| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.48 | 3.62 | -0.14 |
| Feb | 2.83 | 2.88 | -0.05 |
| Mar | 4.14 | 4.22 | -0.08 |
| Apr | 3.67 | 3.82 | -0.15 |
| May | 4.05 | 4.00 | 0.05 |
| Jun | 4.34 | 4.58 | -0.24 |
| Jul | 4.94 | 4.83 | 0.11 |
| Aug | 4.43 | 4.52 | -0.09 |
| Sep | 4.07 | 4.16 | -0.09 |
| Oct | 4.15 | 4.12 | 0.03 |
| Nov | 3.23 | 3.35 | -0.12 |
| Dec | 4.30 | 4.37 | -0.07 |
47.63 | 48.47 | -0.84 |