| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.33 | 3.50 | -0.17 |
| Feb | 2.63 | 2.80 | -0.17 |
| Mar | 3.60 | 3.63 | -0.03 |
| Apr | 4.84 | 5.02 | -0.18 |
| May | 4.97 | 5.18 | -0.21 |
| Jun | 5.00 | 5.32 | -0.32 |
| Jul | 4.47 | 4.62 | -0.15 |
| Aug | 3.34 | 3.28 | 0.06 |
| Sep | 3.42 | 3.64 | -0.22 |
| Oct | 3.56 | 3.68 | -0.12 |
| Nov | 3.78 | 3.92 | -0.14 |
| Dec | 3.24 | 3.45 | -0.21 |
46.18 | 48.04 | -1.86 |