| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.75 | 0.92 | -0.17 |
| Feb | 0.78 | 0.87 | -0.09 |
| Mar | 1.58 | 1.70 | -0.12 |
| Apr | 2.85 | 3.09 | -0.24 |
| May | 4.15 | 4.24 | -0.09 |
| Jun | 4.57 | 4.65 | -0.08 |
| Jul | 4.19 | 4.34 | -0.15 |
| Aug | 4.42 | 4.21 | 0.21 |
| Sep | 3.28 | 3.32 | -0.04 |
| Oct | 2.84 | 2.87 | -0.03 |
| Nov | 1.58 | 1.67 | -0.09 |
| Dec | 1.06 | 1.29 | -0.23 |
32.05 | 33.17 | -1.12 |