| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.73 | 0.78 | -0.05 |
| Feb | 0.79 | 0.80 | -0.01 |
| Mar | 1.53 | 1.54 | -0.01 |
| Apr | 2.81 | 2.96 | -0.15 |
| May | 4.17 | 4.28 | -0.11 |
| Jun | 4.63 | 4.49 | 0.14 |
| Jul | 4.31 | 4.38 | -0.07 |
| Aug | 4.26 | 4.10 | 0.16 |
| Sep | 3.30 | 3.20 | 0.10 |
| Oct | 2.83 | 2.74 | 0.09 |
| Nov | 1.63 | 1.61 | 0.02 |
| Dec | 1.09 | 1.17 | -0.08 |
32.08 | 32.05 | 0.03 |