| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.01 | 1.03 | -0.02 |
| Feb | 0.97 | 1.02 | -0.05 |
| Mar | 1.65 | 1.64 | 0.01 |
| Apr | 2.88 | 2.85 | 0.03 |
| May | 3.84 | 3.89 | -0.05 |
| Jun | 4.61 | 4.77 | -0.16 |
| Jul | 3.86 | 3.95 | -0.09 |
| Aug | 4.01 | 4.05 | -0.04 |
| Sep | 3.51 | 3.62 | -0.11 |
| Oct | 3.19 | 3.22 | -0.03 |
| Nov | 1.82 | 1.82 | 0.00 |
| Dec | 1.24 | 1.35 | -0.11 |
32.59 | 33.21 | -0.62 |