| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.46 | 3.55 | -0.09 |
| Feb | 2.73 | 3.00 | -0.27 |
| Mar | 3.79 | 4.01 | -0.22 |
| Apr | 3.90 | 3.92 | -0.02 |
| May | 4.11 | 4.15 | -0.04 |
| Jun | 4.48 | 4.62 | -0.14 |
| Jul | 5.07 | 5.19 | -0.12 |
| Aug | 4.73 | 4.71 | 0.02 |
| Sep | 4.63 | 4.81 | -0.18 |
| Oct | 4.42 | 4.63 | -0.21 |
| Nov | 3.30 | 3.43 | -0.13 |
| Dec | 4.12 | 4.31 | -0.19 |
48.74 | 50.33 | -1.59 |