| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.83 | 0.93 | -0.10 |
| Feb | 0.81 | 0.86 | -0.05 |
| Mar | 1.61 | 1.65 | -0.04 |
| Apr | 2.90 | 3.00 | -0.10 |
| May | 4.14 | 4.24 | -0.10 |
| Jun | 4.96 | 5.03 | -0.07 |
| Jul | 4.14 | 4.27 | -0.13 |
| Aug | 4.47 | 4.51 | -0.04 |
| Sep | 3.32 | 3.35 | -0.03 |
| Oct | 2.74 | 2.87 | -0.13 |
| Nov | 1.65 | 1.69 | -0.04 |
| Dec | 1.15 | 1.26 | -0.11 |
32.72 | 33.66 | -0.94 |