| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.69 | 0.78 | -0.09 |
| Feb | 0.75 | 0.87 | -0.12 |
| Mar | 1.46 | 1.46 | 0.00 |
| Apr | 2.86 | 2.84 | 0.02 |
| May | 4.09 | 4.20 | -0.11 |
| Jun | 4.70 | 4.57 | 0.13 |
| Jul | 3.88 | 3.92 | -0.04 |
| Aug | 4.14 | 4.22 | -0.08 |
| Sep | 3.42 | 3.21 | 0.21 |
| Oct | 2.54 | 2.51 | 0.03 |
| Nov | 1.45 | 1.49 | -0.04 |
| Dec | 1.06 | 1.14 | -0.08 |
31.04 | 31.21 | -0.17 |