| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.70 | 2.92 | -0.22 |
| Feb | 2.23 | 2.52 | -0.29 |
| Mar | 2.97 | 3.18 | -0.21 |
| Apr | 4.44 | 4.59 | -0.15 |
| May | 4.49 | 4.67 | -0.18 |
| Jun | 5.01 | 5.02 | -0.01 |
| Jul | 4.15 | 4.31 | -0.16 |
| Aug | 3.20 | 3.32 | -0.12 |
| Sep | 3.00 | 3.06 | -0.06 |
| Oct | 3.44 | 3.58 | -0.14 |
| Nov | 3.35 | 3.54 | -0.19 |
| Dec | 2.78 | 2.89 | -0.11 |
41.76 | 43.60 | -1.84 |