| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.89 | 3.00 | -0.11 |
| Feb | 2.61 | 2.71 | -0.10 |
| Mar | 3.62 | 3.77 | -0.15 |
| Apr | 3.32 | 3.36 | -0.04 |
| May | 3.98 | 4.31 | -0.33 |
| Jun | 4.12 | 4.51 | -0.39 |
| Jul | 4.48 | 4.43 | 0.05 |
| Aug | 3.69 | 3.81 | -0.12 |
| Sep | 4.22 | 4.35 | -0.13 |
| Oct | 3.67 | 3.92 | -0.25 |
| Nov | 2.96 | 3.14 | -0.18 |
| Dec | 3.54 | 3.64 | -0.10 |
43.10 | 44.95 | -1.85 |