| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.52 | 2.41 | 0.11 |
| Feb | 2.00 | 1.90 | 0.10 |
| Mar | 2.48 | 2.51 | -0.03 |
| Apr | 3.13 | 3.08 | 0.05 |
| May | 3.26 | 3.25 | 0.01 |
| Jun | 3.68 | 3.64 | 0.04 |
| Jul | 3.52 | 3.63 | -0.11 |
| Aug | 3.57 | 3.38 | 0.19 |
| Sep | 3.55 | 3.54 | 0.01 |
| Oct | 3.73 | 3.69 | 0.04 |
| Nov | 2.97 | 2.97 | 0.00 |
| Dec | 2.71 | 2.81 | -0.10 |
37.12 | 36.81 | 0.31 |