| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.56 | 3.70 | -0.14 |
| Feb | 3.48 | 3.57 | -0.09 |
| Mar | 3.64 | 3.73 | -0.09 |
| Apr | 3.12 | 3.18 | -0.06 |
| May | 3.52 | 3.65 | -0.13 |
| Jun | 5.06 | 5.10 | -0.04 |
| Jul | 5.33 | 5.45 | -0.12 |
| Aug | 5.12 | 5.26 | -0.14 |
| Sep | 4.41 | 4.57 | -0.16 |
| Oct | 3.43 | 3.53 | -0.10 |
| Nov | 2.79 | 2.82 | -0.03 |
| Dec | 3.65 | 3.65 | 0.00 |
47.11 | 48.21 | -1.10 |