| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.57 | 3.64 | -0.07 |
| Feb | 2.98 | 3.11 | -0.13 |
| Mar | 3.88 | 4.02 | -0.14 |
| Apr | 3.65 | 3.84 | -0.19 |
| May | 3.57 | 3.44 | 0.13 |
| Jun | 4.06 | 4.15 | -0.09 |
| Jul | 4.40 | 4.32 | 0.08 |
| Aug | 4.12 | 4.36 | -0.24 |
| Sep | 4.10 | 4.21 | -0.11 |
| Oct | 3.15 | 3.20 | -0.05 |
| Nov | 3.26 | 3.33 | -0.07 |
| Dec | 3.45 | 3.55 | -0.10 |
44.19 | 45.17 | -0.98 |