| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.84 | 1.98 | -0.14 |
| Feb | 1.32 | 1.50 | -0.18 |
| Mar | 1.61 | 1.76 | -0.15 |
| Apr | 1.71 | 1.84 | -0.13 |
| May | 2.08 | 2.30 | -0.22 |
| Jun | 1.56 | 1.71 | -0.15 |
| Jul | 0.66 | 0.66 | 0.00 |
| Aug | 0.56 | 0.63 | -0.07 |
| Sep | 0.64 | 0.64 | 0.00 |
| Oct | 1.33 | 1.40 | -0.07 |
| Nov | 1.93 | 2.17 | -0.24 |
| Dec | 2.08 | 2.28 | -0.20 |
17.32 | 18.87 | -1.55 |