| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.24 | 1.27 | -0.03 |
| Feb | 1.09 | 1.13 | -0.04 |
| Mar | 1.73 | 1.76 | -0.03 |
| Apr | 2.91 | 2.92 | -0.01 |
| May | 3.35 | 3.39 | -0.04 |
| Jun | 4.16 | 4.09 | 0.07 |
| Jul | 3.74 | 3.64 | 0.10 |
| Aug | 3.38 | 3.20 | 0.18 |
| Sep | 3.52 | 3.44 | 0.08 |
| Oct | 3.07 | 3.12 | -0.05 |
| Nov | 2.05 | 2.03 | 0.02 |
| Dec | 1.53 | 1.61 | -0.08 |
31.77 | 31.60 | 0.17 |