| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.74 | 0.97 | -0.23 |
| Feb | 0.78 | 0.89 | -0.11 |
| Mar | 1.60 | 1.70 | -0.10 |
| Apr | 2.91 | 3.09 | -0.18 |
| May | 4.16 | 4.17 | -0.01 |
| Jun | 4.58 | 4.62 | -0.04 |
| Jul | 4.17 | 4.34 | -0.17 |
| Aug | 4.48 | 4.35 | 0.13 |
| Sep | 3.31 | 3.28 | 0.03 |
| Oct | 2.69 | 2.77 | -0.08 |
| Nov | 1.56 | 1.70 | -0.14 |
| Dec | 1.05 | 1.28 | -0.23 |
32.03 | 33.16 | -1.13 |