| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.82 | 0.97 | -0.15 |
| Feb | 0.81 | 0.94 | -0.13 |
| Mar | 1.64 | 1.75 | -0.11 |
| Apr | 2.94 | 3.06 | -0.12 |
| May | 4.19 | 4.26 | -0.07 |
| Jun | 4.78 | 4.99 | -0.21 |
| Jul | 4.23 | 4.23 | 0.00 |
| Aug | 4.59 | 4.43 | 0.16 |
| Sep | 3.40 | 3.31 | 0.09 |
| Oct | 2.74 | 2.89 | -0.15 |
| Nov | 1.62 | 1.72 | -0.10 |
| Dec | 1.18 | 1.33 | -0.15 |
32.94 | 33.88 | -0.94 |