| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 5.00 | 4.83 | 0.17 |
| Feb | 4.82 | 4.73 | 0.09 |
| Mar | 5.07 | 4.89 | 0.18 |
| Apr | 4.14 | 4.15 | -0.01 |
| May | 4.10 | 4.06 | 0.04 |
| Jun | 4.67 | 4.85 | -0.18 |
| Jul | 4.46 | 4.46 | 0.00 |
| Aug | 4.80 | 4.65 | 0.15 |
| Sep | 4.13 | 4.16 | -0.03 |
| Oct | 3.90 | 3.71 | 0.19 |
| Nov | 4.26 | 4.11 | 0.15 |
| Dec | 4.85 | 4.77 | 0.08 |
54.20 | 53.37 | 0.83 |