| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.21 | 3.47 | -0.26 |
| Feb | 2.74 | 2.94 | -0.20 |
| Mar | 4.25 | 4.39 | -0.14 |
| Apr | 3.48 | 3.52 | -0.04 |
| May | 3.28 | 3.41 | -0.13 |
| Jun | 4.23 | 4.21 | 0.02 |
| Jul | 4.63 | 4.61 | 0.02 |
| Aug | 4.69 | 4.73 | -0.04 |
| Sep | 3.92 | 3.95 | -0.03 |
| Oct | 3.90 | 4.00 | -0.10 |
| Nov | 3.19 | 3.22 | -0.03 |
| Dec | 4.10 | 4.36 | -0.26 |
45.62 | 46.81 | -1.19 |