| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.17 | 3.26 | -0.09 |
| Feb | 2.49 | 2.59 | -0.10 |
| Mar | 3.50 | 3.47 | 0.03 |
| Apr | 4.75 | 4.96 | -0.21 |
| May | 4.71 | 4.81 | -0.10 |
| Jun | 5.20 | 5.37 | -0.17 |
| Jul | 4.49 | 4.62 | -0.13 |
| Aug | 3.10 | 3.04 | 0.06 |
| Sep | 3.43 | 3.58 | -0.15 |
| Oct | 3.59 | 3.54 | 0.05 |
| Nov | 3.65 | 3.73 | -0.08 |
| Dec | 3.07 | 3.13 | -0.06 |
45.15 | 46.10 | -0.95 |