| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.51 | 3.58 | -0.07 |
| Feb | 3.71 | 3.72 | -0.01 |
| Mar | 4.55 | 4.60 | -0.05 |
| Apr | 4.58 | 4.61 | -0.03 |
| May | 5.12 | 5.34 | -0.22 |
| Jun | 4.72 | 4.96 | -0.24 |
| Jul | 4.96 | 5.16 | -0.20 |
| Aug | 3.46 | 3.49 | -0.03 |
| Sep | 3.78 | 3.64 | 0.14 |
| Oct | 3.42 | 3.33 | 0.09 |
| Nov | 3.21 | 3.31 | -0.10 |
| Dec | 4.17 | 4.25 | -0.08 |
49.19 | 49.99 | -0.80 |