| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.97 | 1.18 | -0.21 |
| Feb | 0.92 | 1.04 | -0.12 |
| Mar | 1.42 | 1.48 | -0.06 |
| Apr | 2.46 | 2.59 | -0.13 |
| May | 3.19 | 3.36 | -0.17 |
| Jun | 4.35 | 4.37 | -0.02 |
| Jul | 3.99 | 3.88 | 0.11 |
| Aug | 3.56 | 3.69 | -0.13 |
| Sep | 3.26 | 3.45 | -0.19 |
| Oct | 2.96 | 3.08 | -0.12 |
| Nov | 1.78 | 2.04 | -0.26 |
| Dec | 1.33 | 1.50 | -0.17 |
30.19 | 31.66 | -1.47 |