| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.10 | 2.18 | -0.08 |
| Feb | 1.92 | 1.97 | -0.05 |
| Mar | 2.65 | 2.54 | 0.11 |
| Apr | 3.88 | 3.68 | 0.20 |
| May | 4.49 | 4.41 | 0.08 |
| Jun | 4.23 | 4.22 | 0.01 |
| Jul | 4.10 | 4.26 | -0.16 |
| Aug | 3.30 | 3.44 | -0.14 |
| Sep | 3.12 | 3.19 | -0.07 |
| Oct | 3.29 | 3.17 | 0.12 |
| Nov | 2.84 | 2.78 | 0.06 |
| Dec | 2.15 | 2.21 | -0.06 |
38.07 | 38.05 | 0.02 |