| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.95 | 5.19 | -0.24 |
| Feb | 5.57 | 5.67 | -0.10 |
| Mar | 5.21 | 5.17 | 0.04 |
| Apr | 5.73 | 5.91 | -0.18 |
| May | 4.43 | 4.45 | -0.02 |
| Jun | 4.18 | 4.68 | -0.50 |
| Jul | 4.57 | 4.59 | -0.02 |
| Aug | 3.70 | 4.01 | -0.31 |
| Sep | 3.67 | 3.64 | 0.03 |
| Oct | 3.54 | 3.68 | -0.14 |
| Nov | 4.24 | 4.33 | -0.09 |
| Dec | 5.52 | 5.55 | -0.03 |
55.31 | 56.87 | -1.56 |