| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.10 | 2.14 | -0.04 |
| Feb | 1.95 | 1.97 | -0.02 |
| Mar | 2.63 | 2.69 | -0.06 |
| Apr | 4.04 | 4.01 | 0.03 |
| May | 4.51 | 4.54 | -0.03 |
| Jun | 4.27 | 4.51 | -0.24 |
| Jul | 3.76 | 3.81 | -0.05 |
| Aug | 3.45 | 3.24 | 0.21 |
| Sep | 3.00 | 3.10 | -0.10 |
| Oct | 3.20 | 3.18 | 0.02 |
| Nov | 2.90 | 2.92 | -0.02 |
| Dec | 2.05 | 2.17 | -0.12 |
37.86 | 38.28 | -0.42 |