| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.41 | 0.55 | -0.14 |
| Feb | 0.42 | 0.53 | -0.11 |
| Mar | 0.59 | 0.74 | -0.15 |
| Apr | 1.03 | 1.03 | 0.00 |
| May | 2.55 | 2.58 | -0.03 |
| Jun | 3.43 | 3.79 | -0.36 |
| Jul | 2.63 | 2.68 | -0.05 |
| Aug | 1.91 | 2.03 | -0.12 |
| Sep | 1.61 | 1.70 | -0.09 |
| Oct | 1.27 | 1.32 | -0.05 |
| Nov | 0.67 | 0.77 | -0.10 |
| Dec | 0.48 | 0.68 | -0.20 |
17.00 | 18.40 | -1.40 |