| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.77 | 0.96 | -0.19 |
| Feb | 0.80 | 0.92 | -0.12 |
| Mar | 1.61 | 1.74 | -0.13 |
| Apr | 2.88 | 3.13 | -0.25 |
| May | 4.12 | 4.26 | -0.14 |
| Jun | 4.63 | 4.87 | -0.24 |
| Jul | 4.16 | 4.39 | -0.23 |
| Aug | 4.55 | 4.40 | 0.15 |
| Sep | 3.31 | 3.39 | -0.08 |
| Oct | 2.78 | 2.97 | -0.19 |
| Nov | 1.59 | 1.69 | -0.10 |
| Dec | 1.09 | 1.32 | -0.23 |
32.29 | 34.04 | -1.75 |