| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.46 | 1.50 | -0.04 |
| Feb | 1.54 | 1.57 | -0.03 |
| Mar | 2.16 | 2.11 | 0.05 |
| Apr | 3.73 | 3.80 | -0.07 |
| May | 4.14 | 4.28 | -0.14 |
| Jun | 5.56 | 5.43 | 0.13 |
| Jul | 4.39 | 4.20 | 0.19 |
| Aug | 4.11 | 4.20 | -0.09 |
| Sep | 3.59 | 3.62 | -0.03 |
| Oct | 2.91 | 2.91 | 0.00 |
| Nov | 2.32 | 2.28 | 0.04 |
| Dec | 1.69 | 1.77 | -0.08 |
37.60 | 37.67 | -0.07 |