| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.34 | 1.40 | -0.06 |
| Feb | 1.33 | 1.47 | -0.14 |
| Mar | 2.13 | 2.05 | 0.08 |
| Apr | 3.59 | 3.77 | -0.18 |
| May | 4.14 | 4.21 | -0.07 |
| Jun | 5.29 | 5.26 | 0.03 |
| Jul | 4.29 | 4.35 | -0.06 |
| Aug | 4.02 | 4.03 | -0.01 |
| Sep | 3.51 | 3.44 | 0.07 |
| Oct | 2.84 | 2.83 | 0.01 |
| Nov | 2.18 | 2.15 | 0.03 |
| Dec | 1.57 | 1.65 | -0.08 |
36.23 | 36.61 | -0.38 |