| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.16 | 3.51 | -0.35 |
| Feb | 2.56 | 2.84 | -0.28 |
| Mar | 3.15 | 3.47 | -0.32 |
| Apr | 3.44 | 3.71 | -0.27 |
| May | 3.57 | 3.79 | -0.22 |
| Jun | 4.15 | 4.17 | -0.02 |
| Jul | 3.80 | 3.77 | 0.03 |
| Aug | 3.69 | 3.65 | 0.04 |
| Sep | 3.69 | 3.62 | 0.07 |
| Oct | 4.58 | 4.88 | -0.30 |
| Nov | 3.87 | 4.12 | -0.25 |
| Dec | 3.92 | 4.36 | -0.44 |
43.58 | 45.89 | -2.31 |