| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.80 | 3.03 | -0.23 |
| Feb | 2.46 | 2.57 | -0.11 |
| Mar | 2.85 | 3.04 | -0.19 |
| Apr | 3.28 | 3.66 | -0.38 |
| May | 3.67 | 3.94 | -0.27 |
| Jun | 4.62 | 4.37 | 0.25 |
| Jul | 4.52 | 4.80 | -0.28 |
| Aug | 4.18 | 4.06 | 0.12 |
| Sep | 3.50 | 3.64 | -0.14 |
| Oct | 4.22 | 4.49 | -0.27 |
| Nov | 3.20 | 3.46 | -0.26 |
| Dec | 3.35 | 3.71 | -0.36 |
42.65 | 44.77 | -2.12 |