| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.29 | 1.42 | -0.13 |
| Feb | 1.31 | 1.38 | -0.07 |
| Mar | 2.16 | 2.14 | 0.02 |
| Apr | 3.92 | 4.06 | -0.14 |
| May | 4.36 | 4.43 | -0.07 |
| Jun | 5.22 | 5.49 | -0.27 |
| Jul | 4.39 | 4.62 | -0.23 |
| Aug | 4.31 | 4.50 | -0.19 |
| Sep | 3.64 | 3.54 | 0.10 |
| Oct | 2.89 | 2.86 | 0.03 |
| Nov | 2.10 | 2.08 | 0.02 |
| Dec | 1.62 | 1.74 | -0.12 |
37.21 | 38.26 | -1.05 |