| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.61 | 0.59 | 0.02 |
| Feb | 0.69 | 0.63 | 0.06 |
| Mar | 1.25 | 1.40 | -0.15 |
| Apr | 2.22 | 2.18 | 0.04 |
| May | 2.56 | 2.51 | 0.05 |
| Jun | 2.04 | 2.26 | -0.22 |
| Jul | 2.92 | 2.94 | -0.02 |
| Aug | 2.44 | 2.55 | -0.11 |
| Sep | 1.33 | 1.48 | -0.15 |
| Oct | 0.96 | 1.13 | -0.17 |
| Nov | 0.67 | 0.74 | -0.07 |
| Dec | 0.60 | 0.68 | -0.08 |
18.29 | 19.09 | -0.80 |