| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.44 | 4.13 | 0.31 |
| Feb | 4.93 | 5.04 | -0.11 |
| Mar | 5.63 | 5.72 | -0.09 |
| Apr | 5.36 | 5.47 | -0.11 |
| May | 5.20 | 5.57 | -0.37 |
| Jun | 4.61 | 4.63 | -0.02 |
| Jul | 4.38 | 4.75 | -0.37 |
| Aug | 3.73 | 3.36 | 0.37 |
| Sep | 3.91 | 4.00 | -0.09 |
| Oct | 3.69 | 3.88 | -0.19 |
| Nov | 4.31 | 4.15 | 0.16 |
| Dec | 5.27 | 5.44 | -0.17 |
55.46 | 56.14 | -0.68 |