| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.62 | 1.62 | 0.00 |
| Feb | 1.66 | 1.83 | -0.17 |
| Mar | 3.14 | 3.05 | 0.09 |
| Apr | 4.40 | 4.08 | 0.32 |
| May | 5.48 | 5.74 | -0.26 |
| Jun | 4.86 | 4.77 | 0.09 |
| Jul | 3.69 | 3.61 | 0.08 |
| Aug | 3.45 | 3.46 | -0.01 |
| Sep | 3.84 | 3.64 | 0.20 |
| Oct | 3.46 | 3.57 | -0.11 |
| Nov | 2.76 | 2.63 | 0.13 |
| Dec | 2.25 | 2.17 | 0.08 |
40.61 | 40.17 | 0.44 |