| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.82 | 0.87 | -0.05 |
| Feb | 0.86 | 0.86 | 0.00 |
| Mar | 1.68 | 1.67 | 0.01 |
| Apr | 2.92 | 2.94 | -0.02 |
| May | 4.14 | 4.31 | -0.17 |
| Jun | 4.94 | 4.99 | -0.05 |
| Jul | 4.30 | 4.16 | 0.14 |
| Aug | 4.51 | 4.62 | -0.11 |
| Sep | 3.26 | 3.43 | -0.17 |
| Oct | 2.63 | 2.61 | 0.02 |
| Nov | 1.57 | 1.61 | -0.04 |
| Dec | 1.15 | 1.20 | -0.05 |
32.78 | 33.27 | -0.49 |