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Table 1 Climatic and geographical information of sampling area

From: Assessment and comparison of phytochemical constituents and biological activities of bitter bean (Parkia speciosa Hassk.) collected from different locations in Malaysia

Locations Lowest temperature (°C) Highest temperature (°C) Above sea level (m) Average humidity (%) Average light intensity (µmol m−2 s−1) Average sunny day (h) Average rainfall (mm)
Perak 21 36 45 84 1020 140 224
Negeri Sembilan 22 37 34 80 940 181 195
Johor 23 36 32 78 860 166 181