| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.14 | 1.21 | -0.07 |
| Feb | 1.50 | 1.59 | -0.09 |
| Mar | 2.37 | 2.47 | -0.10 |
| Apr | 3.89 | 4.04 | -0.15 |
| May | 5.25 | 5.33 | -0.08 |
| Jun | 5.19 | 5.37 | -0.18 |
| Jul | 4.37 | 4.39 | -0.02 |
| Aug | 4.32 | 4.41 | -0.09 |
| Sep | 3.86 | 4.27 | -0.41 |
| Oct | 3.19 | 3.35 | -0.16 |
| Nov | 2.10 | 2.11 | -0.01 |
| Dec | 1.58 | 1.66 | -0.08 |
38.76 | 40.20 | -1.44 |