| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.71 | 0.86 | -0.15 |
| Feb | 0.77 | 0.89 | -0.12 |
| Mar | 1.52 | 1.57 | -0.05 |
| Apr | 2.90 | 2.98 | -0.08 |
| May | 4.13 | 4.35 | -0.22 |
| Jun | 4.56 | 4.66 | -0.10 |
| Jul | 4.08 | 4.14 | -0.06 |
| Aug | 4.20 | 4.24 | -0.04 |
| Sep | 3.33 | 3.30 | 0.03 |
| Oct | 2.69 | 2.66 | 0.03 |
| Nov | 1.51 | 1.56 | -0.05 |
| Dec | 1.03 | 1.22 | -0.19 |
31.43 | 32.43 | -1.00 |