| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.78 | 0.97 | -0.19 |
| Feb | 0.79 | 0.99 | -0.20 |
| Mar | 1.63 | 1.78 | -0.15 |
| Apr | 2.90 | 3.06 | -0.16 |
| May | 4.14 | 4.28 | -0.14 |
| Jun | 4.68 | 4.90 | -0.22 |
| Jul | 4.17 | 4.39 | -0.22 |
| Aug | 4.54 | 4.50 | 0.04 |
| Sep | 3.31 | 3.30 | 0.01 |
| Oct | 2.67 | 2.78 | -0.11 |
| Nov | 1.57 | 1.71 | -0.14 |
| Dec | 1.12 | 1.33 | -0.21 |
32.30 | 33.99 | -1.69 |