| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.81 | 0.93 | -0.12 |
| Feb | 0.80 | 0.88 | -0.08 |
| Mar | 1.58 | 1.65 | -0.07 |
| Apr | 2.87 | 3.07 | -0.20 |
| May | 4.12 | 4.24 | -0.12 |
| Jun | 4.90 | 5.01 | -0.11 |
| Jul | 4.15 | 4.23 | -0.08 |
| Aug | 4.49 | 4.53 | -0.04 |
| Sep | 3.31 | 3.35 | -0.04 |
| Oct | 2.76 | 2.96 | -0.20 |
| Nov | 1.66 | 1.73 | -0.07 |
| Dec | 1.16 | 1.27 | -0.11 |
32.61 | 33.85 | -1.24 |