| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.56 | 0.62 | -0.06 |
| Feb | 0.60 | 0.69 | -0.09 |
| Mar | 1.16 | 1.34 | -0.18 |
| Apr | 2.10 | 2.18 | -0.08 |
| May | 2.39 | 2.60 | -0.21 |
| Jun | 2.03 | 2.12 | -0.09 |
| Jul | 2.81 | 2.93 | -0.12 |
| Aug | 2.38 | 2.56 | -0.18 |
| Sep | 1.33 | 1.51 | -0.18 |
| Oct | 0.99 | 1.10 | -0.11 |
| Nov | 0.67 | 0.77 | -0.10 |
| Dec | 0.60 | 0.73 | -0.13 |
17.62 | 19.15 | -1.53 |