| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.89 | 0.93 | -0.04 |
| Feb | 0.85 | 0.94 | -0.09 |
| Mar | 1.36 | 1.43 | -0.07 |
| Apr | 2.43 | 2.49 | -0.06 |
| May | 3.27 | 3.43 | -0.16 |
| Jun | 4.47 | 4.54 | -0.07 |
| Jul | 4.11 | 4.24 | -0.13 |
| Aug | 3.68 | 3.92 | -0.24 |
| Sep | 3.20 | 3.38 | -0.18 |
| Oct | 2.97 | 3.15 | -0.18 |
| Nov | 1.67 | 1.78 | -0.11 |
| Dec | 1.27 | 1.48 | -0.21 |
30.17 | 31.71 | -1.54 |