| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.44 | 0.47 | -0.03 |
| Feb | 0.44 | 0.41 | 0.03 |
| Mar | 0.67 | 0.70 | -0.03 |
| Apr | 1.19 | 1.15 | 0.04 |
| May | 2.55 | 2.71 | -0.16 |
| Jun | 3.45 | 3.66 | -0.21 |
| Jul | 2.58 | 2.78 | -0.20 |
| Aug | 1.98 | 2.09 | -0.11 |
| Sep | 1.58 | 1.68 | -0.10 |
| Oct | 1.24 | 1.30 | -0.06 |
| Nov | 0.63 | 0.64 | -0.01 |
| Dec | 0.56 | 0.53 | 0.03 |
17.31 | 18.12 | -0.81 |