| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.24 | 3.34 | -0.10 |
| Feb | 2.55 | 2.81 | -0.26 |
| Mar | 3.68 | 3.85 | -0.17 |
| Apr | 3.60 | 3.88 | -0.28 |
| May | 3.66 | 3.70 | -0.04 |
| Jun | 4.43 | 4.64 | -0.21 |
| Jul | 4.18 | 4.31 | -0.13 |
| Aug | 4.42 | 4.59 | -0.17 |
| Sep | 4.30 | 4.27 | 0.03 |
| Oct | 4.35 | 4.51 | -0.16 |
| Nov | 3.20 | 3.28 | -0.08 |
| Dec | 3.84 | 4.08 | -0.24 |
45.45 | 47.26 | -1.81 |