| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.18 | 2.22 | -0.04 |
| Feb | 1.86 | 2.03 | -0.17 |
| Mar | 2.62 | 2.67 | -0.05 |
| Apr | 3.92 | 3.86 | 0.06 |
| May | 4.42 | 4.44 | -0.02 |
| Jun | 4.40 | 4.52 | -0.12 |
| Jul | 4.21 | 4.08 | 0.13 |
| Aug | 3.63 | 3.55 | 0.08 |
| Sep | 3.06 | 3.24 | -0.18 |
| Oct | 3.18 | 3.18 | 0.00 |
| Nov | 2.97 | 2.95 | 0.02 |
| Dec | 2.18 | 2.29 | -0.11 |
38.63 | 39.03 | -0.40 |