| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.20 | 1.26 | -0.06 |
| Feb | 1.54 | 1.67 | -0.13 |
| Mar | 2.43 | 2.51 | -0.08 |
| Apr | 4.06 | 4.15 | -0.09 |
| May | 5.50 | 5.56 | -0.06 |
| Jun | 5.11 | 5.33 | -0.22 |
| Jul | 4.65 | 4.58 | 0.07 |
| Aug | 4.40 | 4.35 | 0.05 |
| Sep | 3.92 | 4.32 | -0.40 |
| Oct | 3.26 | 3.42 | -0.16 |
| Nov | 2.18 | 2.24 | -0.06 |
| Dec | 1.65 | 1.75 | -0.10 |
39.90 | 41.14 | -1.24 |