| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.09 | 2.65 | 0.44 |
| Feb | 2.77 | 2.46 | 0.31 |
| Mar | 3.72 | 3.34 | 0.38 |
| Apr | 3.80 | 3.52 | 0.28 |
| May | 4.74 | 4.50 | 0.24 |
| Jun | 4.14 | 3.84 | 0.30 |
| Jul | 4.27 | 3.76 | 0.51 |
| Aug | 3.53 | 3.35 | 0.18 |
| Sep | 3.41 | 3.31 | 0.10 |
| Oct | 2.74 | 2.57 | 0.17 |
| Nov | 2.71 | 2.46 | 0.25 |
| Dec | 3.19 | 2.96 | 0.23 |
42.11 | 38.72 | 3.39 |