| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.90 | 4.07 | -0.17 |
| Feb | 3.36 | 3.41 | -0.05 |
| Mar | 4.48 | 4.73 | -0.25 |
| Apr | 4.43 | 4.55 | -0.12 |
| May | 3.56 | 3.57 | -0.01 |
| Jun | 4.21 | 4.36 | -0.15 |
| Jul | 3.76 | 3.83 | -0.07 |
| Aug | 4.03 | 4.27 | -0.24 |
| Sep | 4.16 | 4.15 | 0.01 |
| Oct | 4.88 | 4.84 | 0.04 |
| Nov | 4.06 | 4.12 | -0.06 |
| Dec | 4.71 | 4.94 | -0.23 |
49.54 | 50.84 | -1.30 |