| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.63 | 0.69 | -0.06 |
| Feb | 0.83 | 0.86 | -0.03 |
| Mar | 1.77 | 1.82 | -0.05 |
| Apr | 2.52 | 2.61 | -0.09 |
| May | 2.45 | 2.60 | -0.15 |
| Jun | 1.88 | 1.91 | -0.03 |
| Jul | 2.30 | 2.54 | -0.24 |
| Aug | 2.23 | 2.44 | -0.21 |
| Sep | 1.68 | 1.71 | -0.03 |
| Oct | 1.23 | 1.33 | -0.10 |
| Nov | 0.82 | 0.91 | -0.09 |
| Dec | 0.65 | 0.73 | -0.08 |
18.99 | 20.15 | -1.16 |