| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.03 | 1.12 | -0.09 |
| Feb | 1.44 | 1.53 | -0.09 |
| Mar | 2.04 | 2.19 | -0.15 |
| Apr | 3.83 | 3.89 | -0.06 |
| May | 5.13 | 5.21 | -0.08 |
| Jun | 5.04 | 5.19 | -0.15 |
| Jul | 4.24 | 4.39 | -0.15 |
| Aug | 4.19 | 4.19 | 0.00 |
| Sep | 3.68 | 3.67 | 0.01 |
| Oct | 2.93 | 2.86 | 0.07 |
| Nov | 2.02 | 2.10 | -0.08 |
| Dec | 1.46 | 1.54 | -0.08 |
37.03 | 37.88 | -0.85 |