| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.93 | 1.08 | -0.15 |
| Feb | 0.91 | 1.02 | -0.11 |
| Mar | 1.26 | 1.41 | -0.15 |
| Apr | 2.22 | 2.32 | -0.10 |
| May | 3.09 | 3.09 | 0.00 |
| Jun | 4.41 | 4.56 | -0.15 |
| Jul | 4.14 | 4.19 | -0.05 |
| Aug | 3.49 | 3.37 | 0.12 |
| Sep | 3.40 | 3.58 | -0.18 |
| Oct | 2.88 | 2.79 | 0.09 |
| Nov | 1.61 | 1.69 | -0.08 |
| Dec | 1.22 | 1.51 | -0.29 |
29.56 | 30.61 | -1.05 |