| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.08 | 1.38 | -0.30 |
| Feb | 1.02 | 1.19 | -0.17 |
| Mar | 1.40 | 1.57 | -0.17 |
| Apr | 2.50 | 2.73 | -0.23 |
| May | 3.13 | 3.25 | -0.12 |
| Jun | 4.19 | 4.09 | 0.10 |
| Jul | 3.49 | 3.70 | -0.21 |
| Aug | 3.11 | 3.44 | -0.33 |
| Sep | 3.30 | 3.49 | -0.19 |
| Oct | 3.10 | 3.24 | -0.14 |
| Nov | 2.00 | 2.11 | -0.11 |
| Dec | 1.64 | 1.69 | -0.05 |
29.96 | 31.88 | -1.92 |