| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.80 | 2.97 | -0.17 |
| Feb | 2.36 | 2.48 | -0.12 |
| Mar | 3.22 | 3.37 | -0.15 |
| Apr | 4.24 | 4.38 | -0.14 |
| May | 4.53 | 4.71 | -0.18 |
| Jun | 5.01 | 5.08 | -0.07 |
| Jul | 4.10 | 4.30 | -0.20 |
| Aug | 3.32 | 3.18 | 0.14 |
| Sep | 3.31 | 3.35 | -0.04 |
| Oct | 3.28 | 3.22 | 0.06 |
| Nov | 3.39 | 3.42 | -0.03 |
| Dec | 2.83 | 2.95 | -0.12 |
42.39 | 43.41 | -1.02 |