| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.41 | 3.61 | -0.20 |
| Feb | 3.05 | 3.21 | -0.16 |
| Mar | 3.71 | 3.93 | -0.22 |
| Apr | 3.97 | 4.09 | -0.12 |
| May | 3.84 | 4.05 | -0.21 |
| Jun | 4.68 | 4.79 | -0.11 |
| Jul | 4.42 | 4.22 | 0.20 |
| Aug | 4.40 | 4.32 | 0.08 |
| Sep | 4.52 | 4.67 | -0.15 |
| Oct | 4.84 | 5.12 | -0.28 |
| Nov | 3.66 | 3.84 | -0.18 |
| Dec | 4.30 | 4.51 | -0.21 |
48.80 | 50.36 | -1.56 |