| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.27 | 2.13 | 0.14 |
| Feb | 2.13 | 1.90 | 0.23 |
| Mar | 1.83 | 1.71 | 0.12 |
| Apr | 1.59 | 1.55 | 0.04 |
| May | 2.19 | 2.14 | 0.05 |
| Jun | 1.66 | 1.67 | -0.01 |
| Jul | 1.02 | 0.91 | 0.11 |
| Aug | 1.07 | 1.04 | 0.03 |
| Sep | 1.55 | 1.63 | -0.08 |
| Oct | 1.55 | 1.49 | 0.06 |
| Nov | 1.87 | 1.69 | 0.18 |
| Dec | 2.51 | 2.33 | 0.18 |
21.24 | 20.19 | 1.05 |