| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.12 | 3.17 | -0.05 |
| Feb | 3.05 | 3.11 | -0.06 |
| Mar | 3.70 | 3.92 | -0.22 |
| Apr | 4.11 | 3.97 | 0.14 |
| May | 4.50 | 4.39 | 0.11 |
| Jun | 4.25 | 4.30 | -0.05 |
| Jul | 4.18 | 4.20 | -0.02 |
| Aug | 3.19 | 3.32 | -0.13 |
| Sep | 3.28 | 3.08 | 0.20 |
| Oct | 2.94 | 2.93 | 0.01 |
| Nov | 2.82 | 2.84 | -0.02 |
| Dec | 3.45 | 3.35 | 0.10 |
42.59 | 42.58 | 0.01 |