The Historical Society of Avon ParkAVON PARK, FL · EST. 1886
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Avon Park Weather Bureau Station and Instrumental Freeze Record, 1892–1895

In October 1892, the United States Weather Bureau established a cooperative voluntary observing station at Avon Park in northern DeSoto County, inaugurating systematic instrumental climatological recording on the Lake Wales Ridge[fa-1893-04-26-annual][fa-1893-01-25].

Instrumental Coverage and Early Climatological Baseline

The station’s monthly reports, compiled by the Weather Bureau’s Florida Section and published regularly in The Florida Agriculturist, recorded maximum and minimum temperatures, mean daily temperatures, precipitation totals, clear and cloudy days, and the occurrence of frosts and thunderstorms[fa-1893-04-26-annual][fa-1893-01-25]:

  • 1892 Baseline: The 1892 annual summary recorded the station’s inaugural three months of operation, documenting a maximum temperature of 96°F and a December minimum of 37°F without freezing temperatures[fa-1893-04-26-annual].
  • 1893 Precipitation and Storms: In early 1893, Avon Park recorded the lowest monthly precipitation across peninsular Florida (0.70 inches in January), establishing the seasonal dry-winter pattern typical of the central ridge[fa-1893-01-25].

The Meteorology of the 1894–1895 Citrus Disaster

The Avon Park station’s instrumental readings captured the precise atmospheric sequence that caused catastrophic mortality during the Great Freeze of 1894–1895[fa-1895-02-27]:

  1. The December 1894 Freeze: An initial Arctic blast in late December defoliated mature citrus trees across peninsular Florida but left the heartwood alive in well-drained ridge locations.
  2. The Unseasonable Thermal Surge of January 1895: During January 1895, Avon Park recorded the highest individual temperature in the entire state of Florida (86°F on 30 January) as well as the state’s highest mean maximum temperature (75.5°F), compared to northern Florida stations such as Pensacola (58.3°F mean maximum)[fa-1895-02-27]. This intense midwinter warmth stimulated rapid sap circulation and new tender leaf bud growth throughout local citrus groves.
  3. The February 1895 Polar Plunge: On 7–9 February 1895, a severe Arctic air mass struck peninsular Florida while trees were actively growing, freezing sap-filled trunks and killing mature groves to the root collar.

Station Metadata and Observer Identity

Detailed administrative metadata for cooperative observer station USC00080369 (Avon Park 2 W), including the names of individual voluntary observers and precise instrument locations, is maintained in the NOAA NCEI Historical Observing Metadata Repository (HOMR) and the 1956 U.S. Weather Bureau publication Substation History, Florida[ncei-homr][substation-history-1956]. As of September 2026, extraction of the specific 1892 observer identity is pending resolution of HOMR API proxy errors and acquisition of the 1956 Substation History document.

Continuity in State Climatological Records

The Avon Park meteorological station continued continuous monthly reporting through the late nineteenth and early twentieth centuries, appearing in the biennial statistical reports of the Florida Department of Agriculture and state climatological summaries[fa-1895-02-27].

References

  • fa-1893-04-26-annual — United States Weather Bureau, in The Florida Agriculturist (DeLand, Fla.). The Florida Agriculturist, 26 April 1893, page 6: Annual Meteorological Summary, 1892. 26 April 1893. florida-agriculturist.md
  • fa-1893-01-25 — United States Weather Bureau, in The Florida Agriculturist (DeLand, Fla.). The Florida Agriculturist, 25 January 1893, page 13: monthly Florida weather summary. 25 January 1893. florida-agriculturist.md
  • fa-1895-02-27 — United States Weather Bureau, in The Florida Agriculturist (DeLand, Fla.). The Florida Agriculturist, 27 February 1895, page 6: January Weather. 27 February 1895. florida-agriculturist.md

Where this comes from

Evidence
corroborated — More than one independent source agrees.
Review
unverified — Drafted from sources but not yet checked by a volunteer.
Rights
society

Sources

  1. United States Weather Bureau, in The Florida Agriculturist (DeLand, Fla.), The Florida Agriculturist, 26 April 1893, page 6: Annual Meteorological Summary, 1892 (1893) · newspaper
  2. United States Weather Bureau, in The Florida Agriculturist (DeLand, Fla.), The Florida Agriculturist, 25 January 1893, page 13: monthly Florida weather summary (1893) · newspaper
  3. United States Weather Bureau, in The Florida Agriculturist (DeLand, Fla.), The Florida Agriculturist, 27 February 1895, page 6: January Weather (1895) · newspaper

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