| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.12 | 1.18 | -0.06 |
| Feb | 1.40 | 1.43 | -0.03 |
| Mar | 2.19 | 2.22 | -0.03 |
| Apr | 3.69 | 3.68 | 0.01 |
| May | 4.67 | 4.75 | -0.08 |
| Jun | 5.24 | 5.18 | 0.06 |
| Jul | 4.16 | 4.17 | -0.01 |
| Aug | 4.24 | 4.16 | 0.08 |
| Sep | 3.63 | 3.46 | 0.17 |
| Oct | 2.93 | 2.86 | 0.07 |
| Nov | 2.13 | 2.14 | -0.01 |
| Dec | 1.56 | 1.64 | -0.08 |
36.96 | 36.87 | 0.09 |