| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.50 | 0.54 | -0.04 |
| Feb | 0.76 | 0.74 | 0.02 |
| Mar | 1.32 | 1.34 | -0.02 |
| Apr | 2.86 | 2.88 | -0.02 |
| May | 3.69 | 3.72 | -0.03 |
| Jun | 4.17 | 4.17 | 0.00 |
| Jul | 3.07 | 3.16 | -0.09 |
| Aug | 3.39 | 3.31 | 0.08 |
| Sep | 2.79 | 2.84 | -0.05 |
| Oct | 2.15 | 2.26 | -0.11 |
| Nov | 1.09 | 1.06 | 0.03 |
| Dec | 0.74 | 0.79 | -0.05 |
26.53 | 26.81 | -0.28 |