| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.28 | 2.42 | -0.14 |
| Feb | 2.13 | 2.27 | -0.14 |
| Mar | 3.13 | 3.14 | -0.01 |
| Apr | 4.31 | 4.62 | -0.31 |
| May | 4.78 | 5.10 | -0.32 |
| Jun | 4.19 | 4.40 | -0.21 |
| Jul | 4.11 | 4.19 | -0.08 |
| Aug | 4.14 | 4.10 | 0.04 |
| Sep | 3.52 | 3.80 | -0.28 |
| Oct | 3.21 | 3.36 | -0.15 |
| Nov | 3.30 | 3.42 | -0.12 |
| Dec | 2.45 | 2.46 | -0.01 |
41.55 | 43.28 | -1.73 |