| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.71 | 1.91 | -0.20 |
| Feb | 1.56 | 1.61 | -0.05 |
| Mar | 1.19 | 1.33 | -0.14 |
| Apr | 1.07 | 1.18 | -0.11 |
| May | 1.08 | 1.17 | -0.09 |
| Jun | 0.53 | 0.53 | 0.00 |
| Jul | 1.88 | 1.73 | 0.15 |
| Aug | 2.16 | 2.41 | -0.25 |
| Sep | 2.12 | 2.03 | 0.09 |
| Oct | 1.67 | 1.73 | -0.06 |
| Nov | 1.38 | 1.42 | -0.04 |
| Dec | 1.51 | 1.62 | -0.11 |
17.86 | 18.67 | -0.81 |