| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.15 | 1.11 | 0.04 |
| Feb | 1.57 | 1.60 | -0.03 |
| Mar | 2.51 | 2.48 | 0.03 |
| Apr | 3.75 | 3.80 | -0.05 |
| May | 5.40 | 5.48 | -0.08 |
| Jun | 5.14 | 5.20 | -0.06 |
| Jul | 4.63 | 4.46 | 0.17 |
| Aug | 4.19 | 4.28 | -0.09 |
| Sep | 4.08 | 4.10 | -0.02 |
| Oct | 3.13 | 3.17 | -0.04 |
| Nov | 2.22 | 2.07 | 0.15 |
| Dec | 1.68 | 1.64 | 0.04 |
39.45 | 39.39 | 0.06 |