Days          of grid cell (5, 5)
0	23
1	22.7125
2	22.9882
3	22.5929
4	22.4418
5	22.6597
6	22.7585
7	22.8381
8	22.031
9	23.9299
10	23.932
11	23.9911
12	24.5718
13	24.0021
14	24.0383
15	23.9865
16	24.3732
17	23.3242
18	24.6326
19	25.1769
20	25.6192
