| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.74 | 0.86 | -0.12 |
| Feb | 0.77 | 0.89 | -0.12 |
| Mar | 1.56 | 1.58 | -0.02 |
| Apr | 2.95 | 2.93 | 0.02 |
| May | 4.18 | 4.22 | -0.04 |
| Jun | 4.69 | 4.49 | 0.20 |
| Jul | 4.10 | 4.16 | -0.06 |
| Aug | 4.35 | 4.44 | -0.09 |
| Sep | 3.34 | 3.28 | 0.06 |
| Oct | 2.62 | 2.57 | 0.05 |
| Nov | 1.52 | 1.55 | -0.03 |
| Dec | 1.05 | 1.22 | -0.17 |
31.87 | 32.19 | -0.32 |