| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.97 | 1.21 | -0.24 |
| Feb | 0.92 | 1.04 | -0.12 |
| Mar | 1.42 | 1.48 | -0.06 |
| Apr | 2.46 | 2.61 | -0.15 |
| May | 3.19 | 3.40 | -0.21 |
| Jun | 4.35 | 4.40 | -0.05 |
| Jul | 3.99 | 3.90 | 0.09 |
| Aug | 3.56 | 3.66 | -0.10 |
| Sep | 3.26 | 3.46 | -0.20 |
| Oct | 2.96 | 3.10 | -0.14 |
| Nov | 1.78 | 2.06 | -0.28 |
| Dec | 1.33 | 1.54 | -0.21 |
30.19 | 31.86 | -1.67 |