| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.68 | 1.99 | -0.31 |
| Feb | 1.63 | 1.70 | -0.07 |
| Mar | 1.19 | 1.53 | -0.34 |
| Apr | 1.12 | 1.14 | -0.02 |
| May | 1.18 | 1.20 | -0.02 |
| Jun | 0.59 | 0.67 | -0.08 |
| Jul | 2.25 | 1.93 | 0.32 |
| Aug | 2.33 | 2.30 | 0.03 |
| Sep | 2.15 | 2.20 | -0.05 |
| Oct | 1.69 | 1.86 | -0.17 |
| Nov | 1.48 | 1.45 | 0.03 |
| Dec | 1.56 | 1.67 | -0.11 |
18.85 | 19.64 | -0.79 |