| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.62 | 0.62 | 0.00 |
| Feb | 0.79 | 0.74 | 0.05 |
| Mar | 1.59 | 1.52 | 0.07 |
| Apr | 2.39 | 2.39 | 0.00 |
| May | 2.75 | 2.70 | 0.05 |
| Jun | 1.85 | 1.53 | 0.32 |
| Jul | 1.78 | 1.63 | 0.15 |
| Aug | 1.63 | 1.45 | 0.18 |
| Sep | 1.40 | 1.61 | -0.21 |
| Oct | 1.28 | 1.31 | -0.03 |
| Nov | 0.96 | 0.90 | 0.06 |
| Dec | 0.58 | 0.61 | -0.03 |
17.62 | 17.01 | 0.61 |