| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.69 | 0.75 | -0.06 |
| Feb | 0.81 | 0.85 | -0.04 |
| Mar | 1.44 | 1.56 | -0.12 |
| Apr | 2.70 | 2.80 | -0.10 |
| May | 4.03 | 4.10 | -0.07 |
| Jun | 4.34 | 4.31 | 0.03 |
| Jul | 4.07 | 4.18 | -0.11 |
| Aug | 3.92 | 4.03 | -0.11 |
| Sep | 3.17 | 3.22 | -0.05 |
| Oct | 2.72 | 2.75 | -0.03 |
| Nov | 1.47 | 1.57 | -0.10 |
| Dec | 0.99 | 1.08 | -0.09 |
30.35 | 31.20 | -0.85 |