श्रावणः प्रौष्ठपदश्च वर्षाः ॥ कZ_०२.२०.५५ ॥
śrāvaṇaḥ prauṣṭhapadaś ca varṣāḥ
Śrāvaṇa and Prauṣṭhapada constitute the rainy season (varṣāḥ).
Irrigation oversight, embankment inspections, grain storage protection, and adjusting transport/military movement to weather constraints.