| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.71 | 0.88 | -0.17 |
| Feb | 0.77 | 0.89 | -0.12 |
| Mar | 1.52 | 1.61 | -0.09 |
| Apr | 2.83 | 3.00 | -0.17 |
| May | 4.12 | 4.34 | -0.22 |
| Jun | 4.41 | 4.61 | -0.20 |
| Jul | 4.16 | 4.16 | 0.00 |
| Aug | 4.18 | 4.20 | -0.02 |
| Sep | 3.26 | 3.28 | -0.02 |
| Oct | 2.75 | 2.68 | 0.07 |
| Nov | 1.53 | 1.58 | -0.05 |
| Dec | 1.00 | 1.24 | -0.24 |
31.24 | 32.47 | -1.23 |