| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.89 | 0.87 | 0.02 |
| Feb | 0.81 | 0.75 | 0.06 |
| Mar | 1.00 | 1.01 | -0.01 |
| Apr | 1.86 | 1.93 | -0.07 |
| May | 2.94 | 2.97 | -0.03 |
| Jun | 4.00 | 3.92 | 0.08 |
| Jul | 4.02 | 4.11 | -0.09 |
| Aug | 3.15 | 3.13 | 0.02 |
| Sep | 3.43 | 3.51 | -0.08 |
| Oct | 2.62 | 2.70 | -0.08 |
| Nov | 1.61 | 1.42 | 0.19 |
| Dec | 1.15 | 1.06 | 0.09 |
27.48 | 27.38 | 0.10 |