| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.93 | 3.91 | 0.02 |
| Feb | 4.24 | 4.31 | -0.07 |
| Mar | 4.83 | 4.81 | 0.02 |
| Apr | 4.80 | 4.81 | -0.01 |
| May | 5.17 | 5.37 | -0.20 |
| Jun | 4.77 | 4.88 | -0.11 |
| Jul | 4.81 | 4.88 | -0.07 |
| Aug | 3.69 | 3.66 | 0.03 |
| Sep | 3.77 | 3.87 | -0.10 |
| Oct | 3.56 | 3.64 | -0.08 |
| Nov | 3.70 | 3.70 | 0.00 |
| Dec | 4.76 | 4.80 | -0.04 |
52.03 | 52.64 | -0.61 |