| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.16 | 3.01 | 0.15 |
| Feb | 2.53 | 2.44 | 0.09 |
| Mar | 3.24 | 3.09 | 0.15 |
| Apr | 3.53 | 3.43 | 0.10 |
| May | 4.51 | 4.52 | -0.01 |
| Jun | 4.49 | 4.30 | 0.19 |
| Jul | 2.49 | 2.38 | 0.11 |
| Aug | 3.28 | 2.98 | 0.30 |
| Sep | 3.95 | 3.57 | 0.38 |
| Oct | 4.77 | 4.39 | 0.38 |
| Nov | 3.45 | 3.45 | 0.00 |
| Dec | 3.06 | 3.06 | 0.00 |
42.46 | 40.62 | 1.84 |