| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.77 | 0.94 | -0.17 |
| Feb | 0.80 | 0.92 | -0.12 |
| Mar | 1.59 | 1.71 | -0.12 |
| Apr | 2.85 | 3.11 | -0.26 |
| May | 4.10 | 4.24 | -0.14 |
| Jun | 4.64 | 4.84 | -0.20 |
| Jul | 4.15 | 4.34 | -0.19 |
| Aug | 4.55 | 4.37 | 0.18 |
| Sep | 3.31 | 3.38 | -0.07 |
| Oct | 2.80 | 2.95 | -0.15 |
| Nov | 1.59 | 1.68 | -0.09 |
| Dec | 1.09 | 1.30 | -0.21 |
32.24 | 33.78 | -1.54 |