| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.17 | 2.57 | -0.40 |
| Feb | 1.77 | 2.03 | -0.26 |
| Mar | 2.03 | 2.35 | -0.32 |
| Apr | 3.28 | 3.52 | -0.24 |
| May | 4.18 | 4.03 | 0.15 |
| Jun | 3.88 | 3.73 | 0.15 |
| Jul | 3.60 | 3.51 | 0.09 |
| Aug | 3.68 | 3.67 | 0.01 |
| Sep | 3.22 | 3.13 | 0.09 |
| Oct | 3.66 | 3.65 | 0.01 |
| Nov | 2.57 | 2.83 | -0.26 |
| Dec | 2.08 | 2.38 | -0.30 |
36.12 | 37.40 | -1.28 |