MOUNT WASHINGTON OBSERVATORY, of NORTH CONWAY, NH, is a Public Charity tracked in Imperigo's IRS 990 database. The 2025 filing shows $2.7M in revenue, $2.4M in expenses, $12.4M in total assets. 32 publicly reported grants to this organization, totaling roughly $716K, appear in IRS filings.
TO ADVANCE UNDERSTANDING OF THE NATURAL SYSTEMS THAT CREATE EARTH'S WEATHER AND CLIMATE. IT SERVES THIS MISSION BY MAINTAINING A WEATHER STATION ON THE SUMMIT OF MOUNT WASHINGTON, PERFORMING WEATHER AND CLIMATE RESEARCH, CONDUCTING INNOVATIVE SCIENCE EDUCATION PROGRAMS, AND INTERPRETING THE HERITAGE OF THE MOUNT WASHINGTON REGION.
How Mount Washington Observatory divides every $100 it spends, from its own Form 990 filings, averaged across 8 years.
Source: Form 990 filings with the IRS, latest fiscal year 2025. Shares are from the organization's reported expenses. Data by Imperigo; not affiliated with the IRS.
Showing up to 5 of 32 total records — full history available with membership.
Officer compensation and complete director data available with membership.
| Year | Revenue | Expenses | Assets |
|---|---|---|---|
| 2025 | $2.7M | $2.4M | $12.4M |
| 2024 | $2.6M | $2.3M | $10.4M |
| 2023 | $6.2M | $1.9M | $9.9M |
| 2022 | $2.1M | $1.6M | $5.7M |
| 2021 | $1.8M | $1.7M | $5.3M |
Between 2021 and 2025, reported annual revenue grew from $1.8M to $2.7M (+55%), with total assets most recently reported at $12.4M.
Interactive year-over-year charts and full filing details available with membership.
