| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.64 | 2.47 | 0.17 |
| Feb | 2.36 | 2.31 | 0.05 |
| Mar | 2.98 | 2.85 | 0.13 |
| Apr | 3.21 | 3.14 | 0.07 |
| May | 3.46 | 3.28 | 0.18 |
| Jun | 4.22 | 4.27 | -0.05 |
| Jul | 4.07 | 4.08 | -0.01 |
| Aug | 3.84 | 3.86 | -0.02 |
| Sep | 3.78 | 3.59 | 0.19 |
| Oct | 3.94 | 4.01 | -0.07 |
| Nov | 2.91 | 2.73 | 0.18 |
| Dec | 3.23 | 3.28 | -0.05 |
40.64 | 39.87 | 0.77 |