| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.85 | 4.91 | -0.06 |
| Feb | 4.62 | 4.96 | -0.34 |
| Mar | 4.86 | 5.45 | -0.59 |
| Apr | 4.17 | 4.51 | -0.34 |
| May | 3.26 | 3.36 | -0.10 |
| Jun | 5.34 | 5.30 | 0.04 |
| Jul | 6.01 | 6.10 | -0.09 |
| Aug | 5.73 | 5.59 | 0.14 |
| Sep | 5.22 | 4.63 | 0.59 |
| Oct | 2.83 | 3.42 | -0.59 |
| Nov | 3.54 | 3.86 | -0.32 |
| Dec | 4.77 | 4.76 | 0.01 |
55.20 | 56.85 | -1.65 |