| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.82 | 2.89 | -0.07 |
| Feb | 2.36 | 2.42 | -0.06 |
| Mar | 3.16 | 3.31 | -0.15 |
| Apr | 4.19 | 4.36 | -0.17 |
| May | 4.58 | 4.68 | -0.10 |
| Jun | 5.03 | 5.02 | 0.01 |
| Jul | 4.15 | 4.17 | -0.02 |
| Aug | 3.44 | 3.23 | 0.21 |
| Sep | 3.35 | 3.38 | -0.03 |
| Oct | 3.17 | 3.19 | -0.02 |
| Nov | 3.45 | 3.45 | 0.00 |
| Dec | 2.82 | 2.90 | -0.08 |
42.52 | 43.00 | -0.48 |