| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.80 | 0.94 | -0.14 |
| Feb | 0.80 | 0.94 | -0.14 |
| Mar | 1.62 | 1.74 | -0.12 |
| Apr | 2.90 | 2.99 | -0.09 |
| May | 4.12 | 4.31 | -0.19 |
| Jun | 4.77 | 5.01 | -0.24 |
| Jul | 4.18 | 4.29 | -0.11 |
| Aug | 4.54 | 4.61 | -0.07 |
| Sep | 3.26 | 3.35 | -0.09 |
| Oct | 2.62 | 2.68 | -0.06 |
| Nov | 1.57 | 1.67 | -0.10 |
| Dec | 1.14 | 1.28 | -0.14 |
32.32 | 33.81 | -1.49 |