| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.61 | 0.64 | -0.03 |
| Feb | 0.49 | 0.42 | 0.07 |
| Mar | 1.18 | 1.08 | 0.10 |
| Apr | 1.23 | 1.07 | 0.16 |
| May | 2.33 | 2.29 | 0.04 |
| Jun | 2.86 | 2.93 | -0.07 |
| Jul | 2.52 | 2.28 | 0.24 |
| Aug | 2.77 | 2.83 | -0.06 |
| Sep | 1.77 | 1.81 | -0.04 |
| Oct | 1.91 | 2.04 | -0.13 |
| Nov | 0.70 | 0.71 | -0.01 |
| Dec | 0.72 | 0.63 | 0.09 |
19.09 | 18.73 | 0.36 |