| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.90 | 3.04 | -0.14 |
| Feb | 2.33 | 2.54 | -0.21 |
| Mar | 3.27 | 3.30 | -0.03 |
| Apr | 4.62 | 4.78 | -0.16 |
| May | 4.38 | 4.60 | -0.22 |
| Jun | 4.96 | 5.08 | -0.12 |
| Jul | 4.11 | 4.21 | -0.10 |
| Aug | 3.15 | 3.09 | 0.06 |
| Sep | 2.95 | 3.07 | -0.12 |
| Oct | 3.52 | 3.73 | -0.21 |
| Nov | 3.49 | 3.56 | -0.07 |
| Dec | 2.83 | 2.96 | -0.13 |
42.51 | 43.96 | -1.45 |