| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.80 | 0.81 | -0.01 |
| Feb | 0.84 | 0.90 | -0.06 |
| Mar | 1.44 | 1.51 | -0.07 |
| Apr | 2.66 | 2.73 | -0.07 |
| May | 3.57 | 3.65 | -0.08 |
| Jun | 4.41 | 4.50 | -0.09 |
| Jul | 4.51 | 4.53 | -0.02 |
| Aug | 3.89 | 3.92 | -0.03 |
| Sep | 3.27 | 3.39 | -0.12 |
| Oct | 3.13 | 3.06 | 0.07 |
| Nov | 1.61 | 1.64 | -0.03 |
| Dec | 1.15 | 1.28 | -0.13 |
31.28 | 31.92 | -0.64 |