| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.71 | 0.90 | -0.19 |
| Feb | 0.76 | 0.88 | -0.12 |
| Mar | 1.52 | 1.63 | -0.11 |
| Apr | 2.84 | 3.02 | -0.18 |
| May | 4.14 | 4.34 | -0.20 |
| Jun | 4.40 | 4.58 | -0.18 |
| Jul | 4.17 | 4.17 | 0.00 |
| Aug | 4.19 | 4.21 | -0.02 |
| Sep | 3.24 | 3.27 | -0.03 |
| Oct | 2.78 | 2.69 | 0.09 |
| Nov | 1.54 | 1.60 | -0.06 |
| Dec | 0.99 | 1.26 | -0.27 |
31.28 | 32.55 | -1.27 |