| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.69 | 0.78 | -0.09 |
| Feb | 0.81 | 0.88 | -0.07 |
| Mar | 1.43 | 1.56 | -0.13 |
| Apr | 2.71 | 2.86 | -0.15 |
| May | 4.08 | 4.20 | -0.12 |
| Jun | 4.43 | 4.39 | 0.04 |
| Jul | 4.21 | 4.38 | -0.17 |
| Aug | 4.01 | 4.06 | -0.05 |
| Sep | 3.24 | 3.33 | -0.09 |
| Oct | 2.79 | 2.79 | 0.00 |
| Nov | 1.51 | 1.62 | -0.11 |
| Dec | 1.02 | 1.14 | -0.12 |
30.93 | 31.99 | -1.06 |