Mathematical Modeling and Numerical Analysis of Thermal Distribution in Arch Dams considering Solar Radiation Effect

Table 3

Recommended values of 𝑛 for different months.

Month	𝑛 value for 𝑖th day of month	For the average day of the month
		𝑛th day of month	𝑛th day of year
January	𝑖	17	17
February	31+𝑖	16	47
March	59+𝑖	16	75
April	90+𝑖	15	105
May	120+𝑖	15	135
June	151+𝑖	11	162
July	181+𝑖	17	198
August	212+𝑖	16	228
September	243+𝑖	15	258
October	273+𝑖	15	288
November	304+𝑖	14	318
December	334+𝑖	10	344