| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.51 | 0.57 | -0.06 |
| Feb | 0.61 | 0.67 | -0.06 |
| Mar | 1.29 | 1.58 | -0.29 |
| Apr | 2.23 | 2.40 | -0.17 |
| May | 3.04 | 3.19 | -0.15 |
| Jun | 1.94 | 2.18 | -0.24 |
| Jul | 1.91 | 2.48 | -0.57 |
| Aug | 1.72 | 1.60 | 0.12 |
| Sep | 1.52 | 1.65 | -0.13 |
| Oct | 1.25 | 1.37 | -0.12 |
| Nov | 0.82 | 0.90 | -0.08 |
| Dec | 0.50 | 0.63 | -0.13 |
17.34 | 19.22 | -1.88 |