| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.01 | 1.09 | -0.08 |
| Feb | 0.97 | 1.04 | -0.07 |
| Mar | 1.44 | 1.64 | -0.20 |
| Apr | 2.59 | 2.86 | -0.27 |
| May | 3.33 | 3.45 | -0.12 |
| Jun | 4.00 | 4.26 | -0.26 |
| Jul | 4.10 | 4.19 | -0.09 |
| Aug | 3.81 | 3.96 | -0.15 |
| Sep | 3.21 | 3.38 | -0.17 |
| Oct | 3.08 | 3.18 | -0.10 |
| Nov | 1.82 | 2.02 | -0.20 |
| Dec | 1.43 | 1.59 | -0.16 |
30.79 | 32.66 | -1.87 |