| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.60 | 4.56 | 0.04 |
| Feb | 3.78 | 3.77 | 0.01 |
| Mar | 3.78 | 3.78 | 0.00 |
| Apr | 3.87 | 3.98 | -0.11 |
| May | 4.64 | 4.80 | -0.16 |
| Jun | 5.00 | 5.02 | -0.02 |
| Jul | 3.74 | 3.44 | 0.30 |
| Aug | 4.56 | 4.49 | 0.07 |
| Sep | 4.71 | 4.29 | 0.42 |
| Oct | 5.32 | 4.87 | 0.45 |
| Nov | 4.64 | 4.61 | 0.03 |
| Dec | 4.93 | 4.71 | 0.22 |
53.57 | 52.32 | 1.25 |