| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 5.15 | 4.97 | 0.18 |
| Feb | 5.11 | 5.33 | -0.22 |
| Mar | 5.40 | 5.43 | -0.03 |
| Apr | 4.49 | 4.46 | 0.03 |
| May | 4.01 | 4.03 | -0.02 |
| Jun | 4.62 | 4.54 | 0.08 |
| Jul | 4.86 | 4.76 | 0.10 |
| Aug | 4.14 | 4.50 | -0.36 |
| Sep | 3.68 | 3.47 | 0.21 |
| Oct | 3.17 | 3.15 | 0.02 |
| Nov | 4.18 | 4.01 | 0.17 |
| Dec | 5.40 | 5.28 | 0.12 |
54.21 | 53.93 | 0.28 |