| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.32 | 4.41 | -0.09 |
| Feb | 3.51 | 3.72 | -0.21 |
| Mar | 4.26 | 4.45 | -0.19 |
| Apr | 4.23 | 4.17 | 0.06 |
| May | 3.93 | 4.08 | -0.15 |
| Jun | 4.06 | 4.21 | -0.15 |
| Jul | 3.53 | 3.31 | 0.22 |
| Aug | 3.30 | 3.27 | 0.03 |
| Sep | 4.00 | 4.04 | -0.04 |
| Oct | 5.39 | 5.49 | -0.10 |
| Nov | 4.91 | 5.07 | -0.16 |
| Dec | 5.16 | 5.52 | -0.36 |
50.60 | 51.74 | -1.14 |