| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.92 | 3.03 | -0.11 |
| Feb | 2.22 | 2.41 | -0.19 |
| Mar | 3.48 | 3.56 | -0.08 |
| Apr | 3.21 | 3.56 | -0.35 |
| May | 4.26 | 4.10 | 0.16 |
| Jun | 4.23 | 4.15 | 0.08 |
| Jul | 3.98 | 3.70 | 0.28 |
| Aug | 3.65 | 3.69 | -0.04 |
| Sep | 4.45 | 4.91 | -0.46 |
| Oct | 3.10 | 3.34 | -0.24 |
| Nov | 2.91 | 3.26 | -0.35 |
| Dec | 3.12 | 3.23 | -0.11 |
41.53 | 42.94 | -1.41 |