| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.42 | 3.36 | 0.06 |
| Feb | 2.75 | 2.79 | -0.04 |
| Mar | 4.10 | 3.99 | 0.11 |
| Apr | 3.83 | 3.71 | 0.12 |
| May | 3.99 | 3.93 | 0.06 |
| Jun | 4.28 | 4.15 | 0.13 |
| Jul | 4.86 | 4.69 | 0.17 |
| Aug | 4.52 | 4.57 | -0.05 |
| Sep | 4.55 | 4.52 | 0.03 |
| Oct | 4.17 | 4.25 | -0.08 |
| Nov | 3.30 | 3.27 | 0.03 |
| Dec | 4.31 | 4.31 | 0.00 |
48.08 | 47.54 | 0.54 |