| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.81 | 2.92 | -0.11 |
| Feb | 2.36 | 2.45 | -0.09 |
| Mar | 3.18 | 3.30 | -0.12 |
| Apr | 4.21 | 4.40 | -0.19 |
| May | 4.50 | 4.63 | -0.13 |
| Jun | 4.97 | 5.05 | -0.08 |
| Jul | 4.10 | 4.17 | -0.07 |
| Aug | 3.29 | 3.10 | 0.19 |
| Sep | 3.29 | 3.28 | 0.01 |
| Oct | 3.25 | 3.19 | 0.06 |
| Nov | 3.40 | 3.44 | -0.04 |
| Dec | 2.79 | 2.89 | -0.10 |
42.15 | 42.82 | -0.67 |