| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.79 | 0.94 | -0.15 |
| Feb | 0.81 | 0.92 | -0.11 |
| Mar | 1.63 | 1.69 | -0.06 |
| Apr | 2.87 | 3.14 | -0.27 |
| May | 4.12 | 4.30 | -0.18 |
| Jun | 4.69 | 4.97 | -0.28 |
| Jul | 4.18 | 4.30 | -0.12 |
| Aug | 4.62 | 4.56 | 0.06 |
| Sep | 3.33 | 3.41 | -0.08 |
| Oct | 2.80 | 3.04 | -0.24 |
| Nov | 1.62 | 1.71 | -0.09 |
| Dec | 1.13 | 1.29 | -0.16 |
32.59 | 34.27 | -1.68 |