| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.79 | 0.85 | -0.06 |
| Feb | 0.87 | 0.86 | 0.01 |
| Mar | 1.60 | 1.48 | 0.12 |
| Apr | 2.84 | 2.86 | -0.02 |
| May | 4.12 | 4.14 | -0.02 |
| Jun | 4.45 | 4.49 | -0.04 |
| Jul | 4.36 | 4.41 | -0.05 |
| Aug | 4.16 | 3.94 | 0.22 |
| Sep | 3.31 | 3.19 | 0.12 |
| Oct | 2.89 | 2.86 | 0.03 |
| Nov | 1.73 | 1.65 | 0.08 |
| Dec | 1.16 | 1.22 | -0.06 |
32.28 | 31.95 | 0.33 |