| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.70 | 2.77 | -0.07 |
| Feb | 2.35 | 2.30 | 0.05 |
| Mar | 3.22 | 3.30 | -0.08 |
| Apr | 3.55 | 3.44 | 0.11 |
| May | 3.87 | 3.81 | 0.06 |
| Jun | 3.92 | 3.40 | 0.52 |
| Jul | 3.76 | 3.34 | 0.42 |
| Aug | 3.65 | 3.61 | 0.04 |
| Sep | 3.92 | 4.24 | -0.32 |
| Oct | 3.30 | 3.13 | 0.17 |
| Nov | 2.99 | 3.20 | -0.21 |
| Dec | 2.99 | 3.20 | -0.21 |
40.22 | 39.74 | 0.48 |