| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.77 | 0.90 | -0.13 |
| Feb | 0.81 | 0.88 | -0.07 |
| Mar | 1.61 | 1.63 | -0.02 |
| Apr | 2.85 | 3.02 | -0.17 |
| May | 4.14 | 4.18 | -0.04 |
| Jun | 4.62 | 4.74 | -0.12 |
| Jul | 4.16 | 4.27 | -0.11 |
| Aug | 4.42 | 4.24 | 0.18 |
| Sep | 3.30 | 3.30 | 0.00 |
| Oct | 2.82 | 2.88 | -0.06 |
| Nov | 1.66 | 1.65 | 0.01 |
| Dec | 1.11 | 1.25 | -0.14 |
32.27 | 32.94 | -0.67 |