| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.33 | 2.40 | -0.07 |
| Feb | 1.93 | 2.04 | -0.11 |
| Mar | 2.48 | 2.51 | -0.03 |
| Apr | 3.76 | 3.64 | 0.12 |
| May | 4.23 | 4.22 | 0.01 |
| Jun | 5.15 | 4.83 | 0.32 |
| Jul | 4.34 | 4.68 | -0.34 |
| Aug | 4.24 | 4.10 | 0.14 |
| Sep | 3.12 | 3.20 | -0.08 |
| Oct | 3.17 | 3.25 | -0.08 |
| Nov | 2.68 | 2.71 | -0.03 |
| Dec | 2.15 | 2.26 | -0.11 |
39.58 | 39.84 | -0.26 |