| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.73 | 0.84 | -0.11 |
| Feb | 0.76 | 0.87 | -0.11 |
| Mar | 1.47 | 1.52 | -0.05 |
| Apr | 2.84 | 2.86 | -0.02 |
| May | 4.02 | 4.21 | -0.19 |
| Jun | 4.89 | 4.69 | 0.20 |
| Jul | 3.89 | 3.92 | -0.03 |
| Aug | 4.13 | 4.39 | -0.26 |
| Sep | 3.31 | 3.16 | 0.15 |
| Oct | 2.43 | 2.42 | 0.01 |
| Nov | 1.47 | 1.50 | -0.03 |
| Dec | 1.06 | 1.16 | -0.10 |
31.00 | 31.54 | -0.54 |