| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.21 | 4.30 | -0.09 |
| Feb | 3.80 | 3.83 | -0.03 |
| Mar | 4.58 | 4.64 | -0.06 |
| Apr | 3.90 | 3.90 | 0.00 |
| May | 3.90 | 3.79 | 0.11 |
| Jun | 4.35 | 4.12 | 0.23 |
| Jul | 3.99 | 4.05 | -0.06 |
| Aug | 4.45 | 4.55 | -0.10 |
| Sep | 3.90 | 3.51 | 0.39 |
| Oct | 3.34 | 3.44 | -0.10 |
| Nov | 3.67 | 3.83 | -0.16 |
| Dec | 4.42 | 4.68 | -0.26 |
48.51 | 48.64 | -0.13 |