| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.73 | 0.97 | -0.24 |
| Feb | 0.78 | 0.89 | -0.11 |
| Mar | 1.59 | 1.70 | -0.11 |
| Apr | 2.90 | 3.09 | -0.19 |
| May | 4.14 | 4.18 | -0.04 |
| Jun | 4.52 | 4.62 | -0.10 |
| Jul | 4.19 | 4.36 | -0.17 |
| Aug | 4.45 | 4.31 | 0.14 |
| Sep | 3.32 | 3.28 | 0.04 |
| Oct | 2.71 | 2.78 | -0.07 |
| Nov | 1.56 | 1.70 | -0.14 |
| Dec | 1.03 | 1.28 | -0.25 |
31.92 | 33.16 | -1.24 |