| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.30 | 1.39 | -0.09 |
| Feb | 1.21 | 1.28 | -0.07 |
| Mar | 1.51 | 1.63 | -0.12 |
| Apr | 1.46 | 1.41 | 0.05 |
| May | 2.99 | 3.44 | -0.45 |
| Jun | 2.89 | 3.23 | -0.34 |
| Jul | 2.15 | 2.31 | -0.16 |
| Aug | 2.19 | 2.40 | -0.21 |
| Sep | 4.59 | 4.81 | -0.22 |
| Oct | 2.62 | 2.72 | -0.10 |
| Nov | 1.51 | 1.64 | -0.13 |
| Dec | 1.53 | 1.61 | -0.08 |
25.95 | 27.87 | -1.92 |