| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.54 | 2.73 | -0.19 |
| Feb | 2.18 | 2.32 | -0.14 |
| Mar | 3.44 | 3.56 | -0.12 |
| Apr | 4.65 | 4.74 | -0.09 |
| May | 4.96 | 5.09 | -0.13 |
| Jun | 4.45 | 4.51 | -0.06 |
| Jul | 3.76 | 4.01 | -0.25 |
| Aug | 3.54 | 3.39 | 0.15 |
| Sep | 3.36 | 3.42 | -0.06 |
| Oct | 3.11 | 3.22 | -0.11 |
| Nov | 3.38 | 3.53 | -0.15 |
| Dec | 2.64 | 2.72 | -0.08 |
42.01 | 43.24 | -1.23 |