| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.20 | 1.24 | -0.04 |
| Feb | 1.56 | 1.63 | -0.07 |
| Mar | 2.41 | 2.56 | -0.15 |
| Apr | 3.92 | 4.05 | -0.13 |
| May | 5.07 | 5.49 | -0.42 |
| Jun | 4.98 | 5.30 | -0.32 |
| Jul | 4.51 | 4.77 | -0.26 |
| Aug | 4.16 | 4.34 | -0.18 |
| Sep | 4.18 | 4.33 | -0.15 |
| Oct | 3.22 | 3.37 | -0.15 |
| Nov | 2.23 | 2.19 | 0.04 |
| Dec | 1.76 | 1.71 | 0.05 |
39.20 | 40.98 | -1.78 |