| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.12 | 3.22 | -0.10 |
| Feb | 3.03 | 3.27 | -0.24 |
| Mar | 4.13 | 4.29 | -0.16 |
| Apr | 3.95 | 4.07 | -0.12 |
| May | 4.65 | 4.84 | -0.19 |
| Jun | 4.05 | 4.50 | -0.45 |
| Jul | 4.86 | 5.18 | -0.32 |
| Aug | 3.71 | 3.81 | -0.10 |
| Sep | 3.24 | 3.45 | -0.21 |
| Oct | 2.80 | 2.97 | -0.17 |
| Nov | 2.78 | 2.90 | -0.12 |
| Dec | 3.72 | 3.86 | -0.14 |
44.04 | 46.36 | -2.32 |