| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.67 | 1.81 | -0.14 |
| Feb | 1.60 | 1.75 | -0.15 |
| Mar | 2.13 | 2.22 | -0.09 |
| Apr | 3.72 | 3.89 | -0.17 |
| May | 3.81 | 3.81 | 0.00 |
| Jun | 4.12 | 4.06 | 0.06 |
| Jul | 3.26 | 3.06 | 0.20 |
| Aug | 3.55 | 3.47 | 0.08 |
| Sep | 3.26 | 3.16 | 0.10 |
| Oct | 2.99 | 3.03 | -0.04 |
| Nov | 2.25 | 2.39 | -0.14 |
| Dec | 1.89 | 1.99 | -0.10 |
34.25 | 34.64 | -0.39 |