| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.95 | 1.08 | -0.13 |
| Feb | 0.91 | 1.03 | -0.12 |
| Mar | 1.31 | 1.42 | -0.11 |
| Apr | 2.26 | 2.34 | -0.08 |
| May | 3.10 | 3.10 | 0.00 |
| Jun | 4.41 | 4.57 | -0.16 |
| Jul | 4.12 | 4.18 | -0.06 |
| Aug | 3.52 | 3.39 | 0.13 |
| Sep | 3.36 | 3.59 | -0.23 |
| Oct | 2.93 | 2.80 | 0.13 |
| Nov | 1.65 | 1.69 | -0.04 |
| Dec | 1.25 | 1.52 | -0.27 |
29.77 | 30.71 | -0.94 |