| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.97 | 2.17 | -0.20 |
| Feb | 1.80 | 1.99 | -0.19 |
| Mar | 2.31 | 2.33 | -0.02 |
| Apr | 3.79 | 3.89 | -0.10 |
| May | 4.52 | 4.58 | -0.06 |
| Jun | 4.28 | 4.36 | -0.08 |
| Jul | 3.68 | 3.79 | -0.11 |
| Aug | 3.99 | 4.02 | -0.03 |
| Sep | 3.26 | 3.22 | 0.04 |
| Oct | 3.44 | 3.54 | -0.10 |
| Nov | 2.50 | 2.66 | -0.16 |
| Dec | 2.09 | 2.26 | -0.17 |
37.63 | 38.81 | -1.18 |