| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.80 | 0.97 | -0.17 |
| Feb | 0.80 | 0.99 | -0.19 |
| Mar | 1.63 | 1.79 | -0.16 |
| Apr | 2.92 | 3.06 | -0.14 |
| May | 4.12 | 4.32 | -0.20 |
| Jun | 4.73 | 4.94 | -0.21 |
| Jul | 4.18 | 4.41 | -0.23 |
| Aug | 4.57 | 4.51 | 0.06 |
| Sep | 3.32 | 3.33 | -0.01 |
| Oct | 2.66 | 2.77 | -0.11 |
| Nov | 1.55 | 1.71 | -0.16 |
| Dec | 1.14 | 1.34 | -0.20 |
32.42 | 34.14 | -1.72 |