| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.15 | 4.42 | -0.27 |
| Feb | 2.62 | 2.95 | -0.33 |
| Mar | 2.65 | 2.81 | -0.16 |
| Apr | 1.64 | 1.65 | -0.01 |
| May | 1.12 | 1.27 | -0.15 |
| Jun | 0.87 | 1.00 | -0.13 |
| Jul | 0.51 | 0.52 | -0.01 |
| Aug | 0.68 | 0.76 | -0.08 |
| Sep | 1.22 | 1.31 | -0.09 |
| Oct | 3.13 | 2.96 | 0.17 |
| Nov | 4.61 | 5.19 | -0.58 |
| Dec | 4.43 | 4.79 | -0.36 |
27.63 | 29.63 | -2.00 |