| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.21 | 3.40 | -0.19 |
| Feb | 2.80 | 2.86 | -0.06 |
| Mar | 4.22 | 4.33 | -0.11 |
| Apr | 3.62 | 3.61 | 0.01 |
| May | 3.51 | 3.66 | -0.15 |
| Jun | 4.33 | 4.47 | -0.14 |
| Jul | 4.41 | 4.53 | -0.12 |
| Aug | 4.28 | 4.36 | -0.08 |
| Sep | 4.27 | 4.38 | -0.11 |
| Oct | 3.68 | 4.04 | -0.36 |
| Nov | 3.15 | 3.19 | -0.04 |
| Dec | 3.92 | 4.25 | -0.33 |
45.40 | 47.08 | -1.68 |