| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.71 | 0.72 | -0.01 |
| Feb | 0.81 | 0.83 | -0.02 |
| Mar | 1.56 | 1.55 | 0.01 |
| Apr | 3.08 | 3.15 | -0.07 |
| May | 4.17 | 4.23 | -0.06 |
| Jun | 4.85 | 5.01 | -0.16 |
| Jul | 3.63 | 3.55 | 0.08 |
| Aug | 3.53 | 3.64 | -0.11 |
| Sep | 3.14 | 3.16 | -0.02 |
| Oct | 2.41 | 2.36 | 0.05 |
| Nov | 1.39 | 1.36 | 0.03 |
| Dec | 0.90 | 0.94 | -0.04 |
30.18 | 30.50 | -0.32 |