| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.82 | 2.92 | -0.10 |
| Feb | 2.36 | 2.44 | -0.08 |
| Mar | 3.16 | 3.34 | -0.18 |
| Apr | 4.19 | 4.38 | -0.19 |
| May | 4.58 | 4.71 | -0.13 |
| Jun | 5.03 | 5.05 | -0.02 |
| Jul | 4.15 | 4.21 | -0.06 |
| Aug | 3.44 | 3.21 | 0.23 |
| Sep | 3.35 | 3.39 | -0.04 |
| Oct | 3.17 | 3.21 | -0.04 |
| Nov | 3.45 | 3.46 | -0.01 |
| Dec | 2.82 | 2.93 | -0.11 |
42.52 | 43.25 | -0.73 |