| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.98 | 1.16 | -0.18 |
| Feb | 0.94 | 1.02 | -0.08 |
| Mar | 1.43 | 1.48 | -0.05 |
| Apr | 2.45 | 2.57 | -0.12 |
| May | 3.18 | 3.28 | -0.10 |
| Jun | 4.34 | 4.48 | -0.14 |
| Jul | 3.95 | 3.99 | -0.04 |
| Aug | 3.48 | 3.54 | -0.06 |
| Sep | 3.30 | 3.48 | -0.18 |
| Oct | 2.95 | 2.99 | -0.04 |
| Nov | 1.80 | 1.95 | -0.15 |
| Dec | 1.35 | 1.55 | -0.20 |
30.15 | 31.49 | -1.34 |