| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.92 | 2.88 | 0.04 |
| Feb | 2.45 | 2.62 | -0.17 |
| Mar | 3.30 | 3.71 | -0.41 |
| Apr | 3.37 | 3.50 | -0.13 |
| May | 4.26 | 4.34 | -0.08 |
| Jun | 4.28 | 4.45 | -0.17 |
| Jul | 3.95 | 4.12 | -0.17 |
| Aug | 3.69 | 3.67 | 0.02 |
| Sep | 4.38 | 4.44 | -0.06 |
| Oct | 3.62 | 3.83 | -0.21 |
| Nov | 3.06 | 3.23 | -0.17 |
| Dec | 3.26 | 3.52 | -0.26 |
42.54 | 44.31 | -1.77 |