| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.48 | 1.51 | -0.03 |
| Feb | 1.82 | 1.86 | -0.04 |
| Mar | 2.82 | 2.84 | -0.02 |
| Apr | 4.17 | 4.24 | -0.07 |
| May | 5.08 | 5.26 | -0.18 |
| Jun | 4.97 | 4.98 | -0.01 |
| Jul | 4.81 | 4.72 | 0.09 |
| Aug | 4.02 | 4.05 | -0.03 |
| Sep | 4.00 | 4.06 | -0.06 |
| Oct | 3.16 | 3.26 | -0.10 |
| Nov | 2.54 | 2.52 | 0.02 |
| Dec | 1.85 | 1.91 | -0.06 |
40.72 | 41.21 | -0.49 |