| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.79 | 2.85 | -0.06 |
| Feb | 2.44 | 2.55 | -0.11 |
| Mar | 3.02 | 3.20 | -0.18 |
| Apr | 3.52 | 3.58 | -0.06 |
| May | 3.65 | 3.61 | 0.04 |
| Jun | 4.38 | 4.54 | -0.16 |
| Jul | 4.19 | 4.35 | -0.16 |
| Aug | 3.90 | 4.08 | -0.18 |
| Sep | 3.96 | 4.05 | -0.09 |
| Oct | 4.21 | 4.28 | -0.07 |
| Nov | 3.31 | 3.47 | -0.16 |
| Dec | 3.32 | 3.36 | -0.04 |
42.69 | 43.92 | -1.23 |