| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.98 | 4.00 | -0.02 |
| Feb | 2.98 | 3.06 | -0.08 |
| Mar | 3.58 | 3.58 | 0.00 |
| Apr | 4.06 | 4.14 | -0.08 |
| May | 5.10 | 5.23 | -0.13 |
| Jun | 5.51 | 5.50 | 0.01 |
| Jul | 4.09 | 4.22 | -0.13 |
| Aug | 4.81 | 5.13 | -0.32 |
| Sep | 4.97 | 5.24 | -0.27 |
| Oct | 4.94 | 4.77 | 0.17 |
| Nov | 4.31 | 4.46 | -0.15 |
| Dec | 3.96 | 4.08 | -0.12 |
52.29 | 53.41 | -1.12 |