| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 5.02 | 5.05 | -0.03 |
| Feb | 4.39 | 4.61 | -0.22 |
| Mar | 4.91 | 5.20 | -0.29 |
| Apr | 4.66 | 4.84 | -0.18 |
| May | 4.39 | 4.50 | -0.11 |
| Jun | 4.74 | 4.74 | 0.00 |
| Jul | 3.73 | 3.54 | 0.19 |
| Aug | 3.83 | 3.77 | 0.06 |
| Sep | 3.64 | 3.62 | 0.02 |
| Oct | 4.67 | 4.91 | -0.24 |
| Nov | 4.59 | 4.58 | 0.01 |
| Dec | 5.30 | 5.59 | -0.29 |
53.87 | 54.95 | -1.08 |