay is appropriate.
Compensation history total reportable pay by year · 4 named individuals · Part VII
| Name | FY2025 | FY2024 | FY2023 | FY2022 | FY2021 | FY2020 |
|---|---|---|---|---|---|---|
| Sharon Schilling | — | — | — | — | — | $121,335 |
| Drew Bush | $116,778 | $111,748 | $35,078 | — | — | — |
| Donna Dunn | — | — | $97,300 | $113,257 | $60,112 | — |
| Brenda Sullivan | $76,066 | $78,849 | $71,911 | $69,506 | $74,515 | $67,135 |
Total reportable compensation (Form 990 Part VII column D / Schedule J column E) by filing year, matched by name within this organization. The Schedule J base / bonus / deferred breakdown is not parsed into this dataset.
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Questions the 990 asks
The form asks each of these directly. These are the filed answers.
- Family or business ties among officersPt VI · Ln 2No
- Top official's pay set by an independent reviewPt VI · Ln 15aYes
Programs and updates
Conducts scientific research for government, education, and industry.
Questions for Mount Washington Observatory
Your first name shows with your question. Mount Washington Observatory answers here, for everyone.
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Observatory and Research
Observations tracked and submitted to NWS- over the course of a year, we did 8,760 hourly observations- we perform two daily QC checks, a weekly QC, and a monthly QC- we recently received our updated 30-YEAR data set and updated those values on the website as well as on our DOCUMENTS.- continue to send data to NWS hourly and national…
Educationvirtual Classroom
- free weekly program for middle school classrooms covering topics in weather, climate and climate CHANGE.- 22 of the eventual 30 programs offered this 2021-2022 school year, with classrooms across new hampshire, maine and new jersey regularly PARTICIPATING.- 15 hours worth of free programming produced, with accompanying worksheets and…
Funders
Who pays for it.
From grant filings on record. Receipts are incomplete: individual donors are never listed.
Grants
By the numbers
The FY2022 990-T, line by line.
Download 990
Filing history
| Year | Money in | Money out | In minus out | Net assets | Download |
|---|---|---|---|---|---|
| FY2025 Latest | $2.7M | $2.4M | $330K | $10.1M | 990 PDF |
| FY2024 | $2.6M | $2.3M | $313K | $9.6M | 990 PDF |
| FY2023 | $6.2M | $1.9M | $4.3M | $8.6M | 990 PDF |
| FY2022 Viewing | $2.1M | $1.6M | $503K | $4.5M | 990 PDF |
| FY2021 | $1.8M | $1.7M | $59K | $4.2M | 990 PDF |
| FY2020 | $1.8M | $2.1M | −$310K | $3.5M | 990 PDF |
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Schedules filed Part IV
Form 990 e-file (XML) FY2022 from the IRS · Classification, formation year and address from the IRS Business Master File
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