| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.81 | 2.94 | -0.13 |
| Feb | 2.34 | 2.47 | -0.13 |
| Mar | 3.18 | 3.34 | -0.16 |
| Apr | 4.21 | 4.38 | -0.17 |
| May | 4.51 | 4.67 | -0.16 |
| Jun | 4.96 | 5.06 | -0.10 |
| Jul | 4.10 | 4.22 | -0.12 |
| Aug | 3.29 | 3.14 | 0.15 |
| Sep | 3.29 | 3.32 | -0.03 |
| Oct | 3.24 | 3.21 | 0.03 |
| Nov | 3.40 | 3.44 | -0.04 |
| Dec | 2.79 | 2.93 | -0.14 |
42.12 | 43.12 | -1.00 |