| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.23 | 2.20 | 0.03 |
| Feb | 1.89 | 1.93 | -0.04 |
| Mar | 2.66 | 2.67 | -0.01 |
| Apr | 3.90 | 3.77 | 0.13 |
| May | 4.40 | 4.43 | -0.03 |
| Jun | 4.51 | 4.44 | 0.07 |
| Jul | 4.21 | 4.00 | 0.21 |
| Aug | 3.53 | 3.36 | 0.17 |
| Sep | 3.16 | 3.12 | 0.04 |
| Oct | 3.23 | 3.24 | -0.01 |
| Nov | 3.00 | 2.92 | 0.08 |
| Dec | 2.29 | 2.30 | -0.01 |
39.01 | 38.38 | 0.63 |