| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.38 | 0.42 | -0.04 |
| Feb | 0.56 | 0.62 | -0.06 |
| Mar | 0.74 | 0.84 | -0.10 |
| Apr | 1.71 | 1.89 | -0.18 |
| May | 2.94 | 3.10 | -0.16 |
| Jun | 3.35 | 3.46 | -0.11 |
| Jul | 2.62 | 2.63 | -0.01 |
| Aug | 2.10 | 2.31 | -0.21 |
| Sep | 1.64 | 1.67 | -0.03 |
| Oct | 1.76 | 1.76 | 0.00 |
| Nov | 0.51 | 0.57 | -0.06 |
| Dec | 0.41 | 0.48 | -0.07 |
18.72 | 19.75 | -1.03 |