| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 5.18 | 5.32 | -0.14 |
| Feb | 5.51 | 5.67 | -0.16 |
| Mar | 5.40 | 5.59 | -0.19 |
| Apr | 4.73 | 4.83 | -0.10 |
| May | 4.31 | 4.48 | -0.17 |
| Jun | 4.58 | 4.78 | -0.20 |
| Jul | 4.62 | 4.67 | -0.05 |
| Aug | 3.93 | 4.18 | -0.25 |
| Sep | 3.44 | 3.52 | -0.08 |
| Oct | 3.26 | 3.33 | -0.07 |
| Nov | 4.55 | 4.59 | -0.04 |
| Dec | 5.06 | 5.14 | -0.08 |
54.57 | 56.10 | -1.53 |