| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.39 | 1.54 | -0.15 |
| Feb | 1.08 | 1.15 | -0.07 |
| Mar | 1.67 | 1.77 | -0.10 |
| Apr | 2.75 | 2.90 | -0.15 |
| May | 3.24 | 3.32 | -0.08 |
| Jun | 3.59 | 3.58 | 0.01 |
| Jul | 3.62 | 3.45 | 0.17 |
| Aug | 3.19 | 3.11 | 0.08 |
| Sep | 3.40 | 3.29 | 0.11 |
| Oct | 3.22 | 3.26 | -0.04 |
| Nov | 2.13 | 2.16 | -0.03 |
| Dec | 1.64 | 1.78 | -0.14 |
30.92 | 31.31 | -0.39 |