| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.67 | 0.73 | -0.06 |
| Feb | 0.76 | 0.83 | -0.07 |
| Mar | 1.43 | 1.47 | -0.04 |
| Apr | 2.67 | 2.72 | -0.05 |
| May | 3.84 | 4.02 | -0.18 |
| Jun | 4.52 | 4.46 | 0.06 |
| Jul | 3.75 | 3.78 | -0.03 |
| Aug | 3.92 | 4.17 | -0.25 |
| Sep | 3.19 | 3.15 | 0.04 |
| Oct | 2.40 | 2.48 | -0.08 |
| Nov | 1.41 | 1.42 | -0.01 |
| Dec | 0.95 | 1.05 | -0.10 |
29.51 | 30.28 | -0.77 |