| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.46 | 1.46 | 0.00 |
| Feb | 1.67 | 1.77 | -0.10 |
| Mar | 2.76 | 2.69 | 0.07 |
| Apr | 3.66 | 3.77 | -0.11 |
| May | 5.48 | 5.48 | 0.00 |
| Jun | 4.44 | 4.47 | -0.03 |
| Jul | 3.18 | 3.19 | -0.01 |
| Aug | 3.07 | 3.11 | -0.04 |
| Sep | 3.71 | 3.92 | -0.21 |
| Oct | 3.44 | 3.41 | 0.03 |
| Nov | 2.17 | 2.16 | 0.01 |
| Dec | 2.16 | 2.15 | 0.01 |
37.20 | 37.58 | -0.38 |