| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.45 | 3.49 | -0.04 |
| Feb | 2.73 | 2.82 | -0.09 |
| Mar | 3.71 | 3.75 | -0.04 |
| Apr | 5.06 | 5.04 | 0.02 |
| May | 5.24 | 5.21 | 0.03 |
| Jun | 4.97 | 5.17 | -0.20 |
| Jul | 4.45 | 4.56 | -0.11 |
| Aug | 3.52 | 3.31 | 0.21 |
| Sep | 3.50 | 3.61 | -0.11 |
| Oct | 3.63 | 3.65 | -0.02 |
| Nov | 3.92 | 3.95 | -0.03 |
| Dec | 3.35 | 3.48 | -0.13 |
47.53 | 48.04 | -0.51 |