| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.23 | 2.26 | -0.03 |
| Feb | 1.98 | 2.11 | -0.13 |
| Mar | 2.58 | 2.69 | -0.11 |
| Apr | 3.98 | 3.95 | 0.03 |
| May | 4.43 | 4.44 | -0.01 |
| Jun | 4.48 | 4.62 | -0.14 |
| Jul | 4.25 | 4.24 | 0.01 |
| Aug | 3.35 | 3.19 | 0.16 |
| Sep | 3.16 | 3.20 | -0.04 |
| Oct | 3.26 | 3.29 | -0.03 |
| Nov | 3.09 | 3.13 | -0.04 |
| Dec | 2.28 | 2.37 | -0.09 |
39.07 | 39.49 | -0.42 |