| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.89 | 2.00 | -0.11 |
| Feb | 2.08 | 2.17 | -0.09 |
| Mar | 2.93 | 3.10 | -0.17 |
| Apr | 4.72 | 4.77 | -0.05 |
| May | 5.39 | 5.61 | -0.22 |
| Jun | 4.76 | 4.91 | -0.15 |
| Jul | 4.31 | 4.45 | -0.14 |
| Aug | 3.88 | 3.97 | -0.09 |
| Sep | 4.12 | 4.21 | -0.09 |
| Oct | 3.39 | 3.50 | -0.11 |
| Nov | 3.15 | 3.12 | 0.03 |
| Dec | 2.08 | 2.30 | -0.22 |
42.70 | 44.11 | -1.41 |