| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.78 | 0.93 | -0.15 |
| Feb | 0.80 | 0.91 | -0.11 |
| Mar | 1.61 | 1.68 | -0.07 |
| Apr | 2.85 | 3.09 | -0.24 |
| May | 4.11 | 4.22 | -0.11 |
| Jun | 4.67 | 4.83 | -0.16 |
| Jul | 4.13 | 4.28 | -0.15 |
| Aug | 4.56 | 4.37 | 0.19 |
| Sep | 3.32 | 3.37 | -0.05 |
| Oct | 2.78 | 2.94 | -0.16 |
| Nov | 1.61 | 1.68 | -0.07 |
| Dec | 1.11 | 1.29 | -0.18 |
32.33 | 33.59 | -1.26 |