| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.99 | 4.15 | -0.16 |
| Feb | 4.46 | 4.47 | -0.01 |
| Mar | 4.87 | 4.93 | -0.06 |
| Apr | 4.72 | 4.88 | -0.16 |
| May | 4.86 | 5.05 | -0.19 |
| Jun | 4.12 | 4.20 | -0.08 |
| Jul | 3.37 | 3.51 | -0.14 |
| Aug | 3.14 | 3.04 | 0.10 |
| Sep | 3.79 | 3.79 | 0.00 |
| Oct | 4.52 | 4.63 | -0.11 |
| Nov | 4.11 | 4.17 | -0.06 |
| Dec | 5.00 | 5.04 | -0.04 |
50.95 | 51.86 | -0.91 |