| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.76 | 0.96 | -0.20 |
| Feb | 0.79 | 0.94 | -0.15 |
| Mar | 1.61 | 1.73 | -0.12 |
| Apr | 2.90 | 3.06 | -0.16 |
| May | 4.13 | 4.27 | -0.14 |
| Jun | 4.65 | 4.86 | -0.21 |
| Jul | 4.15 | 4.31 | -0.16 |
| Aug | 4.51 | 4.68 | -0.17 |
| Sep | 3.25 | 3.28 | -0.03 |
| Oct | 2.63 | 2.75 | -0.12 |
| Nov | 1.56 | 1.69 | -0.13 |
| Dec | 1.07 | 1.29 | -0.22 |
32.01 | 33.82 | -1.81 |