| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.92 | 3.12 | -0.20 |
| Feb | 2.51 | 2.55 | -0.04 |
| Mar | 3.22 | 3.26 | -0.04 |
| Apr | 3.40 | 3.42 | -0.02 |
| May | 3.92 | 3.99 | -0.07 |
| Jun | 4.16 | 4.23 | -0.07 |
| Jul | 4.16 | 4.05 | 0.11 |
| Aug | 3.61 | 3.37 | 0.24 |
| Sep | 3.35 | 3.35 | 0.00 |
| Oct | 2.93 | 2.99 | -0.06 |
| Nov | 2.76 | 2.95 | -0.19 |
| Dec | 3.01 | 3.21 | -0.20 |
39.95 | 40.49 | -0.54 |