| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.08 | 3.23 | -0.15 |
| Feb | 2.55 | 2.64 | -0.09 |
| Mar | 3.52 | 3.76 | -0.24 |
| Apr | 4.39 | 4.53 | -0.14 |
| May | 4.56 | 4.69 | -0.13 |
| Jun | 4.50 | 4.48 | 0.02 |
| Jul | 3.87 | 3.86 | 0.01 |
| Aug | 3.23 | 3.04 | 0.19 |
| Sep | 3.03 | 3.03 | 0.00 |
| Oct | 3.08 | 3.08 | 0.00 |
| Nov | 2.94 | 3.02 | -0.08 |
| Dec | 3.21 | 3.37 | -0.16 |
41.96 | 42.73 | -0.77 |