| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.69 | 4.73 | -0.04 |
| Feb | 4.01 | 4.06 | -0.05 |
| Mar | 4.78 | 4.90 | -0.12 |
| Apr | 4.55 | 4.66 | -0.11 |
| May | 4.51 | 4.77 | -0.26 |
| Jun | 4.45 | 4.75 | -0.30 |
| Jul | 4.77 | 5.01 | -0.24 |
| Aug | 4.60 | 5.20 | -0.60 |
| Sep | 4.76 | 4.72 | 0.04 |
| Oct | 4.15 | 4.15 | 0.00 |
| Nov | 4.20 | 4.32 | -0.12 |
| Dec | 4.95 | 5.24 | -0.29 |
54.42 | 56.51 | -2.09 |