| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.96 | 4.70 | 0.26 |
| Feb | 4.12 | 4.04 | 0.08 |
| Mar | 4.92 | 4.84 | 0.08 |
| Apr | 4.77 | 4.64 | 0.13 |
| May | 4.76 | 4.71 | 0.05 |
| Jun | 4.69 | 4.72 | -0.03 |
| Jul | 5.03 | 4.99 | 0.04 |
| Aug | 5.04 | 5.17 | -0.13 |
| Sep | 5.08 | 4.71 | 0.37 |
| Oct | 4.46 | 4.14 | 0.32 |
| Nov | 4.41 | 4.31 | 0.10 |
| Dec | 5.21 | 5.20 | 0.01 |
57.45 | 56.17 | 1.28 |