| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.79 | 0.97 | -0.18 |
| Feb | 0.81 | 0.94 | -0.13 |
| Mar | 1.64 | 1.76 | -0.12 |
| Apr | 2.91 | 3.14 | -0.23 |
| May | 4.15 | 4.29 | -0.14 |
| Jun | 4.68 | 4.94 | -0.26 |
| Jul | 4.22 | 4.39 | -0.17 |
| Aug | 4.64 | 4.45 | 0.19 |
| Sep | 3.35 | 3.40 | -0.05 |
| Oct | 2.79 | 2.99 | -0.20 |
| Nov | 1.61 | 1.70 | -0.09 |
| Dec | 1.13 | 1.34 | -0.21 |
32.72 | 34.31 | -1.59 |