| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.43 | 1.49 | -0.06 |
| Feb | 1.41 | 1.61 | -0.20 |
| Mar | 2.11 | 2.07 | 0.04 |
| Apr | 3.64 | 3.72 | -0.08 |
| May | 4.14 | 4.30 | -0.16 |
| Jun | 5.33 | 5.27 | 0.06 |
| Jul | 4.24 | 4.10 | 0.14 |
| Aug | 4.00 | 4.12 | -0.12 |
| Sep | 3.50 | 3.46 | 0.04 |
| Oct | 2.89 | 2.82 | 0.07 |
| Nov | 2.20 | 2.16 | 0.04 |
| Dec | 1.62 | 1.74 | -0.12 |
36.51 | 36.86 | -0.35 |