| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.21 | 1.35 | -0.14 |
| Feb | 1.49 | 1.62 | -0.13 |
| Mar | 2.59 | 2.75 | -0.16 |
| Apr | 4.30 | 4.36 | -0.06 |
| May | 5.92 | 6.10 | -0.18 |
| Jun | 5.44 | 5.53 | -0.09 |
| Jul | 4.37 | 4.39 | -0.02 |
| Aug | 3.76 | 3.91 | -0.15 |
| Sep | 4.21 | 4.15 | 0.06 |
| Oct | 3.44 | 3.64 | -0.20 |
| Nov | 2.32 | 2.36 | -0.04 |
| Dec | 1.78 | 1.86 | -0.08 |
40.83 | 42.02 | -1.19 |