| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.77 | 0.98 | -0.21 |
| Feb | 0.77 | 0.93 | -0.16 |
| Mar | 1.61 | 1.75 | -0.14 |
| Apr | 2.91 | 3.13 | -0.22 |
| May | 4.14 | 4.19 | -0.05 |
| Jun | 4.54 | 4.79 | -0.25 |
| Jul | 4.25 | 4.32 | -0.07 |
| Aug | 4.57 | 4.38 | 0.19 |
| Sep | 3.33 | 3.27 | 0.06 |
| Oct | 2.73 | 2.88 | -0.15 |
| Nov | 1.57 | 1.73 | -0.16 |
| Dec | 1.11 | 1.32 | -0.21 |
32.30 | 33.67 | -1.37 |