| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.14 | 3.31 | -0.17 |
| Feb | 3.14 | 3.23 | -0.09 |
| Mar | 4.09 | 4.21 | -0.12 |
| Apr | 3.57 | 3.72 | -0.15 |
| May | 4.70 | 5.15 | -0.45 |
| Jun | 4.31 | 4.47 | -0.16 |
| Jul | 4.81 | 5.30 | -0.49 |
| Aug | 3.65 | 3.51 | 0.14 |
| Sep | 3.35 | 3.28 | 0.07 |
| Oct | 2.97 | 3.07 | -0.10 |
| Nov | 2.93 | 2.98 | -0.05 |
| Dec | 3.58 | 3.87 | -0.29 |
44.24 | 46.10 | -1.86 |