| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.19 | 3.33 | -0.14 |
| Feb | 2.82 | 2.95 | -0.13 |
| Mar | 3.77 | 3.94 | -0.17 |
| Apr | 4.41 | 4.57 | -0.16 |
| May | 4.82 | 4.94 | -0.12 |
| Jun | 4.63 | 4.56 | 0.07 |
| Jul | 4.13 | 4.23 | -0.10 |
| Aug | 3.42 | 3.37 | 0.05 |
| Sep | 3.12 | 3.15 | -0.03 |
| Oct | 3.15 | 3.18 | -0.03 |
| Nov | 3.01 | 3.16 | -0.15 |
| Dec | 3.39 | 3.54 | -0.15 |
43.86 | 44.92 | -1.06 |