| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.74 | 2.91 | -0.17 |
| Feb | 2.35 | 2.39 | -0.04 |
| Mar | 3.39 | 3.40 | -0.01 |
| Apr | 3.94 | 3.94 | 0.00 |
| May | 4.30 | 4.14 | 0.16 |
| Jun | 4.30 | 4.43 | -0.13 |
| Jul | 4.21 | 4.23 | -0.02 |
| Aug | 3.57 | 3.45 | 0.12 |
| Sep | 3.21 | 3.07 | 0.14 |
| Oct | 2.81 | 2.87 | -0.06 |
| Nov | 2.76 | 2.81 | -0.05 |
| Dec | 2.91 | 3.04 | -0.13 |
40.49 | 40.68 | -0.19 |