Black Birch Farm Apiaries Research
Seasonal Data Updates:

2024 Bee Season - Growing Degree Days

Posted 13 July 2024

POSTED ON JUNE 21, 2024

Bee Season - Growing Degree Days (GDD):

At Black Birch Farm Apiaries we monitor Temperature, Rainfall, Cumulative Precipitation & Evapotranspiration to determine moisture stress to determine Growing Degree Days (GDD) and their affect on both hive activity and nectar flow. This information is posted on a seasonal basis. Note: During winter months select data is unavailable

LEGEND (BBF = Black Birch Farm):

Green = BBF RAINFALL (Max Rain in Inches)

Red = BBF MAX TEMP (Max Temp in Degrees Fahrenheit)

Blue = BBF MIN TEMP (Min Temp in Degrees Fahrenheit)

Lt Orange = FLIGHT ENABLED

Lt Blue = FREEZE

Red Dotted Line= BBF TEMP (Temp in Degrees Fahrenheit)

Brown = BBF CUM PPT ( Cum Rain in Inches)

Dk Orange= BBF CUM EVAPOTRANSPORATION (Reference ET in Inches)

Thick Yellow = GROWING DEGREE DAYS


2023-2024 Accumulated Winter Season Severity Index (AWSSI)

Posted 3 December 2023

Accumulated Winter Season Severity Index (AWSSI)

As developed by the National Weather Service, BBF calculates the daily AWSSI and posts such information in graph form for the entire winter season. For our area runs late October until beginning of Spring (first and last significant snowfalls)