| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.98 | 2.17 | -0.19 |
| Feb | 1.79 | 1.99 | -0.20 |
| Mar | 2.29 | 2.32 | -0.03 |
| Apr | 3.78 | 3.88 | -0.10 |
| May | 4.50 | 4.53 | -0.03 |
| Jun | 4.27 | 4.36 | -0.09 |
| Jul | 3.68 | 3.77 | -0.09 |
| Aug | 3.99 | 4.01 | -0.02 |
| Sep | 3.26 | 3.22 | 0.04 |
| Oct | 3.44 | 3.58 | -0.14 |
| Nov | 2.50 | 2.68 | -0.18 |
| Dec | 2.09 | 2.26 | -0.17 |
37.57 | 38.77 | -1.20 |