| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.04 | 1.11 | -0.07 |
| Feb | 0.99 | 1.04 | -0.05 |
| Mar | 1.46 | 1.64 | -0.18 |
| Apr | 2.64 | 2.85 | -0.21 |
| May | 3.37 | 3.39 | -0.02 |
| Jun | 4.04 | 4.19 | -0.15 |
| Jul | 4.16 | 4.10 | 0.06 |
| Aug | 3.84 | 3.88 | -0.04 |
| Sep | 3.22 | 3.34 | -0.12 |
| Oct | 3.14 | 3.14 | 0.00 |
| Nov | 1.86 | 2.01 | -0.15 |
| Dec | 1.46 | 1.60 | -0.14 |
31.22 | 32.29 | -1.07 |