| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.60 | 2.58 | 0.02 |
| Feb | 2.16 | 2.31 | -0.15 |
| Mar | 2.44 | 2.44 | 0.00 |
| Apr | 3.71 | 3.65 | 0.06 |
| May | 4.39 | 4.28 | 0.11 |
| Jun | 4.30 | 4.32 | -0.02 |
| Jul | 3.96 | 4.27 | -0.31 |
| Aug | 3.99 | 3.99 | 0.00 |
| Sep | 3.28 | 3.19 | 0.09 |
| Oct | 3.37 | 3.33 | 0.04 |
| Nov | 2.92 | 2.95 | -0.03 |
| Dec | 2.49 | 2.46 | 0.03 |
39.61 | 39.77 | -0.16 |