| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.74 | 0.74 | 0.00 |
| Feb | 0.78 | 0.80 | -0.02 |
| Mar | 1.62 | 1.68 | -0.06 |
| Apr | 3.21 | 3.34 | -0.13 |
| May | 4.34 | 4.57 | -0.23 |
| Jun | 4.91 | 4.77 | 0.14 |
| Jul | 3.80 | 3.89 | -0.09 |
| Aug | 3.67 | 3.65 | 0.02 |
| Sep | 3.11 | 3.09 | 0.02 |
| Oct | 2.30 | 2.34 | -0.04 |
| Nov | 1.40 | 1.36 | 0.04 |
| Dec | 1.02 | 0.94 | 0.08 |
30.90 | 31.17 | -0.27 |