| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.81 | 0.90 | -0.09 |
| Feb | 0.93 | 0.94 | -0.01 |
| Mar | 1.64 | 1.77 | -0.13 |
| Apr | 3.19 | 3.06 | 0.13 |
| May | 4.28 | 4.18 | 0.10 |
| Jun | 4.88 | 5.39 | -0.51 |
| Jul | 4.23 | 4.39 | -0.16 |
| Aug | 4.13 | 4.21 | -0.08 |
| Sep | 3.23 | 3.44 | -0.21 |
| Oct | 2.40 | 2.55 | -0.15 |
| Nov | 1.52 | 1.54 | -0.02 |
| Dec | 1.13 | 1.14 | -0.01 |
32.37 | 33.51 | -1.14 |