| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.21 | 1.24 | -0.03 |
| Feb | 1.13 | 1.16 | -0.03 |
| Mar | 2.02 | 1.96 | 0.06 |
| Apr | 3.80 | 3.93 | -0.13 |
| May | 4.60 | 4.73 | -0.13 |
| Jun | 5.48 | 5.38 | 0.10 |
| Jul | 4.57 | 4.68 | -0.11 |
| Aug | 4.33 | 4.50 | -0.17 |
| Sep | 3.96 | 4.06 | -0.10 |
| Oct | 2.69 | 2.83 | -0.14 |
| Nov | 2.12 | 1.98 | 0.14 |
| Dec | 1.49 | 1.55 | -0.06 |
37.40 | 38.00 | -0.60 |