| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.68 | 3.07 | -0.39 |
| Feb | 2.30 | 2.79 | -0.49 |
| Mar | 2.90 | 3.37 | -0.47 |
| Apr | 3.54 | 3.76 | -0.22 |
| May | 3.90 | 4.01 | -0.11 |
| Jun | 4.34 | 4.92 | -0.58 |
| Jul | 4.23 | 4.54 | -0.31 |
| Aug | 3.99 | 4.27 | -0.28 |
| Sep | 3.67 | 3.90 | -0.23 |
| Oct | 4.20 | 4.45 | -0.25 |
| Nov | 3.29 | 3.80 | -0.51 |
| Dec | 3.18 | 3.73 | -0.55 |
42.22 | 46.61 | -4.39 |