| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.92 | 3.13 | -0.21 |
| Feb | 2.51 | 2.56 | -0.05 |
| Mar | 3.22 | 3.28 | -0.06 |
| Apr | 3.40 | 3.43 | -0.03 |
| May | 3.92 | 4.02 | -0.10 |
| Jun | 4.16 | 4.27 | -0.11 |
| Jul | 4.16 | 4.06 | 0.10 |
| Aug | 3.61 | 3.41 | 0.20 |
| Sep | 3.35 | 3.35 | 0.00 |
| Oct | 2.93 | 3.01 | -0.08 |
| Nov | 2.76 | 2.96 | -0.20 |
| Dec | 3.01 | 3.23 | -0.22 |
39.95 | 40.71 | -0.76 |