| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.44 | 3.50 | -0.06 |
| Feb | 2.95 | 2.99 | -0.04 |
| Mar | 4.02 | 4.13 | -0.11 |
| Apr | 3.41 | 3.48 | -0.07 |
| May | 3.63 | 3.69 | -0.06 |
| Jun | 4.00 | 4.12 | -0.12 |
| Jul | 4.35 | 4.34 | 0.01 |
| Aug | 4.85 | 5.12 | -0.27 |
| Sep | 4.10 | 4.34 | -0.24 |
| Oct | 3.82 | 4.06 | -0.24 |
| Nov | 3.16 | 3.23 | -0.07 |
| Dec | 3.62 | 3.81 | -0.19 |
45.35 | 46.81 | -1.46 |