| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.02 | 0.90 | 0.12 |
| Feb | 1.29 | 1.26 | 0.03 |
| Mar | 2.37 | 2.28 | 0.09 |
| Apr | 3.18 | 3.15 | 0.03 |
| May | 4.55 | 4.17 | 0.38 |
| Jun | 4.33 | 4.35 | -0.02 |
| Jul | 3.03 | 3.33 | -0.30 |
| Aug | 3.44 | 3.65 | -0.21 |
| Sep | 2.38 | 2.43 | -0.05 |
| Oct | 2.94 | 2.76 | 0.18 |
| Nov | 1.64 | 1.51 | 0.13 |
| Dec | 1.41 | 1.31 | 0.10 |
31.58 | 31.10 | 0.48 |